A porpoise is a marine mammal of the family Phocoenidae.

Look up porpoise in Wiktionary, the free dictionary.

Porpoise may also refer to:

• Dolphin or dolphin-like marine mammal, previously used in American English
• Porpoise (scuba gear), a trade name for scuba gear developed by Ted Eldred in Australia
• Porpoise class submarine (disambiguation), various classes of British or United States submarines
• HMS Porpoise, several British Royal Navy ships
• USS Porpoise, several United States Navy ships
• Karry Porpoise, a Chinese electric commercial van
• President Porpoise, a character in the animated series Adventure Time episode "President Porpoise Is Missing!"

• Porpoising, a fault encountered in ground effect racing cars

This disambiguation page lists articles associated with the title Porpoise.
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