Hydra generally refers to:

  • Lernaean Hydra, a many-headed serpent in Greek mythology
  • Hydra (genus), a genus of simple freshwater animals belonging to the phylum Cnidaria

Hydra or The Hydra may also refer to:

Astronomy

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Computing

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Fictional entities

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Film and television

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Music

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People

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Places

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Ships

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Other uses

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See also

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