MechWarrior is a series of video games set in the fictional universe of BattleTech.

Within the MechWarrior games, players take control of a single BattleMech and combat other BattleMechs, tanks, infantry, and more, from within the cockpit of their machine. A third-person alternate view is available in MechWarrior 2, 3, 4, Online, and 5. Both MechWarrior 2 and MechWarrior 3 were Origins Award winners, taking Best Fantasy or Science Fiction Computer Game 1995 and Best Action Computer Game 1999 respectively.

• MechWarrior takes place at the end of the Third Succession War.
• MechWarrior 2: 31st Century Combat, MechWarrior 2: Ghost Bear's Legacy, Mercenaries, and MechWarrior Online deal with the events soon before, during, and soon after the Clan Invasion of the Inner Sphere.
• MechWarrior 3 and MechCommander are concerned with different parts of "Operation Serpent" and "Operation Bulldog", the combined Inner Sphere counterattack against the Clans, targeted at the Smoke Jaguars.
• MechWarrior 4: Vengeance, its expansions, and MechCommander 2 deal with the Federated Commonwealth Civil War.
• MechWarrior 5: Mercenaries takes place during the Third Succession War.^[1]
• MechWarrior 5: Clans takes place during the Clan Invasion of the Inner Sphere.^[2]

Electric Entertainment, a Hollywood production company founded by Dean Devlin, currently holds the option to produce a feature film based on the MechWarrior universe.^[3] In 2003, Devlin approached Paramount to pitch the project but failed to receive funding. The project is in development limbo.

• MechWarrior (role-playing game), a 1986 tabletop game