Williams
The taxon authority Williams may refer to:
- Alan Williams (fl. 1999), Australian ichthyologist
- Alexander R. Williams (fl. 2007, A.R.Williams), botanist
- Allen D. Williams (fl. 1977), helminthologist
- Alwyn Williams (1921–2004), British geologist and palaeontologist
- Andrew A.E. Williams (fl. 2016), Australian entomologist
- Austin Beatty Williams (1919–1999), U.S. carcinologist
- Becky L. Williams (fl. 2005), herpetologist
- Benjamin Samuel Williams (1824–1890, B.S.Williams), English botanist
- Blythe Anne Williams, U.S. palaeontologist and primatologist
- Bronwyn W. Williams (fl. 2017), U.S. ostracodologist
- Cameron B. Williams (fl. 2008, C.B. Williams), botanist
- Carroll Milton Williams (1916–1991, C.M.Williams), U.S. entomologist
- Daniel F. Williams (fl. 1978), U.S. mammalogist
- Dean A. Williams (fl. 2016), U.S. herpetologist
- Douglas John Williams (1924–), British entomologist
- Elizabeth W. Williams (fl. 1957, E.W.Williams), botanist
- Ernest Edward Williams (1914–1998), U.S. herpetologist
- Ernest H. Williams (fl. 2016), helminthologist
- Francis Xavier Williams (1882–1967), U.S. entomologist
- Frederic Newton Williams (1862–1923, F.N.Williams), British botanist
- Gary C. Williams (fl. 2012), U.S. cnidariologist
- Geoff Williams (fl. 2002), entomologist
- Hartford Williams (fl. 1966), helminthologist
- Iolo Aneurin Williams (1890–1962, I.A.Williams), British botanist
- Jack E. Williams (fl. 1981), ichthyologist
- James D. Williams (fl. 1991), ichthyologist
- Jason D. Williams (fl. 2013), U.S. carcinologist
- Jason L. Williams (fl. 2016), U.S. entomologist
- Jeffrey T. Williams (fl. 2002), U.S. ichthyologist
- John Beaumont Williams (1932–2005, J.B.Williams), Australianbotanist
- John George Williams (1913–1997), British ornithologist
- John Rhys Williams (1925–2017), British entomologist
- Jorge Daniel Williams (fl. 1984), Argentinian herpetologist
- Judith L. Williams (fl. 2002), carcinologist
- Justin Kirk Williams (fl. 1994), U.S. botanist
- Kelly P. Williams (fl. 2013), microbiologist
- Kenneth Lee Williams (1934–2017), U.S. herpetologist
- Kevin Andrew Williams (fl. 2012), U.S. entomologist
- Kirstin Williams (fl. 2014), South African entomologist
- Kyle Joseph Williams (born 1973, K.J.Williams), botanist
- Llewelyn Williams (1901–1984, Ll.Williams), U.S. botanist
- Louis Otho Williams (1908–1991, L.O.Williams), U.S. botanist
- Margot Williams (fl. 1984, M.Williams), U.S. botanist
- Mark Williams (fl. 2004), ostracodologist
- Mark C. Williams (fl. 2007), South African lepidopterist
- Mark L. Williams (fl. 2006, M.L.Williams), botanist
- Marvin C. Williams (fl. 1984, M.C.Williams), botanist
- Matthew R. Williams, entomologist
- Michael E. Williams (fl. 1985), palaeontologist
- Morris D. Williams (fl. 1982), U.S. ornithologist
- N. Sandra Williams, U.S. biologist
- Paul H. Williams (fl. 1994), British entomologist
- R. Anthony D. Williams (fl. 1984), English biochemist
- Robert Orchard Williams (1891–1967, R.O.Williams), British botanist
- Robert Statham Williams (1859–1945, R.S.Williams), U.S. botanist
- Robert Williams (fl. 1992, R.Williams), mycologist
- Roswell Carter Williams, Jr. (1869–1946), U.S. entomologist
- Samuel Williams (ca. 1898–1965, S.Williams), Australian botanist
- Samuel Williams (botanist, 1743–1817) (1743–1817, Williams), botanist
- Stanley C. Williams (fl. 1968), U.S. arachnologist
- Stephen Lory Williams (1948–2018), U.S. mammalogist
- Susan Alix Williams (1957– , S.A.Williams), U.S. botanist
- Suzanne T. Williams (fl. 2016), British malacologist
- Thomas Albert Williams (1865–1900, T.A.Williams), botanist
- T.D. Williams, nematologist