Bertrand
The taxon authority Bertrand may refer to:
- André Bertrand (fl. 1956, A.Bertrand), French botanist
- Arnaud Bertrand, French carcinologist
- Charles Bertrand Schultz (1908–1995), U.S. palaeontologist
- Charles Eugène Bertrand (1851–1917, C.E.Bertrand), French botanist and palaeobotanist
- Henri Bertrand (1892–1972), French entomologist
- Michel Bertrand (born 1948, fl. 1964, M.Bertrand), French botanist
- Léon Bertrand (1869–1947), French geologist
- Paul Charles Édouard Bertrand (1879–1944, P.Bertrand), French paleobotanist