Nash
The taxon authority Nash may refer to:
- David R. Nash, entomologist
- Dorothy Nash Gibson aka Dorothy L. Nash (fl. 1970; D.L.Nash), botanist
- George Valentine Nash (1864–1921, Nash), U.S. botanist
- R.C. Nash (fl. 1976), botanist
- Stephen D. Nash, U.S. primatologist
- Thomas Hawkes Nash III (born 1945, T.H.Nash), U.S. lichenologist