Sub Down
- År: 1997
- Land: United States of America, Luxembourg
- Genre: Drama, Action, Thriller
- Studio: Trimark Pictures, Muraglia/Sladek Filmworks, The Carousel Picture Company, USA Pictures
- Nyckelord: submarine, u.s. navy
- Direktör: Alan Smithee, Gregg Champion
- Kasta: Stephen Baldwin, Gabrielle Anwar, Tom Conti, Chris Mulkey, Tony Plana, Joe Dain