Knock-out
- År: 1949
- Land: United States of America
- Genre: Drama, Kriminal
- Studio: RKO Radio Pictures
- Nyckelord: transporter, sports, gambling, boxer, film noir, boxing
- Direktör: Robert Wise
- Kasta: Robert Ryan, Audrey Totter, George Tobias, Alan Baxter, Wallace Ford, Percy Helton