The Cruel Sea
- År: 1953
- Land: United Kingdom
- Sjanger: Drama, History, War
- Ettromsleilighet: Ealing Studios, Michael Balcon Productions
- Nøkkelord: sea, submarine, atlantic ocean, world war ii, naval officer, commander, royal navy, sinking ship, naval warfare, battle of the atlantic
- Regissør: Charles Frend
- Cast: Jack Hawkins, Donald Sinden, Denholm Elliott, John Stratton, Stanley Baker, Liam Redmond