Adelmar Faria Coimbra-Filho (June 4, 1924 – June 27, 2016) was a Brazilian biologist and primatologist. He is a pioneer in studies of and conservation of lion tamarins. He is founder and Former Director of the Rio de Janeiro Primate Centre. Coimbra Filho's titi is named after him.
Coimbra-Filho was born in Fortaleza. He began his career in 1947. He rediscovered the black lion tamarin, and assisted in conservation of the golden lion tamarin through a zoo-based breeding program in collaboration with Devra G. Kleiman.
His awards and honors include the Augusto Ruschi Award from the Brazilian Academy of Sciences.