Illegal
- Blwyddyn: 1955
- Gwlad: United States of America
- Genre: Crime, Drama
- Stiwdio: Warner Bros. Pictures
- Allweddair: court, gangster, self-defense, based on play or musical, crooked lawyer, film noir, capital punishment, district attorney, goon, trial lawyer, courtroom drama, innocent man, defense lawyer
- Cyfarwyddwr: Lewis Allen
- Cast: Edward G. Robinson, Nina Foch, Hugh Marlowe, Jayne Mansfield, Albert Dekker, Howard St. John