Bayer
The taxon authority Bayer may refer to:
- Clemens Bayer (born 1961, C.Bayer), botanist
- Ehrentraud Bayer (born 1953, Ehr.Bayer), German botanist
- František Bayer
- Frederick M. Bayer (1921–2007), U.S. cnidariologist
- Johann Nepomuk Bayer (1802–1870, Bayer), botanist
- Manfred Bayer (M.Bayer), botanist
- Randall James Bayer (born 1955, R.J.Bayer), U.S. botanist
- Steffen Bayer, German arachnologist