Gray Lady Down
- Tahun: 1978
- Negara: United States of America
- Genre: Thriller, Drama, Action
- Studio: Universal Pictures, The Mirisch Company
- Kata kunci: rescue, drowning, based on novel or book, submarine, disaster, underwater, disaster movie, collision
- Pengarah: David Greene
- Pelakon: Charlton Heston, David Carradine, Stacy Keach, Ned Beatty, Stephen McHattie, Ronny Cox