Killer Instinct
- annos singulos: 1988
- Patriam: Philippines, United States of America
- genus: Drama, War
- Studio: Eastern Film Management Corporation
- keyword: vietnam war, vietnam veteran, mission, philippines, special forces
- Director: Cirio H. Santiago
- cast: Robert Patrick, Robert Dryer, William Steis, Morgan Douglas, Lydie Denier, Joe Mari Avellana