Ruthless
- År: 1948
- Land: United States of America
- Genre: Drama, Thriller
- Studio: Arthur S. Lyons Productions, Eagle-Lion Films (US)
- Nøgleord: film noir, philanthropist
- Direktør: Edgar G. Ulmer
- Cast: Zachary Scott, Louis Hayward, Diana Lynn, Sydney Greenstreet, Lucille Bremer, Martha Vickers