Impromptu is a musical form or genre.
Impromptu may also refer to:
Films Impromptu (1932 film), a comedy short starring Richard Bird and Florence Desmond Impromptu (1991 film), a movie starring Hugh Grant as Chopin Impromptu (2013 film), a Canadian animated short film by Bruce Alcock
Music Impromptu (June Christy album), a 1977 album by June Christy Impromptu (Billy Taylor album), a 1962 album by jazz pianist Billy Taylor Impromptu (Sibelius), a choral composition Impromptus (Schubert) "Impromptu", a song by Beggars Opera from the album Waters of Change, 1971
Other uses Impromptu (programming environment), a Scheme-based live programming environment Impromptu speaking Impromptu, a 1923 novel by Elliot Paul