X-Men Legends is an action role-playing video game developed by Raven Software and published by Activision. It was released on the GameCube, PlayStation 2 and Xbox consoles in 2004. Barking Lizards Technologies developed the N-Gage port of the game, which was released in early 2005. Players can play as one of fifteen X-Men characters, with the ability to switch between four computer- or human-controlled characters at any time.

X-Men Legends follows Alison Crestmere, a young mutant who has the ability to summon and control volcanic activity. As Alison is taught to control her powers at the X-Mansion, the X-Men are sent on several missions. Eventually the X-Men learn of Magneto's plan to cover the Earth in darkness from his base on Asteroid M.

X-Men Legends received generally positive reviews from critics. The Xbox version was the best received, garnering aggregate scores of 83% and 82/100 on the review aggregating websites GameRankings and Metacritic respectively. Reviewers praised Raven's variation on cel-shaded graphics. Due to the success of the game a sequel was made, X-Men Legends II: Rise of Apocalypse.