Blackmail
- Tahun: 1939
- Negara: United States of America
- Genre: Crime, Drama, Thriller
- Studio: Loew's Incorporated, Metro-Goldwyn-Mayer
- Kata kunci: gangster, chain gang
- Pengarah: H. C. Potter
- Pelakon: Edward G. Robinson, Ruth Hussey, Gene Lockhart, Bobs Watson, Guinn "Big Boy" Williams, John Wray