Legion

Legion may refer to:

Military

Roman legion, the basic military unit of the ancient Roman army
Aviazione Legionaria, Italian air force during the Spanish Civil War
A legion, the regional unit of the Italian carabinieri
Spanish Legion, an elite military unit within the Spanish Army
Condor Legion, a unit of military personnel from the air force and army of Nazi Germany
French Foreign Legion, a part of the French Army, created for foreign nationals willing to serve in the French Armed Forces
International Legion (Ukraine), a Ukrainian foreign volunteer wing of the 2022 Russo-Ukrainian war
HMS Legion (1914), a Royal Navy World War I destroyer
HMS Legion (G74), a Royal Navy World War II destroyer sunk in 1942
Legion of the United States, a reorganization of the US Army from 1792 to 1796
Various military legions, often composed of soldiers from a specific ethnic, national, religious or ideological background

American Legion, an organization of American veterans
Royal British Legion, a UK charity providing support for members of the British Armed Forces and their dependents
Royal Canadian Legion, a non-profit Canadian veterans' organization
South African Legion of Military Veterans, the oldest veterans organization organisation in South Africa
Society of the Cavaliers of the Order of Lāčplēsis & Freedom Fighters, also known as the Legion, a right-wing veterans' organisation founded by Voldemārs Ozols (1884–1949)

Legion (Marvel Comics), an antihero
Legion (DC Comics), a supervillain
Legion of Super-Heroes, a DC Comics superhero team
The Legion (comics), one of the comic books where the Legion of Super-Heroes was published
Legion, a group of characters from the Spawn series
Legion, a member of the Special Executive
L.E.G.I.O.N., a 1989 DC Comics title and a team of superheroes, the 20th century forerunners to the Legion of Superheroes
Ghostbusters: Legion, a 2004 comic book series

"Legion" (Law & Order: Criminal Intent), the eighteenth episode in the second season of Law & Order: Criminal Intent
"Legion" (Red Dwarf), the second episode of Red Dwarf Series VI
Legion (1998 film), a 1998 made-for-television film
Legion (2010 film), a 2010 horror action film
The Legion (film), 2020, starring Mickey Rourke
Legions (film), a 2022 Argentine supernatural horror film
Legion (TV series), an FX TV series based on the Marvel Comics character
"Legion", an eighth-season episode of the television series Smallville
Legion, an alien kaiju seen in the film Gamera 2: Attack of Legion
Legion, a fictional computer network in the 2019 film Terminator: Dark Fate

Legion Gold, or simply Legion, a strategy game
Legions (Magic: The Gathering), a set of cards in the game Magic: The Gathering
Legion (Mass Effect), the adopted name of a synthetic intelligence in Mass Effect 2
Legion, central villain of the video game Shadow Man
Legion, an artificial intelligence unit in Command & Conquer 3: Kane's Wrath
World of Warcraft: Legion, the sixth World of Warcraft expansion set
The Legion, a group of killer characters in the horror video game Dead by Daylight
Watch Dogs: Legion, an action-adventure game and the third installment in the Watch Dogs series
Caesar's Legion, a faction in Fallout: New Vegas

Legion Records, started in 1997 by Michael Brosnan under the name Goatboy Records
Legion (band), a deathcore band from Columbus, Ohio
Erik Hagstedt, Swedish vocalist in the black metal band Marduk (stage name "Legion")
The Legion, a hip hop group from the Bronx, New York, associated with Black Sheep
Legion (Deicide album), 1992
Legion (Creepy Nuts album), 2025
Legion, a 1985 album by Mark Shreeve
Legions, a 2013 album by the Danish band Artillery
"Legion", a song by Blue Stahli from Obsidian
"Legion", a song by Candiria from Kiss the Lie
"Legion", a song by HammerFall from No Sacrifice, No Victory
"Legion", a song by Junkie XL from Big Sounds of the Drags
"Legion", a song by Saviour Machine from Saviour Machine I
"Legion", a song by Slaughter Lord, covered by At the Gates in the 2002 re-issue of the album Slaughter of the Soul
"Legion", a song by Tesseract from War of Being
"Legion", a song by VNV Nation from Empires
"Legion", a song by 2slimey from the album "More Anxiety"
"Legions", a song by August Burns Red from Season of Surrender
"Legions", a song by Winds of Plague from Decimate the Weak

Legion (demons), the collective name of the demons in the gospel account of the Gerasene demoniac
Legion (taxonomy), a taxonomic rank in biology
Legion (software), a computer software system
Legion Interactive, an Australian telecommunications company
Legion of the Archangel Michael, a political and militant movement in Romania