Look up Hydra , hydra in Wiktionary, the free dictionary. Hydra may refer to: Lernaean Hydra, a mythological many-headed serpent Hydra, Saronic Islands, one of the Saronic Islands of Greece Hydra (constellation), the largest of the modern star constellations Hydra (moon), a satellite of Pluto Hydra (genus), a genus of simple fresh-water animals __TOC__

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Society

• Hydra, Saronic Islands, a Greek island
• Hydra, Algeria, a city
• The Hydra , a literary magazine once edited by Wilfred Owen
• Hydra the Revenge, a roller coaster at Dorney Park
• Hydra Network, an internet advertising company

Technology

• Hydra (chess), a chess computer
• Hydra class frigate, the name of a frigate class of the Hellenic Navy
• Greek battleship Hydra, a Hellenic Navy pre-dreadnought battleship
• Hydra (operating system)
• Hydra (software), a software used to test weak computer network passwords
• HYDRA Game Development Kit, a retro games development system, by André LaMothe
• HMS Hydra , the name of several Royal Navy vessels
• Hydra (ship), a hydrogen ship
• Hydra 70, an air-to-ground rocket
• Hydra Project (EU Project), EU funded research project
• Hydra Technologies of Mexico, a firm dedicated to the design and development of unmanned aerial vehicles

Music

• Hydra Entertainment, hip hop record label
• Hydra Head Records, an independent record label
• Hydra (Iris Album) , an album by Synthpop band, Iris
• Hydra (album), an album by Toto
• * "Hydra", a song on the above album
• Hydra (band), a Southern Rock band
• Hydra (Satariel album), an album by Satariel
• Hydra, a song by popular Japanese rock band, Dir en grey from their album Macabre

Fiction

• HYDRA, a secret criminal organization in the Marvel Universe
• * Viper (Madame Hydra), a Marvel supervillain, and enemy of the Avengers
• Hydra (Transformers ), one of several Transformers characters
• The Hydra, a Cthulhu Mythos deity created by Henry Kuttner
• * Mother Hydra, co-ruler of the Deep One race and consort of Father Dagon in the fictional Cthulhu mythos
• The Hydra flak tank in the Warhammer 40,000 universe
• Hydra, a DHARMA Initiative station on the TV series Lost

See also

• Hydra-Centaurus Supercluster, a supercluster of galaxies
• Hydro (disambiguation)
• All pages beginning with hydra}}