Duetto may refer to:
Music Compositions Duetto, fugue for violin and oboe Edward Elgar Duetto, for chamber ensemble by Rossini No. 6 Andante con moto in A-flat major from Op. 38 Songs Without Words book 3 by Felix Mendelssohn Duetto per Violoncello e Contrabasso, by Gioachino Rossini (1824) Duetto, for strings by William Blezard (1921-2003) Duetto, several compositions by Wilhelm Friedemann Bach
Band Duetto (duo), formed 2017
Albums Duetto, a 2003 recital album by Marcelo Álvarez and Salvatore Licitra Duetto, album by Mina Mazzini and Lucio Battisti
Other Duetto, Alfa Romeo Spider Duetto (manga)