The Onion Field
- Taon: 1979
- Bansa: United States of America
- Genre: Crime, Drama
- Studio: Black Marble Productions, AVCO Embassy Pictures
- Keyword: cop-killer, based on true story, police officer killed, capital punishment, in the closet
- Direktor: Harold Becker
- Cast: John Savage, James Woods, Franklyn Seales, Ted Danson, Ronny Cox, David Huffman