The taxon authority (de) Oliveira may refer to:

• Andreza S. Oliveira, ichthyologist
• Anibal Ramadan Oliveira, acarologist
• Arley Faria José de Oliveira, entomologist
• Bruno Garcia de Oliveira, Brazilian entomologist
• Carlos Alexandre Miranda Oliveira, Brazilian ichthyologist
• Caroline Silva Neubern de Oliveira, entomologist
• Cláudio de Oliveira, Brazilian ichthyologist
• Cléo D.C. Oliveira, malacologist
• D.R. Oliveira, entomologist
• Daniel C. Oliveira, acarologist
• Danilo E. Oliveira, entomologist
• Edivar Heeren de Oliveira, entomologist
• Elaine Cristina da Silva Oliveira, Brazilien herpetologist
• Elciomar Araújo de Oliveira, herpetologist
• Elliott Centeno de Oliveira, entomologist
• Eugênio E. Oliveira, entomologist
• Eurico Cabral de Oliveira, phycologist
• Everton F. Oliveira, ichthyologist
• Fábio Gonçalves De Lima Oliveira, entomologist
• Favízia Freitas de Oliveira, entomologist
• Felipe A. Oliveira, botanist
• Gustavo D. Oliveira, ichthyologist
• Ivo de Sena Oliveira, zoologist
• João V.L.C. Oliveira, entomologist
• Jader de Oliveira, entomologist
• Jomara Cavalcante de Oliveira, biologist, also published as Joao Oliveira
• Jônnata Fernandes de Oliveira, Ichthyologist
• Lazaro Araújo de Oliveira, Entomologist
• Letícia A. de Oliveira, entomologist
• Luciano Elias Oliveira, herpetologist
• Luiz Fernando M. Oliveira, arachnologist
• Marcio Luiz de Oliveira, entomologist
• Marcus Paulo Alves de Oliveira, carcinologist
• Maria Ermelinda do Espírito Santo Oliveira, arachnologist
• Mariana C. Oliveira, phycologist
• Marianna Isabella Rosa Rodrigues de Oliveira, herpetologist
• Otto M.P. Oliveira, cnidariologist
• Renan Manoel de Oliveira, Brazilian herpetologist
• Renildo R. de Oliveira, Brazilian ichthyologist
• Sarah Siqueira Oliveira, Brazilian entomlogist
• Seixas Rezende Oliveira - Brazilian herpetologist
• Veronica Maria De Oliveira, Brazilian annelidologist