Yellow Jack
- Ano: 1938
- País: United States of America
- Xénero: Drama, History, Mystery, Romance, War
- Estudo: Metro-Goldwyn-Mayer
- Palabra clave: guinea pig, medical research, selfless service, scientific experiment
- Director: George B. Seitz
- Reparto: Robert Montgomery, Virginia Bruce, Lewis Stone, Andy Devine, Henry Hull, Charles Coburn