The Cruel Sea refers to more than one thing: *The Cruel Sea (book) is a 1951 novel by Nicholas Monsarrat. *The Cruel Sea (film) is a film made of the above book, starring Jack Hawkins. *The Cruel Sea (band) is an Australian indie rock band formed in the 1980s. *"The Cruel Sea (song)", a 1960s guitar instrumental, and UK hit by the band The Dakotas (written by their guitarist Mike Maxfield). It was subsequently recorded by US group The Ventures.