Olivério Mário de Oliveira Pinto (11 March 1896 – 13 June 1981) was a Brazilian zoologist and physician.
[2] Returning to São Paulo in 1921, Pinto settled in Araraquara and started to work as a physician, founding and directing the first laboratory of clinical analyses in the region.
[2] Pinto started to produce technical drawings for the zoologist Afrânio do Amaral who was at the time the director of the Instituto Butantan.
[2] At the age of 85, Pinto traveled to Águas de São Pedro with his family and started to feel sick.
Pinto's main work was the Catálogo das Aves do Brasil (Brazil's Catalog of Birds), published between 1938 and 1944 in two volumes with a total of 1266 pages.