Catalog:Taxon Authorities/C
- Caballero, A (Caball.) Arturo Caballero (1877–1950)
- Caballero Deloya, M (M.Caball.) Miguel Caballero Deloya (fl. 1969)
- Caballero y Caballero, E (E.Caball.) Eduardo Caballero y Caballero (1904–1974)
- Cabanis, J Jean Cabanis (1816–1906)
- Cabanne, GS Gustavo Sebastián Cabanne
- Cabello, MN (Cabello) Marta N. Cabello (1953– )
- Cabezas, F (Cabezas) Francisco Cabezas (fl. 2009)
- Cable, RM Raymond Millard Cable (1909–1995)
- Cabot, S Samuel Cabot (1815–1885)
- Cabral, D (Cabral) Daniel Cabral (1946–2008)
- Cabral, EL Elsa Leonor Cabral (1951– )
- Cabral, MC Maria Cristina Cabral
- Cabral Cordero, I (I.Cabral) Ismael Cabral Cordero (fl. 2007)
- Cabrera, A Ángel Cabrera (1879–1960)
- Cabrera, AL Ángel Lulio Cabrera (1908–1999)
- Cabrera, AN Antonio Nicolás Cabrera y Corro (1762–1827)
- Cabrera, LI (L.I.Cabrera) Lidia Irene Cabrera (1964– )
- Cabrera, NC Nora Clara Cabrera
- Cabrera Walsh, G Guillermo Cabrera Walsh
- Cáceres, EJ (Cáceres) Eduardo J. Cáceres (1943– )
- Cáceres, MEdaS (M.Cáceres) Marcela E. da S. Cáceres
- Caddick, LR (Caddick) Lizabeth R. Caddick
- Cadena, CD Carlos Daniel Cadena
- Cadenat, J Jean Cadenat (1908–1992)
- Cadet, T (Cadet) Thérésien Cadet (1937–1987)
- Cadevall, J (Cadevall) Joan Cadevall i Diars (1846–1921)
- Cadiou, J-M (Cadiou) Jean-Marie Cadiou
- Cádiz, A Antonio Cádiz
- Cadle, JE John E. Cadle
- Cadrobbi, M Mario Cadrobbi
- Cafaro, MJ (Cafaro) Matias J. Cafaro
- Cagle, FR Fred Ray Cagle (1915–1968)
- Cagniant, H Henri Cagniant
- Cai, CM Chun-mo Cai
- Cai, LB (L.B.Cai) Lian Bing Cai
- Cai, P Ping Cai
- Cai, RQ (R.Q. Cai) Rong-Quan Cai
- Cai, WZ (W.Z.Cai) Wan-Zhi Cai
- Cai, ZQ Zheng-Quan Cai
- Cai, T Tianlong Cai
- Cailliaud, F (Caill.) Frédéric Cailliaud (1787–1869)
- Cain, RF (Cain) Roy Franklin Cain (1906– )
- Cairns, SD Stephen D. Cairns
- Cajander, AK (Cajander) Aimo Kaarlo Cajander (1879–1943)
- Calabresi, A Enrica Calabresi (1891–1944)
- Calaby, JH John Henry Calaby (1922–1998)
- Calatayud, V (Calat.) Vicent Calatayud (1965– )
- Caldas, FJ (Caldas) Francisco José de Caldas (1771–1816)
- Calder, AA Andrew A. Calder
- Calder, DR Dale R. Calder (1941–2022)
- Calder, JA (Calder) James Alexander Calder (1915–1990)
- Calderón, CE (C.E.Calderón) Cléofe E. Calderón (1940?– )
- Calderón, G (Calderón) Graciela Calderón (1931– )
- Calderón, L Luciano Calderón
- Calderón, S (S.Calderón) Salvador Calderón (1884–1940)
- Calderón-F, D Diego Calderón-F
- Caldesi, L Ludovico Caldesi (1821–1884)
- Calduch, M (M.Calduch) Misericordia Calduch (1970– )
- Caldwell, JP Janalee Paige Caldwell (1942– )
- Caleca, V Virgilio Caleca
- Calestani, V (Calest.) Vittorio Calestani (1882–)
- Calkins, WW (Calk.) William Wirt Calkins (1842–1914)
- Callaghan, CJ (Callaghan) Curtis John Callaghan
- Callahan, FT (Callahan) Frank T. Callahan
- Callaini, G Giuliano Callaini
- Callier, AS (Callier) Alfons S. Callier (1866–1927)
- Callmander, MW (Callm.) Martin Callmander
- Calloni, S (Calloni) Silvio Calloni (1850–1931)
- Calman, WT William Thomas Calman (1871–1952)
- Calmette, A (Calmette) Albert Calmette (1863–1933)
- Cals, P Philippe Cals
- Calvelo, S (Calvelo) Susana Calvelo
- Calvert, PP (Calvert) Philip Powell Calvert (1871–1961)
- Calviello, BO (Calviello) Beatriz O. Calviello (1934– )
- Calvino, M (Calvino) Mario Calvino
- Calvo, E (E. Calvo) Esperanza Calvo
- Calvo, JO Jorge Orlando Calvo (1961–2023)
- Camacho, FJ (F.J.Camacho) Franciso J. Camacho
- Câmara, PEAS (P.E.A.S.Câmara) Paulo Eduardo Aguiar Saraiva Câmara
- Camargo, de AJA (A.J.A.de Camargo) Amabílio José Aires de Camargo
- Camargo, HF Hélio Ferraz de Almeida Camargo (1922–2006)
- Cambage, RH (Cambage) Richard Hind Cambage (1859–1928)
- Cambefort, Y Yves Cambefort
- Cambessèdes, J (Cambess.) Jacques Cambessèdes (1799–1863)
- Camelier, P Priscila Camelier
- Camerano, L Lorenzo Camerano (1856–1917)
- Cameron, KM (K.M.Cameron) Kenneth M. Cameron (fl. 2009)
- Cameron, M Malcolm Cameron
- Cameron, P Peter Cameron (1847–1912)
- Cameron, SL Stephen L. Cameron
- Camiade, D (Camiade) Didier Camiade
- Camino, M (Camino) Mayra Camino (1962– )
- Camp, CD Carlos D. Camp
- Camp, CL Charles Lewis Camp (1893–1975)
- Campacci, MA (Campacci) Marcos Antonio Campacci (1948– )
- Campbell, AJ Archibald James Campbell (1853–1929)
- Campbell, AS Arthur S. Campbell
- Campbell, B Berry Campbell
- Campbell, DH (Campb.) Douglas Houghton Campbell (1859–1953)
- Campbell, EO (E.O.Campb.) Ella Orr Campbell (1910–2003)
- Campbell, GJ (G.J.Campb.) Gael Jean Campbell (1973– )
- Campbell, HW Howard W. Campbell ( –1981)
- Campbell, JA Jonathan Atwood Campbell
- Campbell, JJN (J.J.N.Campb.) Julian J.N. Campbell (1953– )
- Campbell, JM John Milton Campbell
- Campbell, KSW K.S.W. Campbell
- Campderá, F (Campd.) Francisco Campderá y Camin (1793–1862)
- Camper, JD Jeffrey D. Camper
- Campestre-Mezquida, F (Campestre) Fabián Campestre-Mezquida (fl. 2013)
- Campos, LA Leandro Ambrósio Campos
- Campos Ríos, MG (G.Campos) María Goreti Campos Ríos (1957– )
- Campos Villanueva, Á (A.Campos) Álvaro Campos Villanueva (fl. 1994)
- Camus, AA (A.Camus) Aimée Antoinette Camus (1879–1965)
- Camus, EG (E.G.Camus) Edmond Gustav Camus (1852–1915)
- Can, L (Can) Levent Can (fl. 2012)
- Canales, R (Canales) R. Canales
- Canals, A (A.Canals) Antonio Canals
- Canals, G (Canals) Gustavo Canals
- Canby, WM (Canby) William Marriott Canby (1831–1904)
- Candan, M (Candan) Mehmet Candan
- Candargy, PC (P.Candargy) Paléologos C. Candargy (1870– )
- Candèze, E Ernest Candèze (1827–1898)
- Candiani, DF David F. Candiani
- Candoussau, F (Cand.) Françoise Candoussau (1934– )
- Candréa, A Adina Candréa
- Canedo, C Clarissa Coimbra Canedo
- Canepari, C Claudio Canepari
- Canestrini, G Giovanni Canestrini
- Canêz, LS (Canêz) Luciana da Silva Canêz
- Cannatella, DC David Charles Cannatella (1954– )
- Canne-Hilliker, JM (Canne-Hill.) Judith Marie Canne-Hilliker (1943– )
- Canning, EU Elizabeth U. Canning
- Canning, KL K. Laura Canning
- Cannon, CH (C.H.Cannon) Charles Harvey Cannon (1965–)
- Cannon, HG Herbert Graham Cannon (1897–1963)
- Cannon, PF (P.F.Cannon) Paul Francis Cannon (1956– )
- Cano, MJ María J. Cano
- Canseco-Márquez, L (Canseco-Márquez) Luis Canseco-Márquez
- Cantarella, T Teresa Cantarella
- Cantino, PD (P.D.Cantino) Philip Douglas Cantino (1948– )
- Cantley, N (Cantley) Nathaniel Cantley (??–1888)
- Cantlie, K Keith Cantlie
- Cantó, P (Cantó) Paloma Cantó (1956- )
- Cantonnet, F François Cantonnet (1921–1999)
- Cantor, TE (Cantor) Theodore Edward Cantor (1809–1854)
- Cantrall, IJ Irving J. Cantrall (??–1997)
- Cao, HZ (H.Z. Cao) Hua-Zhi Cao
- Cao, MZ Mei-Zhen Cao
- Cao, W Wencong Cao
- Cao, WX Wen-Xuan Cao
- Capanema, GS (Capan.) Guilherme Schüch Capanema (1824–1908)
- Caparoz, R Renato Caparroz
- Capdet, M (M. Capdet) Mariana Capdet
- Capeder, G Giuseppe Capeder
- Capelari, M Marina Capelari
- Capellari, L (Capell.) Lindolopho Capellari
- Capelle, KJ Kenneth J. Capelle (1923–2001)
- Capiomont, G Guillaume Capiomont
- Capitaine, L (Capit.) Louis Capitaine (1883–1923)
- Caporiacco, L Lodovico di Caporiacco (1884–1907)
- Capparella, AP Angelo P. Capparella
- Cappetta, H Henri Cappetta
- Capronnier, J-B Jean-Baptiste Capronnier
- Captain, A Ashok Captain
- Capula, M Massimo Capula
- Capuron, RPR (Capuron) René Paul Raymond Capuron (1921–1971)
- Capurro, RH (Capurro) Roberto Horacio Capurro (1910– )
- Capurro-S., LF Luis F. Capurro-S.
- Capuse, J Josif Capuse (1935–1999)
- Caputo, V Vincenzo Caputo
- Carabajal Márquez, E Emilio Carabajal Márquez
- Caraballo-Ortiz, MA Marcos A. Caraballo-Ortiz
- Carabia, JP (Carabia) José Pérez Carabia (1910–?)
- Caradja, A Aristides von Caradja (1861–1955)
- Caraion, FE Francisca E. Caraion
- Caramaschi, U Ulisses Caramaschi
- Carano, E (Carano) Enrico Carano (1877–1943)
- Carazo Roman, C (Carazo) Concepción Carazo Roman (fl. 1993)
- Carbonel, P Pierre Carbonel
- Carbonell, CS Carlos S. Carbonell (1917– )
- Carbonell, F Frédéric Carbonell
- Carbonnel, G Gilles Carbonnel
- Carcasson, RH Robert H. Carcasson
- Carcerelli, LC Luiz Claudio Carcerelli
- Cardé, RT (Cardé) Ring T. Cardé
- Cárdenas, M (Cárdenas) Martín Cárdenas (1899–1973)
- Cardiff, SW Steven W. Cardiff
- Cardona, MA (Cardona) Maria Àngels Cardona i Florit (1940–1991)
- Cardona N, F (F.Cardona) Felipe Cardona N (fl. 2004)
- Cardona, W (Cardona) William Cardona
- Cardoso, A (A.Cardoso) André Cardoso (fl. 2003)
- Cardoso, AJ Adão J. Cardoso
- Cardoso, DBOS (D.B.O.S.Cardoso) Domingos Benício Oliveira Silva Cardoso (fl. 2008)
- Cardoso, P Pedro Cardoso
- Cardoso da Silva, JM Jose Maria Cardoso da Silva
- Cardot, J (Cardot) Jules Cardot (1860–1934)
- Carestia, A (Carestia) Antonio Carestia (1825–1908)
- Carey GJ Geoff J. Carey
- Carey, J ('J.Carey) John Carey (1797–1880)
- Carey, W (Carey) William Carey (1761–1834)
- Carfi, S Salvatore Carfi
- Cargill, DC (Cargill) Dale Christine Cargill
- Carico, JE (Carico) James Edwin Carico
- Caridroit, M Martial Caridroit
- Carine, MA (Carine) Mark A. Carine (fl. 2000)
- Cariot, A (Cariot) Antoine Cariot (1820–1883)
- Carl, GC George Clifford Carl
- Carle, FL Frank Louis Carle
- Carleton, MD Michael Dean Carleton (1944– )
- Carlgren, OH Oscar Henrik Carlgren (1865–1954)
- Carling, MD Matthew D. Carling
- Carlón Ruiz, L (Carlon) Luis Carlón Ruiz (1977– )
- Carlson, BA Bruce A. Carlson
- Carlson, CH Clayton H. Carlson
- Carlson, MC (Carlson) Margery Claire Carlson (1892–1985)
- Carlson, RR Randall R. Carlson
- Carlström, AL Annette L. Carlström (1957– )
- Carlsward, BS (Carlsward) Barbara Sue Carlsward (1971– )
- Carlton, CE (Carlton) Christopher E. Carlton
- Carmer, M-B (M.-B. Carmer) Mary-Bert Carmer
- Carmichael, D (Carmich.) Dugald Carmichael (1772–1827)
- Carmignani, V (Carmign.) Vincenzo Carmignani (1779–1859)
- Carmona, JA José A. Carmona
- Carmona, MM Maria Manuela Carmona
- Carne, PB Phillip B. Carne
- Carneiro, JC Jeferson Costa Carneiro
- Carneiro, LS Lincoln Silva Carneiro
- Carnevale, G (G. Carnevale) Giorgio Carnevale
- Carnevali, G (Carnevali) Germán Carnevali (1955– )
- Caro, JA (Caro) José Alfredo Caro (1919–1985)
- Carolin, RC (Carolin) Roger Charles Carolin (1929– )
- Carpenter, CW (C.W.Carp.) Clarence Willard Carpenter (1888–1946)
- Carpenter, FM Frank Morton Carpenter (1902–1994)
- Carpenter, GDH G.D. Hale Carpenter (1882–1953)
- Carpenter, GH (Carpenter) George Herbert Carpenter (1865–1939)
- Carpenter, JH Jerry H. Carpenter
- Carpenter, JS James S. Carpenter
- Carpenter, K Kenneth Carpenter (1949– )
- Carpenter, KE Kent E. Carpenter
- Carpenter, PH Philip Herbert Carpenter (1852–1891)
- Carpenter, PP Philip Pearsall Carpenter (1819–1877)
- Carpenter, WB (W.B.Carp) William Benjamin Carpenter (1813–1885)
- Carpi, A (Carpi) André Carpi
- Carpintero, DL (Carpintero) Diego Leonardo Carpintero
- Carr, A Archie Carr (1909–1987)
- Carr, CE Cedric Errol Carr (1892–1936)
- Carr, DJ (D.J.Carr) Denis John Carr (1915–2008)
- Carr, GD (G.D.Carr) Gerald D. Carr (1945– )
- Carr, J Janice Carr
- Carr, RJ Ryan J. Carr
- Carr, RK Robert K. Carr
- Carr, SGM (S.G.M.Carr) Stella Grace Maisie Carr (1912–1988)
- Carralves, MF (Carralves) Matilde Gonçalves Carralves (1943– )
- Carranza, S Salvador Carranza
- Carranza Gonzalez, E (E.Carranza) Eleazar Carranza González (1963– )
- Carré, C Claude Carré
- Carré, D Daniele Carré
- Carreño, AL Ana Luisa Carreño
- Carrera, M Messias Cassaña Carrera (1907–1994)
- Carrick, J (Carrick) John Carrick (1914–1978)
- Carrière, EA (Carrière) Élie-Abel Carrière (1818–1896)
- Carriker, MA Melbourne Armstrong Carriker Jr. (1879–1965)
- Carrillo, AF (A.F.Carrillo) Antonio Félix Carrillo
- Carrillo, N Maria Nelly Carrillo Tarazona de Espinoza (1927–2017)
- Carrington, B (Carrington) Benjamin Carrington (1827–1893)
- Carrión Vilches, MA (M.A.Carrión) Miguel Angel Carrión Vilches
- Carrizo, GR Gustavo Rodolfo Carrizo
- Carroll, I (Carroll) Isaac Carroll (1828–1880)
- Carruthers, VC Vincent Craig Carruthers (1942–)
- Carruthers, W (Carruth.) William Carruthers (1830–1922)
- Carta, A (Carta) Angelino Carta (1982– )
- Carter, A (A.Carter) Adrian Carter
- Carter, DC Dilford Campbell Carter (1930– )
- Carter, DJ David J. Carter
- Carter, ES Elizabeth S. Carter
- Carter, HF Henry F. Carter
- Carter, HJ Henry John Carter (1813–1895)
- Carter, HJ Herbert James Carter
- Carter, S (S.Carter) Susan Carter Holmes (1933– )
- Carter, TD Thomas Donald Carter (1893–1972)
- Carter, TF Timothy F. Carter
- Cartier, O Oskar Cartier
- Cartwright, DI David I. Cartwright
- Cartwright, OL (O.L.Cartwright) Oscar Ling Cartwright (1900–1983)
- Caruana Gatto, A Alfredo Caruana Gatto (1868–1926)
- Caruel, T (Caruel) Théodore Caruel (1830–1898)
- Carus, CG Carl Gustav Carus (1789–1869)
- Caruzo, MBR Maria Beatriz Rossi Caruzo
- Carvacho, A Alberto Carvacho
- Carvalhaes, AMP André Moraes Pereira Carvalhaes
- Carvalho, A.A. (A.A.Carvalho) Aníbal A. de Carvalho (fl. 2000)
- Carvalho, AL Antenor Leitão de Carvalho (1910–1985)
- Carvalho, AMV de (A.M.Carvalho) André Maurício Vieira de Carvalho (1951–2002)
- Carvalho, GS Gervásio Silva Carvalho
- Carvalho, I Ismar de Souza Carvalho
- Carvalho, JCM José Cândido de Melo Carvalho (1914–1994)
- Carvalho e Silva, AMPT Ana Maria Paulino Telles de Carvalho e Silva
- Carvalho e Silva, SP Sergio Potsch de Carvalho e Silva
- Carver, M Mary Carver
- Cary, CR C. Reed Cary
- Casagrande, MM (Casagrande) Mirna M.Casagrande
- Casares-Porcel, M (Casares) Manuel Casares-Porcel
- Casaretto, G (Casar.) Giovanni Casaretto 1812–1879
- Casari, SA Sônia Aparecida Casari
- Casas Sicart, C (Casas) Creu Casas Sicart (1913–2007)
- Casatti, L Lilian Casatti
- Cascon, P Paulo Cascon
- Case, FW (Case) Frederick W. Case (1927–2011)
- Case, RB (R.B.Case) Roberta Burckhardt Case (?–1998 )
- Casey, T Thomas Casey (1857–1925)
- Cash, C (C.Cash) Catherine Cash
- Cash, EK (E.K. Cash) Edith Katherine Cash (1890–1992)
- Cashatt, ED Everett D. Cashatt
- Cashmore, AB (Cashmore) Alec Brooke Cashmore (1907–1988)
- Casier, J-G Jean-Georges Casier
- Caspary, R (Casp.) Johann Xaver Robert Caspary (1818–1887)
- Cassa, LA (Cassa) Liliana A. Cassa (1949– )
- Cassidy, AC Alan Charles Cassidy
- Cassin, J (Cassin) John Cassin (1813–1869)
- Cassini, AHG (Cass.) Alexandre Henri Gabriel de Cassini (1781–1832)
- Cassini, CS Carla Santana Cassini
- Cassino, SE (Cassino) Samuel E. Cassino
- Cassis, G Gerasimos Cassis
- Cassola, F Fabio Cassola (1938–2016)
- Castagne, JLM (Castagne) Jean Louis Martin Castagne (1785–1858)
- Castañeda Noa, I (I.Castañeda) Idelfonso Castañeda Noa (1959– )
- Castañeda Ruiz, RF (R.F.Castañeda) Rafael Felipe Castañeda Ruiz
- Castaño, G (Castaño) Guillermo Castaño Ramírez
- Castellani, A (Castell.) Aldo Castellani (1877–1971)
- Castellano, MA (Castellano) Michael A. Castellano
- Castellanos, A (A.Cast.) Alberto Castellanos (1896–1968)
- Castellini, G (Castellini) Giorgio Castellini
- Castello, L Leandro Castello
- Castello, M (M. Castello) Miris Castello
- Castelló, J José Castelló
- Castelnau, FL (Castelnau) François Louis Nompar de Caumont de Laporte comte de Castelnau (1802–1880)
- Caster, KE Kenneth Edward Caster (1908–1992)
- Castiglioni, JA (J.A.Castigl.) Julio A. Castiglioni (1920– )
- Castillo, J Juan Castillo
- Castillo, JA (J.A.Castillo) José Alberto Castillo (1951– )
- Castillón, L (Castillón Léon Castillón (fl. 1908–1928)
- Castle, H (Castle) Hempstead Castle (1894–1974)
- Castle, L (L.Castle) Lewis Castle (1854–1922)
- Castle, PHJ Peter H. J. Castle (1934–1999)
- Castoe, TA Todd Adam Castoe (1977– )
- Castracane, F Francesco Castracane degli Antelminelli (1817–1899)
- Castrejón, J (Castrejón) Javier Castrejón (fl. 1999)
- Castro, P Peter Castro
- Castro, RMC Ricardo Macedo Corrêa e Castro
- Castro, VP (V.P.Castro) Vitorino Paiva Castro (1942– )
- Castroviejo-Bolíbar, S (Castrov.) Santiago Castroviejo Bolíbar (1946–2009)
- Castroviejo-Fisher, S Santiago Castroviejo-Fisher
- Catalano, M (M.Catal.) Marcello Catalano
- Catania, A (Catania) Aldo Catania
- Catanzaro, R Rosario Catanzaro
- Catenazzi, A Alessandro Catenazzi
- Caterino, MS Michael S. Caterino
- Catharino, ELM (Cath.) Eduardo Luis Martins Catharino (1960– )
- Catling, PM (Catling) Paul Miles Catling (1947– )
- Caudell, AN Andrew Nelson Caudell (1872–1936)
- Caujapé-Castells, J (Caujapé) Juli Caujapé-Castells (1965– )
- Caulet, J-P Jean-Pierre Caulet
- Caullery, M Maurice Caullery (1868–1958)
- Caum, EL (Caum) Edward Leonard Caum (1893–1952)
- Causey, NB Nell Bevel Causey (1910–1979)
- Causey, OR Ottis Robert Causey (1905–1988)
- Cautley, P Proby Thomas Cautley (1802–1871)
- Cavaco, AJL (Cavaco) Alberto Judice Leote Cavaco (1916– )
- Cavalcante, PB (Cavalcante) Paulo Bezerra Cavalcante (1922– )
- Cavalcanti, TB (T.B.Cavalc.) Taciana Barbosa Cavalcanti (1961– )
- Cavalcanti, W de A (Cavalc.) Wlandemir de Albuquerque Cavalcanti
- Cavalier, A (Cavalier) A. Cavalier (fl. 1835)
- Cavalier-Smith, T (Caval.-Sm.) Thomas Cavalier-Smith (1942–2021)
- Cavanilles, AJ (Cav.) Antonio José Cavanilles (1745–1804)
- Cavara, F (Cavara) Fridiano Cavara (1857–1929)
- Cavarzere, V Vagner Cavarzere
- Cave, RD (Cave) Ronald D. Cave
- Cavender, TM Ted M. Cavender
- Cavers, F (Cavers) Francis Cavers (1876–1936)
- Cavestro, W William Cavestro
- Cavey, JF Joseph F. Cavey
- Cavichioli, RR Rodney Ramiro Cavichioli
- Cavillier, FG François Georges Cavillier (1868–1953)
- Cavolini, F (Cavolini) Filippo Cavolini (1756–1810)
- Caxambú, MG Marcelo Galeazzi Caxambú
- Cayla, V Victor Cayla
- Cayzer, LW (L.W.Cayzer) Lindy W. Cayzer
- Cazier, MA Mont A. Cazier (1911–1995)
- Ceas, PA Patrick A. Ceas
- Ceccarelli, SF Sara Fadia Ceccarelli
- Cecchi, L (L.Cecchi) Lorenzo Cecchi (1979– )
- Cei, JM José Miguel Cei (1918– )
- Ceianu Igor Ceianu (1925–2000)
- Ceja Romero, J (Ceja) Jacqueline Ceja Romero (fl. 1996)
- Čejchan, A Adolf Čejchan (1930–)
- Cejp, K (Cejp) Karel Cejp (1900–1979)
- Cela-Conde, CJ Camilo J. Cela-Conde
- Čelakovský, LJ (Čelak.) Ladislav Josef Čelakovský (1834–1902)
- Celante, GL Gabriel Luiz Celante
- Celep, F (Celep) Ferhat Celep (fl. 2009)
- Çelik, A (A.Çelik) Ali Çelik (fl. 2008)
- Çelik, S (S.Çelik) Sezgin Çelik (fl. 2008)
- Celis-Diez, JL Juan L. Celis-Diez
- Cellerino, A Alessandro Cellerino
- Cels, JF (J.F.Cels) Jean François Cels (1810–1888)
- Cels, JPM (Cels) Jacques Philippe Martin Cels (1740–1806)
- Çenet, M (Çenet) Menderes Çenet (fl. 2008)
- Cengia-Sambo, M (Sambo) Maria Cengia-Sambo (1888–1939)
- Ceni, F (Ceni) Fausto Ceni
- Ceolin, D Daiane Ceolin
- Cepeda Quilindo, B Belisario Cepeda Quilindo
- Čepelák, J Jiří Čepelák (1917–2000)
- Čepelák, S Svätopluk Čepelák (1953–)
- Cerana, MM (Cerana) María Micaela Cerana (1949– )
- Cerdeña, J (Cerdeña) Jose Cerdeña
- Cernohorsky, WO Walter Olivier Cernohorsky (1927– )
- Černý, D David Černý
- Černý, K (Černý) Karel Černý
- Cerqueira, NL Nelson Leander Cerqueira (1901–1969)
- Cerqueira, PV Pablo Vieira Cerqueira
- Cervantes, L (L.Cervantes) Luis Cervantes
- Cervantes, SD Sandy D. Cervantes
- Cervantes, V (Cerv.) Vicente Cervantes (1755–1829)
- Cervera, JL Juan Lucas Cervera
- Cervi, AC (Cervi) Armando Carlos Cervi (1944– )
- Cervigón, F Fernando Cervigón
- Cesati, V (Ces.) Giuliano Cesca (1935– )
- Cesca, G (Cesca) Vincenzo de Cesati (1806–1883)
- Céspedes, LN Laura N. Céspedes
- Çetin, Ö (Ö.Çetin) Özlem Çetin (fl. 2009)
- Ceynowa-Giełdon, M (Ceyn.-Giełd.) Mirosława Ceynowa-Giełdon
- Chabanaud, P Paul Chabanaud (1876–1959)
- Chabaud, JB (Chabaud) J. Benjamin Chabaud (1833–1915)
- Chabert, AC Alfred Charles Chabert (1836–1916)
- Chabert, P (P.Chabert) Pierre Chabert (1796–1867)
- Chaboisseau, T (Chaboiss.) Théodore Chaboisseau (1828–1894)
- Chaboo, CS Caroline Simmrita Chaboo
- Chace, FA Fenner A. Chace (1908–2004)
- Chacín, ME María E. Chacín
- Chacón, I (Chacón) Isidro Chacón
- Chadwick, AA (A.A.Chadwick) Arthur A. Chadwick (fl. 2006)
- Chaerle, P (Chaerle) Peter Chaerle (fl. 2007)
- Chagas, CRJ (Chagas) Carlos Chagas (1879–1934)
- Chai, JY Jian-yuan Chai
- Chaillet, JF de (Chaillet) Jean Frédéric de Chaillet (1749–1839)
- Chaix, D (Chaix) Dominique Chaix (1730–1799)
- Chakrabarty, P Prosanta Chakrabarty
- Chakraborty, SK S. K. Chakraborty
- Chakravarty, HL (Chakrav.) Hira Lal Chakravarty (1907–1998)
- Chalaud, G (Chalaud) Germain Chalaud (1889–1967)
- Chalmers, AJ (Chalm.) Albert Jones Chalmers (1870–1920)
- Chalon, JCA (Chalon) Jean Charles Antoine Chalon (1846–1921)
- Chalumeau, F Fortuné Chalumeau
- Chamba, JF Jean-Francois Chamba
- Chamberlain, CJ (Chamb.) Charles Joseph Chamberlain (1863–1943)
- Chamberlain, DA Dee Ann Chamberlain
- Chamberlain, DF (D.F.Chamb.) David Franklin Chamberlain (1941– )
- Chamberlain, G George Chamberlain (1916–1979)
- Chamberlin, JC Joseph Conrad Chamberlin (1898—1962)
- Chamberlin, RV Ralph Vary Chamberlin (1879–1967)
- Chamberlin, WJ Willard Joseph Chamberlin (1890—1971)
- Chambers, GK Geoffrey K. Chambers
- Chambers, J Jack Chambers
- Chambers, J James Chambers
- Chambers, KL (K.L.Chambers) Kenton Lee Chambers (1929– )
- Chambers, VT (Chambers) Victor Toucey Chambers (1831–1883)
- Chami-Kranon, T Thanaphum Chami-Kranon
- Chamisso, A (Cham.) Adelbert von Chamisso (1781–1838)
- Champion, GC George Charles Champion (1851–1927)
- Champion, JG (Champ.) John George Champion (1815–1854)
- Chan, BPL Bosco Pui-Lok Chan
- Chan, CL (C.L.Chan) Chu Lun Chan (fl. 1990)
- Chan, KO (K.O. Chan) Kin Onn Chan
- Chan, ML (M.L.Chan) Mei-Lin Chan
- Chan, T-Y {T.Y. Cahn) Tin-Yam Chan
- Chan, WL William L. Chan
- Chan-ard, T Tanya Chan-ard
- Chan-Canche, RJ Ricardo Josué Chan-Canche
- Chanda, SK Shyamal Kumar Chanda
- Chandjian, N.S. (Chandjian) Nasik S. Chandjian (1946–)
- Chandler, D Donald S. Chandler
- Chandler, G (G.Chandler) Gregory T. Chandler
- Chandler, HP Harry Phylander Chandler
- Chandler, MEJ Marjorie E.J. Chandler
- Chandler, PJ Peter John Chandler (1944–)
- Chandra, D (D.Chandra) Dali Chandra
- Chaney, RW Ralph W. Chaney (1890–1971)
- Chang, CC (C.C.Chang) Chao Chien Chang (1900– )
- Chang, CS (Chin S.Chang) Chin-Sung Chang (1959– ),
- Chang, CY (C.Y.Chang) Che Yung Chang (1932– )
- Chang, CY Cheon Young Chang
- Chang, HM (H.M.Chang) Ho Ming Chang (fl. 2001)
- Chang, HT (H.T.Chang) Ho Tseng Chang (1898– )
- Chang, HT (Hung T.Chang) Hung-Ta Chang (1914–2016)
- Chang, HW Hseuh-Wen Chang
- Chang, MC (M.C.Chang) Mei Chen Chang (1933– )
- Chang, MLY Mangven L.Y. Chang
- Chang, RH (R.H.Chang) Roh Hwei Chang (1931– )
- Chang, TK Tso-kan Chang
- Chang, WC (W.C. Chang) Wei-chun Chang
- Chang, YL (Y.L.Chang) Yan-Lin Chang
- Chani-Posse, M Mariana Chani-Posse
- Channing, A Alan Channing
- Chanpaisaeng, J (Chanpaisaeng) Jariya Chanpaisaeng
- Chao, CL (C.L. Chao) Chung-Ling Chao
- Chao, CS (C.S.Chao) Chi-Son Chao (1936– )
- Chao, HF Hsiu-fu Chao
- Chao, LN Labbish Ning Chao
- Chao, RF Ren-Fang Chao
- Chaowasku, T (Chaowasku) Tanawat Chaowasku (fl. 2006)
- Chaparro, JC Juan Carlos Chaparro
- Chapco, W William Chapco (1941– )
- Chapelon, C Chrystelle Chapelon
- Chapin, EA Edward Albert Chapin (1894–1969)
- Chapin, JB Joan Beggs Chapin (1929–2014)
- Chapin, JP James Paul Chapin (1889–1964)
- Chapman, AR (A.R.Chapm.) Alexander Robert Chapman (1959– )
- Chapman, AW (Chapm.) Alvan Wentworth Chapman (1809–1899)
- Chapman, F Frank Chapman
- Chapman, F Frederick Chapman (1864–1943)
- Chapman, JW James W. Chapman
- Chapman, MA M. Ann Chapman (1937–2009)
- Chapman, TA Thomas Algernon Chapman (1842–1921)
- Chapple, DG David G. Chapple
- Chappuis, C Claude Chappuis
- Chapuis, F Félicien Chapuis (1824–1879)
- Chardón, CE (Chardón) Carlos Eugenio Chardón (1897–1965)
- Charig, AJ Alan Jack Charig (1927–1997)
- Charkhchian, M (Charkhch.) Mohammad Mehdi Charkhchian (fl. 2008)
- Charles, GJ (G.J.Charles) Graham J. Charles
- Charles, N Nadege Charles
- Charmeux, JF (Charmeux) Jean-François Charmeux
- Charpentier, T Toussaint de Charpentier (1779–1847)
- Charpin, A (Charpin) André Charpin (1937– )
- Charrel, L (Charrel) Louis Charrel (1839–1924)
- Charvet-Almeida, P Patricia Charvet-Almeida
- Chase, MA (Chase) Mary Agnes Chase (1869–1963)
- Chase, MW (M.W.Chase) Mark Wayne Chase (1951– )
- Chasen, FN (Chasen) Frederick Nutter Chasen (1896–1942)
- Chatelain, C (C.Chatel.) Cyrille Chatelain (1963– )
- Châtelain, JJ (Châtel.) Jean Jacques Châtelain (1736–1822)
- Chater, AO (Chater) Arthur Oliver Chater (1933– )
- Chatrenoor, T Targol Chatrenoor
- Chatrou, LW (Chatrou) Laurentius 'Lars' Willem Chatrou (1966– )
- Chatterjee, D (Chatterjee) Debabarta Chatterjee (1911–1960)
- Chatterjee, S Sankar Chatterjee
- Chatterton, BDE Brian D.E. Chatterton
- Chatzaki, M Maria Chatzaki
- Chatzimanolis, S Stylianos Chatzimanolis
- Chau, HC-S Helen Chwei-Sia Chau
- Chaubard, LA (Chaub.) Louis Athanase Chaubard (1785–1854)
- Chaudhary, SA (Chaudhary) Shaukat Ali Chaudhary (1931– )
- Chaudhri, MN (Chaudhri) Mohammad Nazeer Chaudhri (1932– )
- Chaudoir, M Maximilien de Chaudoir (1816–1881)
- Chauhan, N (Chauhan) Neena Chauhan
- Chauvrat, J (Chauvrat) Jean-Jules Chauvrat (1851–1909)
- Chautems, A (Chautems) Alain Chautems
- Chav, T (T. Chav) Thou Chav
- Chavannes, EL (Chav.) Édouard Louis Chavannes (1805–1861)
- Chaveerach, A (Chaveer.) Arunrat Chaveerach
- Chaverri, A (Chaverri) Adelaida Chaverri
- Chaves, AV Anderson Vieira Chaves
- Chaves, JL (Chaves) José Luis Chaves
- Chavtur, VG Vladimir Grigorievich Chavtur
- Chaytor, D (Chaytor) Dorothy Anne Chaytor (1912–2003),
- Chazelles de Prizy, LM (Chaz.) Laurent Marie Chazelles de Prizy (1724–1808)
- Che, J Jing Che
- Chébez, JC Juan Carlos Chébez (1962−2011)
- Cheek, MR (Cheek) Martin Roy Cheek (1960– )
- Cheel, E (Cheel) Edwin Cheel (1872–1951)
- Cheeseman, TF (Cheeseman) Thomas Frederic Cheeseman (1846–1923)
- Cheesman, EE (Cheesman) Ernest Entwistle Cheesman (1898–1983)
- Cheesman, LE Lucy Evelyn Cheesman (1881–1969)
- Cheesman, RE Robert Ernest Cheesman (1878–1962)
- Chehaibar, MT (Chehaibar) Miriam Teresita Chehaibar
- Cheli, G (Cheli) German Cheli
- Chemisquy, MA (Chemisquy) Maria Amelia Chemisquy (1980– )
- Chemnick, J (Chemnick) Jeffrey Chemnick (fl. 1995)
- Chemnitz, JH Johann Hieronymus Chemnitz (1730–1800)
- Chen, AM (A.M. Chen) An-Ming Chen
- Chen, BL (B.L.Chen) Bao Liang Chen (1944–1991)
- Chen, CC Chang-Chin Chen
- Chen, CJ (C.J.Chen) Chia Jui Chen (1935– )
- Chen, CS Chin-Seng Chen
- Chen, CW (C.W.Chen) Cheng Wei Chen (fl. 2014)
- Chen, FH (F.H.Chen) Feng Hwai Chen (1900–1993)
- Chen, FQ (F.Q.Chen) Fu-Qiang Chen
- Chen, HB (H.B. Chen) Han-Bin Chen
- Chen, HB (H.B.Chen) Hu Biao Chen (1962– )
- Chen, HH (H.H.Chen) H.H. Chen (fl. 2011)
- Chen, HM Hong-Ming Chen
- Chen, HM Hui-Ming Chen
- Chen, HW (H.W. Chen) Hong-Wei Chen
- Chen, HY (H.Y.Chen) Hsiu Ying Chen (fl. 1935)
- Chen, IS I-Shiung Chen
- Chen, J (J.Chen) Jun Chen
- Chen, JB (J.B.Chen) Jian-Bin Chen (fl. 1989)
- Chen, JF (J.F.Chen) Jing Fong Chen (fl. 1984)
- Chen, JF (Jin F.Chen) Jin Feng Chen (fl. 2000)
- Chen, JH (J.H. Chen) Jia-Hua Chen
- Chen, JX (J.X.Chen) Jia-Xiu Chen
- Chen, JY Jun-Yuan Chen
- Chen, LH (L.H.Chen) Lin Hai Chen (fl. 1999)
- Chen, LJ (L.J.Chen) Li Jun Chen (1980– )
- Chen, LS (L.S. Chen) Liu-Sheng Chen
- Chen, MY (M.Y. Chen) Mei-Yu Chen
- Chen, NZ (N.Z. Chen) Nai-Zhong Chen
- Chen, P Peiji Chen
- Chen, PC (P.C.Chen) Pan Chieh Chen (1907–1970)
- Chen, QH (Q.H.Chen) Qian Hai Chen (fl. 1987)
- Chen, SC (S.C.Chen) Sing Chi Chen (1931– )
- Chen, SH Sicien H. Chen (1905–1988)
- Chen, SJ (S.J.Chen) Sen Jen Chen (1933– )
- Chen, SK (S.K.Chen) Shu Kun Chen (1936– )
- Chen, SL (S.L.Chen) Shou Liang Chen (1921– )
- Chen, SZ Shou-Zhong Chen
- Chen, TC (T.C.Chen) Tê Chao Chen (1926– )
- Chen, TCh Te-Chiung Chen
- Chen, TM (T.M.Chen) Tie-Mei Chen
- Chen, WF Wen-Feng Chen
- Chen, WH (W.H.Chen) Wen Hong Chen (fl. 2002)
- Chen, WX Wen-Xin Chen
- Chen, XL (X.L.Chen) Xiulong Chen
- Chen, XS {X.S.Chen) Xiang-Sheng Chen
- Chen, XX (X.X.Chen) Xue-Xin Chen
- Chen, XY Xiaoyong Chen
- Chen, XYu (X.Yu. Chen) Xiao-Yu Chen
- Chen, YC (Y.C. Chen) Yong Chang Chen
- Chen, YH (Y.H.Chen) Yu Heng Chen (1934– )
- Chen, YL (Y.L.Chen) Yi Ling Chen (1930– )
- Chen, YX (Y.X. Chen) Yi-Xin Chen
- Chen, Z (Z. Chen) Zhong Chen
- Chen, ZB (Z.B. Chen) Zhi-Bing Chen
- Chen, ZC (Z.C.Chen) Zui Ching Chen (1930– )
- Chen, ZD (Z.D.Chen) Zhi Duan Chen (fl. 1994)
- Chen, ZF Zhang-Fu Chen
- Chen, ZM (Z.M. Chen) Zi-Ming Chen
- Chenantais, JE (Chenant.) Jules E. Chenantais (1854–1942)
- Chenault, L (Chenault) Léon Chenault (1853–1930)
- Chenevard, P (Chenevard) Paul Chenevard (1839–1919)
- Cheng, CY (C.Y.Cheng) Ching-Yung Cheng (1918–2012)
- Cheng, FY Fung Ying Cheng (1915– )
- Cheng, M (M.Cheng) Mien Cheng (1899–1987)
- Cheng, M Ming Cheng
- Cheng, MH (M.H.Cheng) Ming Hao Cheng (1935– )
- Cheng, SH ('S.H.Cheng) Sze Hsu Cheng (1931–1967)
- Cheng, WC (W.C.Cheng) Wan-Chun Cheng (1908–1987)
- Chenu, J Jean-Charles Chenu (1808–1879)
- Chepinoga, VV (Chepinoga) Victor Vladimirovich Chepinoga (1974– )
- Cherchi, MA Maria Adelaide Cherchi (1927–1985)
- Chereshnev, IA Igor A. Chereshnev
- Cherler, JH (Cherler) Johann Heinrich Cherler 1570-1610)
- Chermock, RL Ralph L. Chermock
- Cherniawsky, DM (Chern.) Donna M. Cherniawsky
- Chernov, SA Sergey Alexandrovich Chernov (1903–1964)
- Cherrie, GK George Kruck Cherrie (1865–1946)
- Cheshmedjiev, IV (Cheshm.) Ilija Vasilev Cheshmedjiev (1930– )
- Chesselet, P (Chess.) Pascale Chesselet
- Chesser, RT R. Terry Chesser
- Chester, FD (Chester) Frederick Dixon Chester (1861–1943)
- Chetverikov, SS Sergei Sergeevich Chetverikov (1880–1959)
- Chevalier, AJB (A.Chev.) Auguste Jean Baptiste Chevalier (1873–1956)
- Chevalier, C (C.Chev.) Charles Chevalier (1873–1963)
- Chevalier, J-P Jean-Pierre Chevalier (1926–1981)
- Chevallier, FF (Chevall.) François Fulgis Chevallier (1796–1840)
- Chevallier, LPD (L.Chevall.) Louis Pierre Désiré Chevallier (1852–1938)
- Chevey, P Pierre Chevey
- Cheviron, ZA Zachary A. Cheviron
- Chevreux, E Édouard Chevreux (1846–1931)
- Chevrolat, LAA Louis Alexandre Auguste Chevrolat (1799–1884)
- Chew, WL (Chew) Wee-Lek Chew (1932– )
- Chia, FS Fu-Shiang Chia
- Chia, LC (L.C.Chia) Liang Chi Chia (1921– )
- Chiang, F (F.Chiang) Fernando Chiang (1943– )
- Chiappe, LM Luis Maria Chiappe
- Chiarini, FE (Chiarini) Franco Ezequiel Chiarini (1978– )
- Chiba, H (H.Chiba) Hideyuki Chiba
- Chickering, AM Arthur M. Chickering (1887–1974)
- Chiereghini, SA Stefano Abate Chiereghini (1745–1820)
- Chikuni, Y Yasunosuke Chikuni
- Child, A (A.Child) Alan Child (fl. 1979)
- Child, J (J.Child) John Child (1922–1984)
- Child, P (P.Child) Peter Child (fl. 1986)
- Children, JG John George Children (1777–1852)
- Chilton, C Charles Chilton (1860–1929)
- Chimitova, AB Ayuna B. Chimitova
- China, WE William Edward China
- Ching, RC (Ching) Ren-Chang Ching (1898–1986)
- Chinnock, RJ (Chinnock) Robert James Chinnock (1943– )
- Chiou, WL (W.L.Chiou) Wen Liang Chiou (fl. 2009)
- Chiovenda, E (Chiov.) Emilio Chiovenda (1871–1941)
- Chippendale, GM (Chippend.) George McCartney Chippendale (1921– )
- Chippindale, PT Paul T. Chippindale
- Chippindall, LKA (Chippind.) Lucy Katherine Armitage Chippindall (1913– )
- Chirio, L Laurent Chirio
- Chiron, GR (Chiron) Guy Robert Chiron (1944– )
- Chisholm, LA Leslie A. Chisholm
- Chiszar, D David Chiszar
- Chitale, G (Chitale) Gayatri Chitale
- Chitnarin, A Anisong Chitnarin
- Chitrovo, VN Vladimir Nikolaevich Chitrovo
- Chittenden, FJ (Chitt.) Frederick James Chittenden (1873–1950)
- Chitwood, BG Benjamin Goodwin Chitwood
- Chiu, PL (P.L.Chiu) Pao Ling Chiu
- Chiu, RWT Ruby Wing Tung Chiu
- Cho, HW Hee-Wook Cho
- Cho, JC Jang-Cheon Cho
- Choat, JH J. Howard Choat
- Chodat, RH (Chodat) Robert Hippolyte Chodat (1865–1934)
- Choi, HJ (H.J.Choi) Hyeok-Jae Choi
- Choi, HK (H.K.Choi) Hong-Keun Choi (1952– )
- Choi, JK Jin-Kyung Choi
- Choi, SW (S.W. Choi) Sei-Woong Choi
- Choimet, X (Choimet) Xavier Choimet
- Choisy, JD Jacques Denis Choisy (1799–1859)
- Choisy, M Maurice Gustave Benoît Choisy (1897–1966)
- Cholich, T Teresa del Carmen Cholich
- Chopard, L Lucien Chopard
- Chopra, GL (G.L. Chopra) Goverdhan Lal Chopra (1903– )
- Chou, I (I. Chou) Io Chou
- Chou, WH Wen-Hao Chou
- Chou, WI (W.I.Chou) Wen-I Chou
- Chou, YL (Y.L.Chou) Yi Liang Chou (1922– )
- Chouard, P (Chouard) Pierre Chouard (1903–1983)
- Choudhury, M Madhumita Choudhury
- Choulette, S (Choul.) Sébastien Choulette (1803–1877)
- Choux, P Pierre Choux (1890–1983)
- Chow, S (S.Chow) Shuan Chow
- Chowdhery, HJ (H.J.Chowdhery) Harsh Jeet Chowdhery (1949– )
- Chowdhury, S (Sud.Chowdhury ) Sudangshu Chowdhury (1935– )
- Chrétien, P Pierre Chrétien (1846–1934)
- Christ, KHH (Christ) Konrad Hermann Heinrich Christ (1833–1933)
- Christen, R Richard Christen
- Christenhusz, MJM (Christenh.) Maarten J.M. Christenhusz (1976– )
- Christensen, CC Carl C. Christensen
- Christensen, CFA (C.Chr.) Carl Frederik Albert Christensen (1872–1942)
- Christensen, KI (K.I.Chr.) Knud Ib Christensen (1955– )
- Christenson, EA (Christenson) Eric Alston Christenson
- Christian, E Erhard Christian
- Christiansen, MP (M.P. Christ.) Mads Peter Christiansen (1889–1975)
- Christiansen, MS (M.S.Christ.) Mogens Skytte Christiansen (1918–1997)
- Christiansen, P Per Christiansen
- Christiansen, SG Søren Grøntved Christiansen (S.G.Christ.)
- Christmann, GF (Christm.) Gottlieb Friedrich Christmann (1752–1836)
- Christnach, C (Christnach) Claude Christnach
- Christoph, HT Hugo Theodor Christoph (1831–1894)
- Christophers, SR Samuel Rickard Christophers (1873–1978)
- Christophersen, E (Christoph.) Erling Christophersen (1898– )
- Chrshanovski, VG (Chrshan.) Vladimir Gennadievich Chrshanovski (1912–1985)
- Chrtek, J (Chrtek) Jindřich Chrtek (1930–2008)
- Chrtková, A (Chrtková) Anna Chrtková (1930– )
- Chrysanthus, P Pater Chrysanthus
- Chrysler, MA (Chrysler) Mintin Asbury Chrysler (1871–1963)
- Chu, CD (C.D.Chu) Cheng-De Chu (1928– )
- Chu, GL (G.L.Chu) Ge Lin Chu (1934– )
- Chu, WM (W.M.Chu) Wei Ming Chu (1930– )
- Chuang, TI (T.I.Chuang) Tsan Iang Chuang (1933–1994)
- Chuaynkern, Y Yodchaiy Chuaynkern
- Chubb, C Charles Chubb (1851–1924)
- Chûjô, M (Chujo) Michio Chûjô (1908–2004)
- Chûjô, M Michitaka Chûjô
- Chukr, NS Nadia Said Chukr
- Chullasorn, S Supawadee Chullasorn
- Chun, C Carl Chun (1852–1914)
- Chun, F (F.Chun) Faith Chun
- Chun, J Jongsik Chun
- Chun, WY (Chun) Woon Young Chun (1890–1971)
- Chung, IC (I.C.Chung) In Cho Chung (1918– )
- Chung, KF (K.F.Chung) Kuo-Fang Chung (fl. 2007)
- Chung, YH (Y.H.Chung) Yung Ho Chung (1924– )
- Chunram, S Sommai Chunram
- Chuong, CM Cheng-Ming Chuong
- Church, GL (G.L.Church) George Lyle Church (1903– )
- Churchill, CKC Celia K. C. Churchill
- Churchill, DM (Churchill) David Maughan Churchill (1933– )
- Churchill, SP (S.P.Churchill) Steven P. Churchill (1948– )
- Chure, DJ Daniel J. Chure
- Churkin, S (Churkin) Sergei Churkin
- Chvála, M Milan Chvála (1936–2021)
- Chvojka, P Pavel Chvojka
- Chyzer, C Cornelius Chyzer (1836–1909)
- Cialdella, AM (Ciald.) Ana María Cialdella (1956– )
- Ciampo, G Giuliano Ciampo
- Cibois, A Alice Cibois
- Cicchino, AC Armando C. Cicchino
- Ciciardelli, MM (Ciciar.) María de las Mercedes Ciciarelli (fl. 1995)
- Cieslak, A (A. Cieslak) Anja Cieslak
- Ciferri, R (Cif.) Raffaele Ciferri (1897–1964)
- Cimmaruta, R Roberta Cimmaruta
- Cinovskis, R (Cinovskis) Raimonds Cinovskis (1930–1998)
- Ciocârlan, V (Ciocârlan) Vasile Ciocârlan (1926– )
- Çiplak, B (Çiplak') Battal Çiplak
- Cirillo, DML (Cirillo) Domenico Maria Leone Cirillo (1739–1799)
- Çirpici, A (Çirpici) Ali Çirpici (fl. 1978)
- Cirujano, S (Cirujano) Santos Cirujano (1950– )
- Cisneros-Heredia, DF Diego Francisco Cisneros-Heredia
- Claassen, PW Peter Walter Claassen (1886–1937)
- Claessen, CJ Carl J. Claessen
- Claessens, J (J.Claess. ) Jean Claessens
- Clairville, JP Joseph Philippe de Clairville (1742–1830)
- Clancey, P Phillip Clancey (1917–2001)
- Claparède, JLRAE Jean Louis René Antoine Édouard Claparède (1832–1871)
- Claramunt, S. Santiago Claramunt
- Clarion, J (Clarion ) Jacques Clarion (1776–1844)
- Clark, AH Austin Hobart Clark (1880–1954)
- Clark, AM Ailsa McGown Clark
- Clark, BL Bruce L. Clark (1880–1945)
- Clark, BP Benjamin Preston Clark
- Clark, DL David Leigh Clark
- Clark, E Eugenie Clark (1922– )
- Clark, ED Erica D. Clark
- Clark, GA George Archibald Clark (1864–1918)
- Clark, H Hamlet Clark (1823–1867)
- Clark, HES Helen Elizabeth Shearburn Clark
- Clark, HJ Henry James Clark (1826–1873)
- Clark, HL Hubert Lyman Clark (1870–1947)
- Clark, HW Howard Walton Clark (1870–1941)
- Clark, J Janice Clark
- Clark, J John Clark (1885–1956)
- Clark, JC (C.Clark) James Curtis Clark (1951– )
- Clark, JL (J.L.Clark) John Littner Clark (1969– )
- Clark, JM John M. Clark
- Clark, LL Linda L. Clark
- Clark, PF Paul F. Clark
- Clark, RJ Richard J. Clark
- Clark, RS Robert Selbie Clark (1882–1950)
- Clark, SM Shawn M. Clark (1955–)
- Clark, TB (T.B.Clark) Truman Benton Clark (1928–1984)
- Clark, TH Thomas H. Clark (1893–1996)
- Clark, WC Walter C. Clark
- Clarke, AH, Jr. Arthur Haddleton Clarke, Jr. (1926–2014)
- Clarke, B Barbara Clarke
- Clarke, BT Barry Thomas Clarke
- Clarke, C (C.Clarke) Charles Clarke
- Clarke, CB (C.B.Clarke) Charles Baron Clarke (1832–1906)
- Clarke, DJ David J. Clarke
- Clarke, ED (E.D.Clarke) Edward Daniel Clarke (1769–1822)
- Clarke, JA Julia Allison Clarke
- Clarke, JFG John F. Gates Clarke (1905–1990)
- Clarke, JM John M. Clarke
- Clarke, ROS (R.O.S.Clarke) Robin O.S.Clarke
- Clarke, SR Stephenson Robert Clarke (1862–1948)
- Clarke, WE William Eagle Clarke (1853–1938)
- Clarkson, JR (J.R.Clarkson) John Richard Clarkson (1950– )
- Classen-Bockhoff, R (Class.-Bockh.) Regine Classen-Bockhoff (fl. 2008)
- Claus, CFW Carl Friedrich Wilhelm Claus (1835–1899)
- Clausen, AM (A.M.Clausen) Andrea Martina Clausen (1949– )
- Clausen, HS H. Stenholt Clausen
- Clausen, JC (J.C.Clausen) Jens Christian Clausen (1891–1969)
- Clausen, PCD (Clausen) Pedro Cláudio Dinamarquez Clausen (?–1855)
- Clausen, RE (R.E.Clausen) Roy Elwood Clausen (1891–1956)
- Clausen, RT (R.T.Clausen) Robert Theodore Clausen (1911–1981)
- Clauzade, GA (Clauzade) Ferdinand Joseph Georges Alexandre Clauzade (1914–2002)
- Clavareau, H Henri Clavareau (1866–1932)
- Clavaud, A (Clavaud) Armand Clavaud (1828–1890)
- Silvia Claver
- Claverie, P Pascal Claverie
- Clavijo, JA José A. Clavijo
- Clayden, SR (S.R. Clayden) Stephen R. Clayden
- Clayton, DR David R. Clayton
- Clayton, J (J.Clayton) John Clayton (1686–1773)
- Clayton, WD (Clayton) William Derek Clayton (1926– )
- Cleaver-Yoder, RM Rachel M. Cleaver-Yoder
- Cleere, N Nigel Cleere
- Cleland, JB (Cleland) John Burton Cleland (1878–1971)
- Clemants, SE (Clemants) Steven Clemants (1954– )
- Clémençon, H (Clémençon) Heinz Clémençon (1935– )
- Clemens, JB James Brackenridge Clemens (1825–1867)
- Clement, AM Alice M. Clement
- Clément, G Gaël Clément
- Clemente, S (Clemente) Simón de Rojas Clemente y Rubio (1777–1827)
- Clementi, GC (Clementi) Giuseppe C. Clementi (1812–1873)
- Clements, AN Alan Neville Clements (1927–2020)
- Clements, FE (Clem.) Frederic Edward Clements (1874–1945)
- Clements, MA (M.A.Clem.) Mark Alwin Clements (1949– )
- Clemmer, GH Glenn H. Clemmer
- Clench, HK Harry K. Clench (1925–1979)
- Clench, WJ William James Clench (1897–1984)
- Clerc, P (P.Clerc) Philippe Clerc (1955– )
- Clerck, CA Carl Alexander Clerck (1709–1765)
- Clergue-Gazeau, M Monique Clergue-Gazeau
- Clermont, D Dominique Clermont
- Cleve, PT Per Teodor Cleve (1840–1905)
- Cliff, FS Frank S. Cliff
- Clifford, G (G.Clifford) George Clifford (1685–1760)
- Clifford, HT Harold Trevor Clifford (1927– )
- Climo, FM Francis Martin Climo (1948– )
- Cliquennois, N Nicolas Cliquennois
- Clokey, IW (Clokey) Ira Waddell Clokey (1878–1950)
- Cloquet, H Hippolyte Cloquet (1787–1840)
- Clos, D (Clos) Dominique Clos (1821–1908)
- Close, RL Robert L. Close
- Closs, AG Adolf G. Closs
- Clouët des Pesruches, LAMJ Louis Armand Marie Joseph Clouët des Pesruches
- Clouse, RM Ronald M. Clouse
- Cloutman, DG (Cloutman) Donald G. Cloutman
- Clusius, C (Clus.) Carolus Clusius (1526–1609)
- Clute, WN (Clute) Willard Nelson Clute (1869–1950)
- Clutts, SA Stephanie A. Clutts
- Clyne, D Densey Clyne (1922– )
- Coad, BW Brian W. Coad
- Coan, EV Eugene V. Coan
- Coates, JD John D. Coates
- Coaz, JWF (Coaz) Johann Wilhelm Fortunat Coaz (1822–1918)
- Cobb, NA Nathan Augustus Cobb (1859–1932)
- Cobban, WA William A. Cobban
- Cobos, A Antonio Cobos Sánchez (1922–1998)
- Coca, LF (L.F. Coca) Luis Fernando Coca
- Cocco, A Anastasio Cocco (1799–1854)
- Cochet, PCM (Cochet) Pierre Charles Marie Cochet (1866–1936)
- Cochran, DM Doris Mable Cochran (1898–1968)
- Cock, MJW (Cock) Matthew J.W. Cock
- Cockayne, LC Leonard C. Cockayne (1855–1934)
- Cockerell, TDA Theodore Dru Alison Cockerell (1866–1948)
- Cocroft, RB Reginald B. Cocroft
- Cocteau, JT Jean-Théodore Cocteau (1798–1838)
- Cocucci, AE (Cocucci) Alfredo Elio Cocucci (1926– )
- Codd, LEW (Codd) Leslie Edward Wastell Codd (1908–1999)
- Coddington, J Jonathan Coddington
- Codesal, P (Codesal) Patricia L. Codesal
- Codoreanu, V (Codor.) Vasile Codoreanu
- Coe, EF (Coe) Ernest F. Coe (1867–1951)
- Coelho, G Galileu Coelho
- Coelho, LBN Luci Boa Nova Coelho
- Coemans, HELG (Coem.) Henri Eugène Lucien Gaëtan Coemans (1825–1871)
- Coen, GS Giorgio Silvio Coen (1873–1951)
- Coen, M Michel Coen (1943–2006)
- Coenen, E Eric Coenen
- Coenen, F (F. Coenen) Francis Coenen
- Coetzee, M Maureen Coetzee (1951–)
- Cogan, TM Timothy M. Cogan
- Cogger, HG Harold George Cogger
- Cognato, AI Anthony I. Cognato
- Cogniaux, CA (Cogn.) Célestin Alfred Cogniaux (1841–1916)
- Cogt, U (Cogt) Ulzijn Gogt (1940–1996)
- Cohen, AC Anne Constant Cohen
- Cohen, AS Andrew S. Cohen
- Cohen, BF Brian F. Cohen
- Cohen, DM Daniel M. Cohen (1930–2016)
- Cohen, JI (J.I.Cohen) James I. Cohen
- Cohen, RG Rosa Graciela Cohen
- Cohen-Stuart, CP (Cohen-Stuart) Combertus Pieter Cohen-Stuart (1889–1945)
- Cohn, FJ (Cohn) Ferdinand Julius Cohn (1828–1898)
- Cohn, TJ Theodore J. Cohn (1930–2012)
- Cohn-Haft, M Mario Cohn-Haft
- Cohuo-Durán, S Sergio Cohuo-Durán
- Coiffait, H Henri Coiffait (1907–1989)
- Coimbra, JC João Carlos Coimbra
- Coincy, AHC (Coincy) Auguste-Henri de Coincy (1837–1903)
- Coineau, N Nicole Coineau
- Cokendolpher, J James Cokendolpher
- Coker, WC (Coker) William Chambers Coker (1872–1953)
- Colagar, AH (Colagar) Abasalt Hosseinzadeh Colagar (fl. 2012)
- Colasante, MA (Colas.) Maria Antonietta Colasante (1944– )
- Colbert, EH Edwin Harris Colbert (1905–2001)
- Cole, AC Arthur C. Cole (1908–1995)
- Cole, DT (D.T.Cole) Desmond Thorne Cole (1922– )
- Cole, FR Frank Raymond Cole (1892–1988)
- Cole, MS (M.S.Cole) Mariette S. Cole
- Colebrooke, HT (Colebr.) Henry Thomas Colebrooke (1765–1837)
- Coleman, WH (Coleman) William Higgins Coleman (?1816–1863)
- Colenso, W (Colenso) William Colenso (1811–1899)
- Coles, GP Graham P. Coles
- Colgan, DJ Donald James Colgan
- Colijn, E Ed Colijn
- Colin, J-P Jean-Paul Colin (1948–2013)
- Colin, PL Patrick L. Colin
- Colla, LA (Colla) Luigi Aloysius Colla (1766–1848)
- Colladon, LTF (Collad.) Louis Théodore Frederic Colladon (1792–1862)
- Collar, NJ Nigel J. Collar
- Collard, S (Collard) Steeve Collard
- Collenette, CL (Collenette) Cyril Leslie Collenette (1888–1959)
- Colless, DH Donald Henry Colless (1922– )
- Collett, R Robert Collett (1842–1913)
- Collette, BB Bruce B. Collette
- Collier, PA (P.A.Collier) Philip A. Collier (fl. 2017)
- Collignon, M Maurice Collignon
- Collin, JE James Edward Collin (1876–1968)
- Collin, P (P. Collin) P. Collin
- Collinge, WE Walter E. Collinge (1867–1947)
- Collingwood, CA Cedric A. Collingwood
- Collins, AG Allen G. Collins
- Collins, CT Charles T. Collins
- Collins, DH Desmond H. Collins
- Collins, GN (G.N.Collins) Guy N. Collins
- Collins, JSH Joseph Stephen Henry Collins (1927–2019)
- Collins, JT Joseph Thomas Collins, Jr. (1938–2012)
- Collins, MA Martin A. Collins
- Collins, MD Matthew D. Collins
- Collins, S (S.Collins) Steve C. Collins
- Collins, TW (T.W.Collins) Thomas Willard Collins (1930–2018)
- Collins, Z (Z.Collins) Collins
- Colloff, MJ (Colloff) Matthew J. Colloff
- Collyer, E Elsie Collyer
- Colmeiro, M Miguel Colmeiro (1816–1901)
- Coloma, LA Luis A. Coloma
- Colombé, J J. Colombé
- Colonnelli, E Enzo Colonnelli
- Colotti, MT (Colotti) María Teresita de J. Colotti (1970– )
- Colsmann, J (Colsm.) Johannes Colsmann (1771–1830)
- Colston, P Peter Colston
- Coltman-Rogers, C (Coltm.-Rog.) Charles Coltman-Rogers (1854–1929)
- Columbus, JT James Travis Columbus (1962– )
- Colyn, M Marc Colyn
- Comas, A (Comas) Augusto Comas (1949– )
- Comas, J Jordi Comas
- Comas, M María del Mar Comas
- Comber, HF (H.F.Comber) Harold Frederick Comber (1897–1969)
- Comeau, N Napoléon-Alexandre Comeau (1846–1923)
- Comes, O (Comes) Orazio Comes (1848–1923)
- Commelijn, C (C.Commelijn) Caspar Commelijn (1667~8–1731)
- Commerson, P (Comm.) Philibert Commerson (1727–1773)
- Common, RS (Common) Ralph S. Common
- Compagno, LJV Leonard Compagno
- Compère, P (Compère) Pierre Compère (1934– )
- Compton, AW A. W. Crompton (1927–)
- Compton, JA (J.Compton) James A. Compton (1953– )
- Compton, RS (Compton) Robert Harold Compton (1886–1979)
- Comstock, JH John Henry Comstock (1849–1931)
- Comstock, WP (W.P. Comstock) William P. Comstock
- Conand, C Chantal Conand
- Conant, R Roger Conant (1909–2003)
- Conard, HS (Conard) Henry Shoemaker Conard (1874–1971)
- Conci, C Cesare Conci (1920–2011)
- Condamine de La, CM (Cond.) Charles Marie de La Condamine (1701–1774)
- Condé, B Bruno Condé (1920–2004)
- Condon, HT Herbert Thomas Condon (1912–1978)
- Conert, HJ (Conert) Hans Joachim Conert (1929– )
- Conforti, V (Conforti) Visitación Conforti (1965– )
- Congdon, TCE Colin Congdon
- Conill, JLE (Conill) Joseph Léon Emile Conill (1872–1944)
- Conlan, C (Conlan) Chris Conlan
- Conle, OV (Conle) Oskar V. Conle
- Conn, BJ (B.J.Conn) Barry John Conn (1948– )
- Conn, CE Caitlin E. Conn
- Connor, HE Henry Eamonn Connor (1922– )
- Conover, HB Henry Boardman Conover (1892–1950)
- Conrad, SW (Conrad) Solomon White Conrad (1779–1831)
- Conrad, TA Timothy Abbott Conrad (1803–1877)
- Conrad von Baldenstein, T Thomas Conrad von Baldenstein (1784–1878)
- Conradie, W Werner Conradie
- Conran, JG (Conran) John Godfrey Conran (1960– )
- Conrard, LPH Louis P.H. Conrard
- Conrath, P (Conrath) Paul Conrath (1861–1931)
- Consani, M Mario Consani (1929–1953)
- Consiglio, G (Cons.) Giovanni Consiglio (1945– )
- Console, M (Console) Michelangelo Console (1812–1897)
- Constance, L (Constance) Lincoln Constance (1909–2001)
- Constant, A Alexandre Constant (1829–1901)
- Constant, J Jérôme Constant
- Constantinescu, O (Constant.) Ovidiu Constantinescu (1933– )
- Constantinidis, T (Constantin.) Theophanis Constantinidis (fl. 1993)
- Constantino, LM (Constantino) Luis Miguel Constantino
- Contandriopoulos, J (Contandr.) Juliette Contandriopoulos (1922–2011)
- Conti, F (F.Conti) Fabio Conti
- Conti, MA Maria Alessandra Conti
- Contreras, D Daniel Contreras
- Contreras, JR Julio R. Contreras
- Contreras-Balderas, AJ Armando J. Contreras-Balderas
- Contu, ME (Contu) Marco E. Contu
- Conway, KW Kevin W. Conway
- Conway Morris, S Simon Conway Morris
- Conzatti, C (Conz.) Cassiano Conzatti (1862–1951)
- Cook, AJ Albert John Cook (1842–1916)
- Cook, C Carl Cook
- Cook, DR David R. Cook (1922– )
- Cook, HJ Harold J. Cook (1887–1962)
- Cook, JH John H. Cook
- Cook, LG Lyn G. Cook
- Cook, OF Orator Fuller Cook (1867– )
- Cook, TW Thomas Wrentmore Cook
- Cooke, CM Charles Montague Cooke, Jr. (1874–1948)
- Cooke, MC (Cooke) Mordecai Cubitt Cooke (1825–1914)
- Cooke, T (T.Cooke) Theodore Cooke (1836–1910)
- Cooke, WB (W.B. Cooke) William Bridge Cooke (1908–1991)
- Cooksey, RC Robert C. Cooksey
- Cooley, JR John R. Cooley
- Coolidge, KR Karl R. Coolidge (1890–1964)
- Cooper, CL Chalmer Lewis Cooper
- Cooper, EW (E.W.Cooper) Edward William Cooper (1884–1950)
- Cooper, JC Jacob C. Cooper
- Cooper, JG (J.G.Cooper) James Graham Cooper (1830–1902)
- Cooper, KW Kenneth Willard Cooper
- Cooper, MD (M.D. Cooper) Michael Dirk Cooper
- Cooper, MR (M.R. Cooper) Michael Robert Cooper
- Cooper, W William Cooper (1798–1864)
- Coopmans, P Paul Coopmans
- Cooreman, J Jean Cooreman (1911–1983)
- Cootes, JE James Edward Cootes (1950– )
- Cope, ED Edward Drinker Cope (1840–1897)
- Copeland, EB (Copel.) Edwin Bingham Copeland (1873–1964)
- Copeland, HE Herbert Edson Copeland (1849–1876)
- Copeland, HF (H.F.Copel.) Herbert Faulkner Copeland (1902–1968)
- Copeland, MJ Murray John Copeland
- Copland, SJ Stephen John Copland (1962–)
- Coppard, SE (Coppard) Simon E.Coppard
- Coppens d'Eeckenbrugge, Geo (Coppens) Geo Coppens d'Eeckenbrugge
- Copper, P Paul Copper (1940– )
- Coppey, A (Copp.) Amedee Coppey (1874–1913)
- Coppins, BJ Brian John Coppins (1949– )
- Coquerel, C (Coquerel) Charles Coquerel (1822–1867)
- Coquillett, DW Daniel William Coquillett (1856–1911)
- Corben, CJ Chris J. Corben
- Corbera, J (J.Corbera) Jordi Corbera
- Corbet, PS Philip Steven Corbet (1929- )
- Corbet, SA Sally A. Corbet
- Corbière, F (Corb.) François Marie Louis Corbière (1850–1941)
- Corbishley, AG Amy Gertrude Corbishley ( –1977)
- Corda, ACJ August Carl Joseph Corda (1809–1849)
- Cordeiro, CL Carmen Liucia dos Santos Cordeiro
- Cordeiro, NS (Cordeiro) Nelson da Silva Cordeiro
- Cordemoy, EJ (Cordem.) Eugène Jacob de Cordemoy (1835–1911)
- Córdova, JH Jesús H. Córdova
- Córdova-Chávez, O (Córdova-Chávez) Octavio Córdova-Chávez
- Côrecha Jauffret, J (Côrecha Jauffret) Jacques Côrecha Jauffret
- Coria, R Rodolfo Coria
- Corkill, NL Norman L. Corkill
- Corlett, MP Michael P. Corlett (1937– )
- Corley, HV (Corley) Hugh Vanner Corley (1914–2002)
- Corley, MFV (M.F.V.Corley) Martin F.V.Corley
- Cornalia, E Emilio Cornalia (1824–1880)
- Cornaz, CAE (Cornaz) Charles Auguste Édouard Cornaz (1825–1911)
- Cornejo, C (C. Cornejo) Carolina Cornejo
- Cornejo, X Xavier Cornejo
- Cornelissen, EN (Cornel.) Égide Norbert Cornelissen (1769–1849)
- Cornell, CP C. Peter Cornell
- Corner, EJH Edred John Henry Corner (1906–1997)
- Cornu, MM (Cornu) Marie Maxime Cornu (1843–1901)
- Corrales, JF Jorge F. Corrales
- Correa, Maevia Noemi (MN Correa) Maevia Noemi Correa (1914–2005)
- Correa da Serra, JF (Correa) Jose Francisco Correa da Serra (1751–1823)
- Correia, AID (A.I.D.Correia) Ana Isabel D. Correia (1953– )
- Correll, DS (Correll) Donovan Stewart Correll (1908–1983)
- Correvon, LH (Correvon) Louis Henri Correvon (1854–1939)
- Corrias, B (Corrias) Bruno Corrias (1939– )
- Corronca, JC José Antonio Corronca
- Cortés, S (Cortés) Santiago Cortés (1854–1924)
- Cortés-Ballén, RP (Cortés-Ballén) Rocío del Pilar Cortés-Ballén (1965– )
- Cortés-Diago, A Alexander Cortés Diago
- Cortés-Herrera, O Oswaldo Cortés-Herrera
- Cortés Peña, RE Raúl Eduardo Cortés Peña (1915–2001)
- Cortesi, F (Cortesi) Fabrizio Cortesi (1879–1949)
- Cory, CB Charles Barney Cory (1857–1921)
- Coryell, HN Horace Noble Coryell (1888–1965)
- Cosio Loaiza, WG Walter Guillermo Cosio Loaiza
- Coșkunçelebi, K (Coșkunç.) Kamil Coșkunçelebi (fl. 2000)
- Cossignani, T {[Tiziano Cossignani]]
- Cossmann, AEM Alexandre Édouard Maurice Cossmann (1850–1924)
- Cosson, ESC (Coss.) Ernest Saint-Charles Cosson (1819–1889)
- Costa, A Achille Costa (1823–1898)
- Costa, EM Emanuel Mendes da Costa (1717–1791)
- Costa, G Giuseppe Costa (1813–1883)
- Costa, JM Janira Martins Costa (1941–2018)
- Costa, LA (L.A.Costa) Luiz Alves Costa
- Costa, LAA Luis Antônio Alves Costa
- Costa, LM Lílian Mariana Costa
- Costa, M (M. Costa) Mauro Costa
- Costa, OG Oronzio Gabriele Costa (1787–1867)
- Costa, WJEM (W. Costa) Wilson José Eduardo Moreira da Costa
- Costa Lima, AM Ângelo Moreira da Costa Lima (1887–1964)
- Costantin, JN (Costantin) Julien Noël Costantin (1857–1936)
- Coste, JF Jean François Coste (1741–1819)
- Costea, M Mihai Costea
- Costello, MJ Mark J. Costello
- Cota, JH (Cota) J. Hugo Cota (1956– )
- Cotes, EC Everard Charles Cotes (1861– )
- Cotta, CB (Cotta) Carl Bernhard von Cotta (1808–1879)
- Cotterill, FPD Woody Cotterill
- Cotton, AD (A.D. Cotton) Arthur Disbrowe Cotton (1879–1962)
- Cotton, BC Bernard Charles Cotton (1905–1966)
- Couch, DN Darius Nash Couch
- Couch, JN John Nathaniel Couch (1896–1986)
- Couderc, G. (Couderc) George Couderc (1850–1928)
- Coues, E (Coues) Elliott Coues (1842–1899)
- Coulter, JM (J.M.Coult.) John Merle Coulter (1851–1928)
- Coulter, T (Coult.) Thomas Coulter (1793–1843)
- Couper, PJ Patrick J. Couper
- Couri, MS Márcia Souto Couri (1956– )
- Cournoyer, B Benoît Cournoyer
- Court, AB (Court) Arthur Bertram Court (1927– )
- Court, DJ David J. Court
- Courtecuisse, R (Courtec.) Régis Courtecuisse (1956– )
- Courtney, GW (Courtney) Gregory W. Courtney
- Cousturier, P (Coustur.) Paul Cousturier (1849–1921)
- Couthouy, JP Joseph Pitty Couthouy (1808–1864)
- Coutinho, AXP (Cout.) Antonio Xavier Pereira Coutinho (1851–1939)
- Coutsis, JG (Coutsis) John G. Coutsis
- Couvreur, TLP (Couvreur) Thomas Louis Peter Couvreur (1979– )
- Covacevich, JA Jeanette Adelaide Covacevich
- Cova-García, P Pablo Cova-García
- Covas, G (Covas) Guillermo Covas (1915–1995)
- Covell, CV Charles Van Orden Covell, Jr.
- Cover, SP Stefan P. Cover
- Coville, FV (Coville) Frederick Vernon Coville (1867–1932)
- Coville, J James Coville
- Cowan, AM (A.M.Cowan) Adeline May Cowan
- Cowan, JS (Cowan) John Macqueen Cowan (1891–1960)
- Cowan, RS (R.S.Cowan) Richard Sumner Cowan (1921–1997)
- Cowley, DR Donald R. Cowley
- Cowley, J (Cowley) Jill Cowley (1940– )
- Cowley, J John Cowley (1909–1967)
- Cowley, KJ (K.J.Cowley) Kirsten Jane Cowley (1961– )
- Cowper Reed, FR Frederick Richard Cowper Reed (1869–1946)
- Cox, DE (D.E.Cox) Darrell E. Cox
- Cox, JM Jennifer M. Cox
- Cox, LR Leslie Reginald Cox (1897–1965)
- Cox, MJ Merel J. Cox
- Cox, PB (P.B.Cox) Patricia Blackwell Cox (1954– )
- Cox, SC Siobhan C. Cox
- Cox Fernandes, C Cristina Cox Fernandes
- Coyle, FA Frederick A. Coyle
- Crabill, RE Ralph E. Crabill (1925–1992)
- Crabo, LG (L.G. Crabo) Lars G. Crabo
- Cracraft, J Joel Cracraft
- Craib, WG (Craib) William Grant Craib (1882–1933)
- Craig, DAM Douglas Abercrombie McBeath Craig
- Craighead, FC Frank Cooper Craighead, Sr. (1890–1982)
- Cramer, A (A. Cramer) Ashley Cramer
- Cramer, P Pieter Cramer (1721–1776 or 1779)
- Crampton, B (Crampton) Beecher Crampton (1918– )
- Crampton, GC Guy Chester Crampton (1881–1951)
- Crampton, HE Henry Edward Crampton (1875–1956)
- Crampton, JS James S. Crampton
- Crampton, WGR William G.R. Crampton
- Crandall-Stotler, BJ (Crand.-Stotl.) Barbara J. Crandall-Stotler (1942– )
- Crane, J Jocelyn Crane Griffin (1909–1998)
- Crane, JL (J.L.Crane) Joseph Leland Crane (1935– )
- Crane, MJ Marilyn Joyce Crane
- Crane, PE (P.E.Crane) Patricia E. Crane
- Crane, PR (P.R.Crane) Peter Robert Crane (1954– )
- Cranfill, R (Cranfill) Raimond Cranfill (fl. 1981)
- Cranston, PS Peter Scott Cranston (1950- )
- Crantz, HJN (Crantz) Heinrich Johann Nepomuk von Crantz (1722–1797)
- Crasquin, S Sylvie Crasquin
- Craveiro, SC (Craveiro) Sandra Carla Craveiro (1969– )
- Craven, LA (Craven) Lyndley Alan Craven (1945– )
- Craw, RC Robin C. Craw
- Crawford, AJ Andrew J. Crawford
- Crawford, DJ (D.J.Crawford) Daniel J. Crawford (1942– )
- Crawford, JC James Chamberlain Crawford
- Crawford, RM Richard M. Crawford
- Crawley, WC W. C. Crawley
- Crawshay, R Richard Crawshay (1862–1958)
- Crego, RD Ramiro D. Crego
- Creighton, WS William Steel Creighton (1902–1973)
- Cremers, G (Cremers) Georges Cremers (1936– )
- Crépin, F (Crép.) François Crépin (1830–1903)
- Crespo, AM (A.Crespo) Ana María Crespo de las Casas (1948– )
- Crespo, LC Luís C. Crespo
- Crespo, MB (M.B.Crespo) Manuel Benito Crespo (1962– )
- Crespon, J Jean Crespon
- Cressey, RF Roger F. Cressey (1930– )
- Cresson, ET Ezra Townsend Cresson (1838–1926)
- Cresson, ET, Jr. Ezra Townsend Cresson Jr. (1876–1948)
- Cretzoiu, P (Cretz.) Paul Cretzoiu (1909–1946)
- Cretzschmar, PJ Philipp Jakob Cretzschmar (1786–1845)
- Creutzer, C Christian Creutzer
- Creveld, MC (Creveld) Marijke Christina Creveld (1949– )
- Cribb, PJ (P.J.Cribb) Phillip James Cribb (1946– )
- Cribb, TH Thomas H. Cribb
- Crins, WJ William J. Crins (1955– )
- Crisci, JV (Crisci) Jorge Víctor Crisci (1945– )
- Crisp, MD (Crisp) Michael Douglas Crisp (1950– )
- Cristóbal, CL (Cristóbal) Carmen Lelia Cristóbal (1932– )
- Cristofolini, G (Cristof.) Giovanni Cristofolini (1939– )
- Critchfield, WB (Critchf.) William Burke Critchfield (1923–1989)
- Croat, TB (Croat) Thomas Croat (1938– )
- Crochet, P-A Pierre-André Crochet
- Croft, JR (J.R.Croft) James R. Croft (1951– )
- Croissandeau, J Jules Croissandeau (1843–1895)
- Croizat, LCM (Croizat) Léon Camille Marius Croizat (1894–1982)
- Crombie, JMM (Cromb.) James Mascall Morrison Crombie (1830–1906)
- Crompton, CW (Crompton) Clifford William Crompton
- Cron, GV (Cron) Glynis V. Cron (fl. 1994)
- Croneis, C Carey Croneis
- Cronin, TM Thomas M. Cronin
- Cronquist, AJ (Cronquist) Arthur Cronquist (1919–1992)
- Crookshank, EM (Crookshank) Edgar March Crookshank (1858–1928)
- Croom, HB (H.B.Croom) Hardy Bryan Croom (1797–1837)
- Crosa, O (Crosa) Orfeo Crosa (1945– )
- Crosby, CR Cyrus Richard Crosby (1879–1937)
- Crosby, MR (Crosby) Marshall Robert Crosby (1943– )
- Crosby, TK Trevor K. Crosby (1946– )
- Cross, NJ Norbert J. Cross
- Crosse, H Joseph Charles Hippolyte Crosse (1826–1898)
- Crossin, RS Richard S. Crossin
- Crosson du Cormier, A (Crosson du Cormier) Alain Crosson du Cormier
- Crosswhite, FS (Crosswh.) Frank Samuel Crosswhite (1940–2008)
- Crotch, GR George Robert Crotch (1842–1874)
- Crother, BI Brian I. Crother
- Crouan, H (H.Crouan) Hippolyte Marie Crouan (1802–1871)
- Crouan, P (P.Crouan) Pierre Louis Crouan (1798–1871)
- Crouch, NR (N.R.Crouch) Neil Robert Crouch (1967– )
- Crous, PW (Crous) Pedro Willem Crous (1963– )
- Crowden, RK (Crowden) Ronald K. Crowden
- Crowe, AA Anna A. Crowe
- Crowe, TM Timothy M. Crowe
- Crowell, RM Robert M. Crowell
- Crowson, RA Roy Albert Crowson (1914–1999)
- Crowther, MS Mathew S. Crowther
- Crozals, A André de Crozals (1861–1932)
- Crueger, H (Crueg.) Hermann Crueger (1818–1864)
- Cruickshank, ARI Arthur Richard Ivor Cruickshank
- Crum, EK (Crum) Ethel Katherine Crum (1886–1943)
- Crum, HA (H.A.Crum) Howard Alvin Crum (1922–2002)
- Crumb, SE Samuel Ebb Crumb
- Crundwell, AC (Crundw.) Alan Cyril Crundwell (1923–2000)
- Crusafont-Pairo, M Miquel Crusafont i Pairó (1910–1983)
- Crusio, W (Crusio) Wim Crusio (1954– )
- Cruz, A Aracely de la Cruz Pérez
- Cruz, CAG Carlos Alberto Gonçalves da Cruz
- Cruz, J Jorge de la Cruz
- Cruz, OG Oswaldo Gonçalves Cruz (1872–1911)
- Cruz-Bonilla, a Akeri Cruz-Bonilla
- Csiki, E Ernő Csiki (1875–1954)
- Csiki-Sava, Z Zoltán Csiki-Sava (1971–)
- Csorba, G Gábor Csorba
- Csuzdi, C Csaba Csuzdi
- Cuatrecasas, J (Cuatrec.) José Cuatrecasas (1903–1996)
- Cubas, P (Cubas) Paloma J.A. Cubas (fl. 1986)
- Cuervo, AM Andrés M. Cuervo
- Cueto Romero, M (Cueto) Miguel Cueto Romero (1955–)
- Cuevas, CC César C. Cuevas
- Cuevas-Figueroa, XM (Cuev.-Fig.) Xochitl Marisol Cuevas-Figueroa (fl. 2005)
- Cufodontis, G (Cufod.) Georg Cufodontis (1896–1974)
- Cuglianna, AM (Cuglianna) Ana Maria Cuglianna
- Cui, X Xiaolong Cui
- Culberson, CF (C.F.Culb.)) Chicita Frances Culberson (1931– )
- Culberson, WL (W.L.Culb.) William Louis Culberson (1929–2003)
- Culham, A (Culham) Alastair Culham (1965– )
- Cullen, J (Cullen) James Cullen (1936–2013)
- Culot, J Jules Culot (1861–1933)
- Culver, GB (Culver) George Bliss Culver (1875–1949)
- Cumbaa, SL Stephen L. Cumbaa
- Cumming, MS Meg S. Cumming
- Cummings, CE (C.E. Cumm.) Carlos Emmons Cummings (1878– )
- Cummins, GB (Cummins) George Baker Cummins (1904–2009)
- Cummins, HA ( H.A.Cummins) Henry Alfred Cummins (1864–1939)
- Cundall, D David Cundall
- Cunha, CN Catia Nunes da Cunha
- Cunha, MR Marina Ribeiro da Cunha
- Cunha, OR Osvaldo Rodrigues da Cunha
- Cunha-Dias, IPR (I.P.R.Cunha) Iane Paula Rego Cunha-Dias
- Cunliffe, F Frederick Cunliffe
- Cunningham, A (A.Cunn.) Allan Cunningham (1791–1839)
- Cunningham, GH (G.Cunn.) G.H. Cunningham (1892–1962)
- Cunningham, HB Hugh B. Cunningham
- Cunningham, JT Joseph Thomas Cunningham (1859–1935)
- Cunningham, MJ Michael J. Cunningham
- Cunningham, R (R.Cunn.) Richard Cunningham (1793–1835)
- Cunningham, RO Robert O. Cunningham (1841–1918)
- Ćurčić, BPM Božidar Petar Milorad Ćurčić (1946–2015)
- Curio, E Eberhard Curio (1932–2020)
- Curler, GR Gregory R. Curler
- Curoe, DJ (Curoe) Daniel J. Curoe
- Currah, RS (Currah) Randolph Sidney Currah (1954– )
- Curran, MK (Curran) Mary Katharine Curran (1844–1920)
- Curreli, S Salvatore Curreli (fl. 1992)
- Currie, PJ Philip John Currie (1949–)
- Curry, A Alan Curry
- Curtis, CH (C.H.Curtis) Charles Henry Curtis (1869–1958)
- Curtis, J John Curtis (1791–1862)
- Curtis, MA (M.A.Curtis) Moses Ashley Curtis (1808–1872)
- Curtis, W (Curtis) William Curtis (1746–1799)
- Curtiss, A Anthony Curtiss (1910–1981)
- Curzi, M (Curzi) Mario Curzi (1898–1944)
- Cushman, JA Joseph Augustine Cushman (1881–1949)
- Cushman, RA Robert Asa Cushman (1880–1957)
- Cusimano, N (Cusimano) Natalie Cusimano (fl. 2010)
- Cusset, C (C.Cusset) Colette Cusset (1944– )
- Cusson, P (Cusson) Pierre Cusson (1727–1783)
- Custer, JL (Custer) Jakob Laurenz Custer (1755–1828)
- Custis, P (Custis) Peter Custis (1781–1842)
- Cutak, L (Cutak) Ladislaus Cutak (1908–1973)
- Cutler, B Bruce Cutler
- Cutler, DF (D.F.Cutler) David Frederick Cutler (1939– )
- Cutler, EB Edward B. Cutler (1935–2006)
- Cutler, HC (H.C.Cutler) Hugh Carson Cutler (1912–1998)
- Cuvier, F (F.Cuvier) Frédéric Cuvier (1773–1838)
- Cuvier, G (Cuvier) Georges Cuvier (1769–1832)
- Cwikla, PS Paul S. Cwikla
- Czarnocki, AK Aleksandr Kazimirovich Czarnocki (1877–1934)
- Czarnocki, J Jan Czarnocki (1889–1951)
- Czarnota, P (Czarnota) Paweł Czarnota
- Czechura, GV Gregory Vincent Czechura (1953–)
- Czeczott, H (Czeczott) Hanna Czeczott (1888–1982)
- Czefranova, ZV (Czefr.) Z.V. Czefranova (1923– )
- Czeika, G (Czeika) Gerhard Czeika
- Czerepanov, SK (Czerep.) Sergei Kirillovich Czerepanov (1921–1995)
- Czerkas, SA Stephen A. Czerkas (1951–2015)
- Czernajew, VM (Czern.) Vassiliĭ Matveievitch Czernajew (1796–1871)
- Czerniakowska, EG (Czerniak.) Ekaterina Georgiewna Czerniakowska (1892–1942)
- Czerniavsky, V Voldemar Czerniavsky (1846–1915)
- Czernova, NM (Czernova) Nina Mikhailovna Czernova (1901–?)
- Czerny, L Leander Czerny (1859–1944)
- Czerwiakowski, IR (Czerw.) Ignacy Rafał Czerwiakowski (1808–1882)
- Czetz, A (Czetz) Anton Czetz (fl. 1801–1865)
- Czevrenidi, SKh (Czevr.) Sofokl Kharlampievich Czevrenidi (1911–?)
- Czwalina, G Gustav Czwalina (1841–1894)