Hardy
The taxon authority Hardy may refer to:
- Alfred Douglas Hardy (1870–1958; A.D.Hardy), Australian amateur phycologist
- Alan Ross Hardy U.S. entomologist
- Dilbert Elmo Hardy (1914–2002), U.S. entomologist
- George Hudleston Hurlstone Hardy (1882–1966), Australian entomologist
- Graham S. Hardy, New Zealander ichthyologist
- James Hardy (1815–1898), Scottish naturalist and antiquarian
- Jerry David Hardy, Jr., herpetologist
- John Hardy (1817–1884; Hardy), botanist
- Laurence McNeil Hardy, U.S. herpetologist
- Martin Hardy, Quebecois entomologist
- Nate B. Hardy, American entomologist