Frank
The taxon authority Frank may refer to:
- Albert Bernhard Frank (1839–1900, A.B.Frank), German botanist
- David Frank, entomologist
- Erna Frank (1918–2008, E.Frank), British-German botanist
- Gerhard R. W. Frank (G.Frank), German botanist
- Gerhart Frank (fl. 1992, Gerhart Frank), Austrian botanist
- J. Howard Frank, entomologist
- Jana Frank (J.Frank), biologist
- Jonathan L. Frank (fl. 2007, J.L.Frank), mycologist
- Joseph C. Frank (1782–1835, Frank), botanist
- K.A. Frank (K.A.Frank), botanist
- M. Frank (M.Frank), phycologist
- Norman Frank, herpetologist
- Ronald Frank (1918–2005, R.Frank), British botanist