Nash
The taxon authority Nash may refer to:
- Darius Nash Couch (1822–1897), U.S. naturalist
- David R. Nash (fl. 2004), entomologist
- Dorothy Nash Gibson (1921–2012, D.N.Gibson) = Dorothy L. Nash (fl. 1970; D.L.Nash), U.S. botanist
- George Valentine Nash (1864–1921, Nash), U.S. botanist
- R.C. Nash (fl. 1976, R.C.Nash), botanist
- Stephen D. Nash (fl. 2014), U.S. primatologist
- Thomas Hawkes Nash III (born 1945, T.H.Nash), U.S. lichenologist