Clube Atlético Guaçuano, commonly known as Guaçuano, is a currently inactive Brazilian football club based in Mogi Guaçu, São Paulo state.

The club was founded on February 26, 1929.

[1] They competed for the first time in a professional competition in 1975, when they participated in the Campeonato Paulista Série A3, replacing Grêmio Guaçuano.

Clube Atlético Guaçuano play their home games at Estádio Municipal Alexandre Augusto Camacho.

[1] The stadium has a maximum capacity of 5,594 people.