- Source: MW4
MW4 may refer to:
MechWarrior 4: Vengeance, a 2000 video game
MechWarrior 4: Mercenaries, a 2002 video game
Call of Duty 4: Modern Warfare, a 2007 video game
An abbreviation of master warrant officer in the United States Armed Forces
a model of Microwriter, a hand-held portable word-processor