Powell
The taxon authority Powell may refer to:
- Alexis F.L.A. Powell, U.S. ornithologist
- Andy T. Powell (fl. 1995, A.T.Powell), botanist
- Arthur William Baden Powell (1901–1987), New Zealander malacologist
- Chanté Powell, entomologist
- Charles Bruce Powell (1943–1998), Canadian zoologist
- Charles Wesley Powell (1854–1927, C.W.Powell), U.S. botanist
- Edwin C. Powell, U.S. parasitologist
- Gareth S. Powell, U.S. entomologist
- Jaime Eduardo Powell (1953–2016), Argentinian paleontologist
- Jerry Allen Powell, U.S. entomologist
- John Wesley Powell (1834–1902, J.W.Powell), U.S. botanist
- Llewellyn Powell, New Zealander arachnologist
- Martha Jane Powell (1948–2023, M.J.Powell), U.S. mycologist and phycologist
- Michael Powell, Australian entomologist
- Richard Powell (fl. 1809, R.Powell) botanist
- Robert Powell (1948–), U.S. herpetologist
- Robyn Faye Powell (fl. 2013, R.F.Powell), South African botanist
- Thomas Powell (1809–1887, Powell), British botanist