João Bosco de Freitas Mucci, better known as João Bosco is a noted Brazilian singer-songwriter with a distinctive style as a guitarist. In the 1970s he established his reputation in MPB alongside collaborator lyricist Aldir Blanc.

Born on July 13, 1946, in Ponte Nova, Minas Gerais, João Bosco's profession was engineering when he moved to Rio de Janeiro, where his songs were also recorded by Elis Regina and were a success. He soon became admired as a versatile vocalist and a dynamic performer. João Bosco has been noted for "his singular fusion of Arab culture, Afro-American music and Brazilian styles bossa nova," influenced by American jazz.