Quarteto Novo was a group formed in São Paulo, Brazil in 1966 which released one landmark instrumental album and launched the careers of some of the band's members.

[2] Originally named Trio Novo, the group consisted of Theo de Barros (bass and guitar); Heraldo do Monte (Viola caipira and guitar) and Airto Moreira (percussion).

With the arrival of flutist Hermeto Pascoal, the group was renamed Quarteto Novo.

In that same year, the band backed Edu Lobo on the live performance of Ponteio, which won "Best Song" at the 3rd Festival de Música Popular Brasileira (MPB).

[4] The band toured Brazil backing Vandré on his 1968 album Canto Geral.