Grass: A Nation's Battle for Life
- År: 1925
- Land: United States of America
- Genre: Dokumentär
- Studio: Merian C. Cooper and Ernest Schoedsack, Paramount Pictures
- Nyckelord: migration, mountain pass
- Direktör: Ernest B. Schoedsack, Merian C. Cooper
- Kasta: Merian C. Cooper, Ernest B. Schoedsack, Marguerite Harrison, Haidar Khan, Lufta