Weapon X is a fictional government project in Marvel Comics.

Weapon X may also refer to: Weapon X (story arc), a comic book story arc by Barry Windsor-Smith and published by Marvel Comics Wolverine (character) or Weapon X, a comic book character Garrison Kane or Weapon X, a comic book character Brian Dawkins or Weapon X, former NFL safety Weapon X, a fictional team in Exiles "Weapon X", a 2007 single by X-Clan from Return from Mecca