Hart
The taxon authority Hart may refer to:
- Charles Willard Hart (fl. 1960), ostracodologist
- Elwood R. Hart (fl. 2016), entomologist
- Hendrik 't Hart (1944–2000; 't Hart), Dutch botanist
- Henry Chichester Hart (1847–1908; Hart), Irish botanist
- J.M. Hart (fl. 1998; J.M.Hart), botanist
- John A. Hart (fl. 2012), primatologist
- Josephine F.L. Hart (fl. 1965), carcinologist
- Maarten 't Hart (1944–), Dutch biologist
- Malcolm B. Hart (fl. 2014), British palaeontologist
- Robbie Hart (fl. 2015), U.S. ichthyologist
- Terese B. Hart (fl. 2012), primatologist