Roberto Donoso-Barros (October 5, 1921 – August 2, 1975) was a Chilean zoologist, naturalist, and herpetologist.

[3] He also worked at the Universidad de Oriente in Venezuela, and at the Smithsonian Institution in the United States.

[4] Donoso-Barros was awarded the Abate Molina Prize by the Chilean Academy of Sciences in 1966.

However, in his obituary, Jaime Péfaur only mentions 6 children, namely Constanza, Roberto, Paulina, Marcela, Valeria and Cecilia.

[2] Péfaur did not mention his son Alvaro, after which Donoso-Barros named one species, Pristidactylus alvaroi,[7] as he dedicated names to all his other children (except Roberto), namely Donoso-Barros is the grandfather of Gaspar Domínguez Donoso (son of his daughter Valeria)[9] and of Chilean-British herpetologist Daniel Pincheira-Donoso.