Mário Xavier de Andrade Pedrosa (25 April 1900 – 5 November 1981) was a Brazilian art and literary critic, journalist and political activist.

[1] Initially affiliated with the Brazilian Communist Party, he was expelled in 1929 because of his relationship with the Trotskyist movement.

On January 21, 1931, together with Lívio Xavier, Fúlvio Abramo, Aristides Lobo and Benjamin Péret he founded the Communist League related to the International Left Opposition.

[2] Pedrosa was a regular critic for Correio da Manhã (1945–1951) and later for Jornal do Brasil (1957).

[4] Mário Pedrosa died in November 1981 after suffering from cancer for years and was buried at the Cemitério de São João Batista.