AOW

AOW may refer to:
 * Act of War: Direct Action, a real-time strategy video game
 * Act of War: High Treason, an expansion pack for Act of War: Direct Action
 * Advanced Open Water, a scuba diving training level common to many certification agencies
 * Algemene Ouderdomswet, a Dutch pension act
 * Age of Wonders, a turn-based strategy PC game
 * Any Other Weapon, a weapons classification in the United States National Firearms Act
 * Age of Wulin, a free-to-play Wuxia MMORPG published by Gala Networks Europe
 * Art of Wrestling, a pro wrestling radio show by Colt Cabana
 * Autostradowa Obwodnica Wrocławia, Wrocław motorway bypass in Poland