Otto is the mononym used by Otto Maximiliano Pereira de Cordeiro Ferreira, a Brazilian singer, composer and percussionist from Pernambuco, Brazil. Born in 1968, he is associated with Brazilian, South American and world music.

He is known for his membership of Mundo Livre S/A, where he serves as drummer from 1984 to 1996. The name also appears in other contexts, but Otto refers here to the Brazilian solo artist connected with percussion, composition and singing.