Look up submarine in Wiktionary, the free dictionary.

A submarine is a specialized watercraft that can operate underwater.

Submarine may refer to:

• Submarine sandwich, on a long roll split lengthwise
• The Submarine (shark), large and aggressive Great White dwelling in False Bay, near Cape Town, South Africa
• Submarine (song) is a song of Björk on her album Medulla.
• Submarine (baseball), a way of pitching the ball.
• Submarine (Rugrats episode) is a Rugrats episode.
• Submarine (band), the UK band.
• The Submarines, an American indie rock band on Nettwerk.

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