Brewer
The taxon authority Brewer may refer to:
- James Alexander Brewer (1818-1886; Brewer), American botanist
- Philippa Brewer, British zoologist
- Steven W. Brewer (fl. 2016; S.W.Brewer), botanist
- Thomas Mayo Brewer (1814 1880), American naturalist, specializing in ornithology and oology.
- William Henry Brewer (1828–1910; W.H.Brewer), American botanist