May
The taxon authority May may refer to:
- Alan Walter Sydney May (1916–1966), Australian entomologist
- Brenda May (1917–1998), New Zealand entomologist
- Eduard May (1905–1956), German entomologist
- Edward George Last May, Brazilian entomologist (Lepidoptera)
- Henry Gustav May (1886–1926), U.S. zoologist, parasitologist
- Michael L. May (1946–2023), U.S. entomologist (Odonata)
- Philip F. May (fl. 1997, P.F.May), U.S. lichenologist
- Raoul Michel May, tardigradologist
- Rudolf von May, U.S. herpetologist and tropical biologist
- Susan Julie May, British entomologist
- Thomas William May (fl. 1992, T.W.May), Australian mycologist
- Valerie May (1916–2007; V.May), Australian phycologist
- Walther May (1868–1926), German zoologist