Barbosa
The taxon authority Barbosa may refer to:
- Alda Ferreira Barbosa (fl. 1971; A.F.Barbosa), Brazilian botanist
- Altamiro Barbosa Pereira (Barb.Per.), botanist
- Catarina Barbosa (19..–; Cat.Barbosa), Portugalian palaeobotanist
- César Barbosa (born 1954; C.Barbosa), Colombian botanist
- Clevia Barbosa, Brazilian entomologist
- Eduardo Proença Barbosa, Brazilian entomologist
- Felipe Francisco Barbosa, Brazilian entomologist
- João Barbosa Rodrigues (1842–1909; Barb.Rodr.), Brazilian botanist and naturalist
- José Etham de Lucena Barbosa, Brazilian ichthyologist
- Julianna Freires Barbosa, Brazilian entomologist
- Lucas F.L. Barbosa, entomologist
- Lucineia L. Barbosa, helminthologist
- Luis Augusto Grandvaux Barbosa (1914–1983, Barbosa), botanist
- Maria Anaïs Barbosa, Brazilian ichthyologist
- Maria Silvanira R. Barbosa, herpetologist
- Octavio Barbosa (1907–1997; O.Barbosa), Brazilian palaeobotanist
- Rodrigo Rendeiro Barbosa, Brazilian entomologist
- Vanio Perazzo Barbosa (V.P.Barbosa), botanist.