Yellow Jack
- Año: 1938
- País: United States of America
- Género: Drama, Historia, Misterio, Romance, Bélica
- Estudio: Metro-Goldwyn-Mayer
- Palabra clave: guinea pig, medical research, selfless service, scientific experiment
- Director: George B. Seitz
- Emitir: Robert Montgomery, Virginia Bruce, Lewis Stone, Andy Devine, Henry Hull, Charles Coburn