Hennessy
- Jier: 1975
- Lân: United Kingdom, United States of America
- Sjenre: Thriller, Drama, Action
- Studio: American International Pictures
- Keyword: revenge, ira (irish republican army), war hero, assassination plan
- Direkteur: Don Sharp
- Cast: Rod Steiger, Lee Remick, Richard Johnson, Trevor Howard, Peter Egan, Eric Porter