The taxon authority Cannon may refer to:
- Charles Harvey Cannon (born 1965, C.H.Cannon), U.S. botanist and anthropologist
- John Francis Michael Cannon (1930–2008, Cannon), British botanist
- Herbert Graham Cannon (1897–1963), British zoologist specialized in ichthyology and ostracodology
- Lester R.G. Cannon, Australian helminthologist.
- Margaret Joy Cannon (1928–2002, M.J.Cannon), botanist
- Paul Francis Cannon (born 1956, P.F.Cannon), botanist