Simpson

The taxon authority Simpson may refer to:

• Alastair Geoffrey Brinley Simpson (born 1973, A.G.B.Simpson), Canadian microbiologist, and protistologist
• Beryl Brintnall Simpson (born 1942, B.B.Simpson), botanist
• Charles Edmond Simpson (born 1940, C.E.Simpson), botanist
• Charles Torrey Simpson (1846–1932; Simpson), U.S. botanist
• David Alan Simpson (born 1955, D.A.Simpson), botanist
• Donald Ray Simpson (born 1932, D.R.Simpson), U.S. botanist
• George Gaylord Simpson (1902–1984), U.S. paleontologist
• George Simpson (1880–1952, G.Simpson), botanist
• Jack A. Simpson (born 1941, J.A.Simpson), Australian mycologist
• James Jenkins Simpson (1881–1936), British entomologist and marine biologist
• Michael George Simpson, M.G.Simpson, botanist
• Paul J. Simpson, Irish microbiologist
• Phillip D. Simpson, P.D.Simpson, phycologist
• Richard K. Simpson, ornithologist