WarGames is a 1983 American Cold War science-fiction film written by Lawrence Lasker and Walter F. Parkes and directed by John Badham. The film stars Matthew Broderick, Dabney Coleman, John Wood, and Ally Sheedy.

War Game or War Games may refer to:

• Military exercise, a training operation
• Military simulation, a live or computer exercise to develop military strategies
• Wargaming, a recreational game simulating a military operation
• Wargaming (company), videogame developer and publisher
• Wargame (video games), a genre that emphasizes strategic or tactical warfare on a map
• Wargame (hacking), a challenge involving exploiting or defending a computer system vulnerability
• Business war games, a role-playing exercise set in the world of commerce