Rees
The taxon authority Rees may refer to:
- Abraham Rees (1743–1825, Rees), Welsh botanist, compiler of Rees's Cyclopædia
- Bertha Rees (1879 -1957, B.Rees), botanist
- David John Rees, carcinologist
- Jan Rees, palaeontologist
- John D. Rees (fl. 1983, J.D.Rees), botanist
- Paul Rees (fl. 2016; P.Rees), botanist
- Robert Rees Harry (born 1925), ichthyologist, later published as Robert R. Rofen, also Robert R. Harry-Rofen
- William James Rees (1913–1967), British zoologist.