Quartetto Cetra (Italian for Cithara Quartet) is an Italian vocal quartet established during the 1940s.

The group originated from the previous Quartetto Ritmo following the replacement of one singer. Felice Chiusano filled the vacancy left by Enrico Gentile and joined Tata Giacobetti, Virgilio Savona and Enrico De Angelis in the quartet's line-up. Quartetto Cetra debuted in a radio review titled Riepilogando in 1941.