Fair Warning
- År: 1937
- Land: United States of America
- Sjanger: Mystery
- Ettromsleilighet: 20th Century Fox
- Nøkkelord: sheriff, murder, chemist, modern west, manhunt
- Regissør: Norman Foster
- Cast: J. Edward Bromberg, Betty Furness, John Payne, Victor Kilian, Bill Burrud, Gavin Muir