Hello Down There
- År: 1969
- Land: United States of America
- Genre: Komedi, Music, Science Fiction
- Studio: Paramount Pictures, Ivan Tors Productions
- Nyckelord: underwater
- Direktör: Jack Arnold, Ricou Browning
- Kasta: Tony Randall, Janet Leigh, Ken Berry, Roddy McDowall, Charlotte Rae, Richard Dreyfuss