Look up seahorse or seahorses in Wiktionary, the free dictionary.

A seahorse is a marine fish belonging to the genus Hippocampus.

Seahorse or seahorses may also refer to:

Science and technology

• Hippopotamus, which was often called a seahorse in the mid-nineteenth century
• Seahorse (software), a GPG front-end application for GNOME

Arts and entertainment

• The Seahorses, a British rock band
• The Sea Horse, a 1974 off-Broadway play by Edward J. Moore; see Royal Manitoba Theatre Centre production history
• "Seahorses", an episode of the television series Teletubbies
• Sea Horse Baian, a fictional character in the manga Saint Seiya (aka Knights of the Zodiac)

Military

• USS Seahorse, several United States Navy ships
• HMS Seahorse, several Royal Navy ships
• F. F. E. Yeo-Thomas (1902–1964), S.O.E. operative had "SEAHORSE" as a code name during World War II
• Seahorse, various versions of the Sikorsky H-34 military helicopter
• Sea Horse, a merchant ship in the wrecking of the Sea Horse, Boadicea and Lord Melville in 1816

Transport

• Seahorse (HBC vessel, 1734), operated by the HBC from 1734-1764, see Hudson's Bay Company vessels
• Seahorse (HBC vessel, 1765), operated by the HBC from 1765-1781, see Hudson's Bay Company vessels
• Seahorse (HBC vessel, 1782), operated by the HBC from 1782-1792, see Hudson's Bay Company vessels

Other uses

• Hippocampus (mythology) or sea-horse, a mythological creature depicted as a horse in its forepart with a fish-like hindquarter
• Sea Horse (restaurant), a restaurant in Helsinki, Finland
• King George V Seahorses, a set of British postage stamps

See also

• Walrus
• Battle of Mount Austen, the Galloping Horse, and the Sea Horse, an engagement between United States and Imperial Japanese forces
• Water horse, any of several mythical creatures