Pianissimo is a term in music dynamics meaning "to be played very softly."
Pianissimo may also refer to:
Pianissimo, a 1990 album by Suzanne Ciani Pianissimo, a part of the Requiem trilogy by Virgin Black
See also Giuoco Pianissimo, a chess opening Pianissimo Peche, a brand of Japanese cigarettes made by Japan Tobacco Now Pianissimo, an album in the Now That's What I Call Music! series