"O Mulato" is a play written by the Brazilian author Aluísio Azevedo in 1881. It explores themes of race, identity, and social class in Brazil during the late 19th century. The story revolves around the character Rosa, a mixed-race woman, and her struggles against societal prejudice and her desire for acceptance. The play is significant for its realistic portrayal of the complexities of race relations in Brazil. It highlights the challenges faced by individuals of mixed heritage, reflecting the broader issues of slavery and colonialism in Brazilian society. "O Mulato" is considered an important work in Brazilian literature.