Editing Hydra

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{{wiktionary|Hydra|hydra}}
'''Hydra''' generally refers to:
* [[Lernaean Hydra]], a many-headed serpent in Greek mythology
* [[Hydra (genus)|''Hydra'' (genus)]], a genus of simple freshwater animals belonging to the phylum Cnidaria

'''Hydra''' or '''The Hydra''' may also refer to:
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== Astronomy ==
* [[Hydra (constellation)]]
* [[Hydra (moon)]], a satellite of Pluto

== Computing ==
* [[Hydra (chess)]], a chess computer
* [[Hydra (digital repository)]], an open-source digital repository software product later renamed Samvera
* [[Hydra (operating system)]], an early, discontinued, capability-based, object-oriented microkernel
* [[Hydra (software)]], a parallelized network login cracker built in various operating systems
* [[Hydra (specification)]], a [[Overview of RESTful API Description Languages|specification for REST]] APIs
* [[Hydra 100]], a multi-GPU hardware solution
* [[HYDRA Game Development Kit]], a development system by André LaMothe
* [[Razer Hydra]], a game controller
* [[NEC HYDRAstor]], a storage system

== Fictional entities ==
* [[Hydra (comics)]], a fictional organization in the Marvel Universe
** [[Hydra (Marvel Cinematic Universe)]], an organisation in the Marvel Cinematic Universe based on the comics counterpart
* [[Hydra (Dungeons & Dragons)|Hydra (''Dungeons & Dragons'')]], a fictional monster in ''D&D''
* [[Hydra (Transformers)|Hydra (''Transformers'')]], a character in ''Transformers''
* The Hydra, a fictional organization in ''[[The Phantom]]''
* Hydra, a character in ''[[UFO Ultramaiden Valkyrie]]''
* The Hydra, a fictional [[Henry Kuttner deities#The Hydra|deity created by Henry Kuttner]]
** Mother Hydra, the co-ruler of the [[Deep One#Father Dagon and Mother Hydra|Deep One]] race in the Cthulhu Mythos
* The Hydra, a fictional fighter jet in ''[[Grand Theft Auto: San Andreas]]'' and ''Grand Theft Auto Online''
* The Hydra, a fictional machine in ''[[Kirby Air Ride]]''
* Hydra, a boss enemy in the video game ''[[Prototype 2]]''

== Film and television ==
* [[Hydra (film)|'' Hydra'' (film)]], a 2009 monster movie
* [[Hydra (Chuck)|Hydra (''Chuck'')]], a fictional database on ''Chuck''
* Hydra, a fictional [[Dharma Initiative]] station on ''Lost''

== Music ==
* [[Hydra Entertainment]], the hip-hop record label
* [[Hydra (band)]], an American southern rock band in the 1970s
* [[Hydra (E.P.)]], an E.P. by British ambient duo [[Main (band)]], 1991 
* [[Hydra (Otep album)|''Hydra'' (Otep album)]], 2013
* Hydra, an album by [[Satariel (band)|Satariel]], 2005
* [[Hydra (Toto album)|''Hydra'' (Toto album)]], or the title song, 1979
* [[Hydra (Within Temptation album)|''Hydra'' (Within Temptation album)]], 2014
* ''Hydra'', an album by [[Iris (American band)|Iris]], 2008
* "Hydra", a song by Dir En Grey from ''[[Macabre (album)|Macabre]]'', 2000
* "Hydra", a song by Twilight Force from ''[[Dawn of the Dragonstar]]'', 2019
* "HYDRA", a song by [[Myth & Roid]], 2018
* "The Hydra", a song by Le Sserafim from ''[[Antifragile (EP)|Antifragile]]'', 2022

== People ==
* [[Hydra (skater)]], roller derby skater
* [[Hydra (wrestler)]], American professional wrestler
* Hydra, an alias of DJ and producer [[The Thrillseekers]]

== Places ==
* [[Hydra, Algeria]], a neighbourhood and a municipality in Algiers
* [[Hydra (island)]], an island of Greece

== Ships ==
* [[Hydra (ship)|''Hydra'' (ship)]], a hydrogen ship
* [[Greek ironclad Hydra|Greek ironclad ''Hydra'']], a French-built ironclad warship launched in 1889
* [[Greek destroyer Hydra|Greek destroyer ''Hydra'']], a ''Dardo''-class destroyer launched in 1932
* [[Greek frigate Hydra|Greek frigate ''Hydra'']], a ''MEKO 200''-type frigate launched in 1992, lead ship of the ''Hydra'' class frigate
* [[HMS Hydra (1797)|HMS ''Hydra'' (1797)]], a 38-gun fifth rate
* [[HMS Hydra (1838)|HMS ''Hydra'' (1838)]], a wooden steam paddle sloop
** [[Hydra-class sloop|''Hydra''-class sloop]], a class of British steam sloops
* [[HMS Hydra (1871)|HMS ''Hydra'' (1871)]], a Cyclops-class turret ship
* [[HMS Hydra (1912)|HMS ''Hydra'' (1912)]], an Acheron-class destroyer
* [[HMS Hydra (J275)|HMS ''Hydra'' J275)]], an Algerine-class minesweeper launched in 1942
* [[HMS Hydra (A144)|HMS ''Hydra'' (A144)]], an oceanographic survey vessel launched in 1965
* [[Hydra-class minelayer]], a class of Dutch 1910s minelayers
* {{HNLMS|Hydra|A854}}, a Dutch Navy diving support vessel

== Other uses ==
* ''[[The Hydra]]'', a literary magazine
* [[Hydra (association)]], a German self-help and advocacy group for prostitutes
* [[Hydra (video game)|''Hydra'' (video game)]], an arcade and Atari Lynx video game
* [[Hydra game]], a concept in mathematical logic
* [[Hydra Market]], a Russian language dark web marketplace that facilitated trafficking of illegal drugs as well as financial services
* [[Hydra the Revenge]], a roller coaster at Dorney Park in Pennsylvania, US
* [[Hydra 70]], an air-to-ground rocket
* [[Hydra Technologies]], an unmanned aerial vehicle firm
* [[Hydra Trophy]], a trophy of the roller derby WFTDA Championships
* Hydra, a wireless station during World War II at [[Camp X#Hydra|Camp X]]
* [[Operation Hydra (Yugoslavia)]]
* [[Operation Hydra (1943)]]

== See also ==
{{Wikicommons}}
* [[Greek ship Hydra|Greek ship ''Hydra'']], a list of Hellenic Navy vessels
* [[HMS Hydra|HMS ''Hydra'']], a list of British Navy vessels
* [[Hydro (disambiguation)]]
* [[Hydrus]], a small constellation in the deep southern sky
* [[Ghidra]], reverse engineering software
* {{lookfrom}}
* {{intitle}}

{{disambiguation|geo}}