Submariner

Submariner may refer to:
 * A sailor who is a crew member of a submarine
 * A baseball pitcher who pitches with an underhand motion
 * Namor the Sub-Mariner, a character appearing in comic books published by Marvel Comics
 * Rolex Submariner, a Rolex diving watch model
 * Submariner (album), a 2003 album by experimental-rock band The Dead Science
 * "Submariner", a song by Helen Marnie from the 2013 album Crystal World