Thunder
- År: 1929
- Land: United States of America
- Sjanger: Drama
- Ettromsleilighet: Metro-Goldwyn-Mayer
- Nøkkelord: train, silent film, flood, lost film, train engineer
- Regissør: William Nigh
- Cast: Lon Chaney, Phyllis Haver, James Murray, Tom Keene, Frances Morris
