Istanbul
- Annu: 1957
- Paese: Turkey, United States of America
- Genre: Crime, Drama, Romance, Thriller
- Studio: Universal International Pictures
- Parolla chjave: diamond, flashback, adventurer, color film noir
- Direttore: Joseph Pevney
- Cast: Errol Flynn, Cornell Borchers, John Bentley, Torin Thatcher, Leif Erickson, Peggy Knudsen