WACA may refer to: World Affairs Councils of America, an American international affairs organization WACA (AM), a radio station (1540 AM) licensed to Wheaton, Maryland, United States WACA Ground, a stadium in Perth, the home of the Western Australian Cricket Association Waca Lake, a lake in the United States Washington State Animal Control Association, a professional association for animal control officers and employees, Washington State, United States Warranty Corporation of America, a pro… (More on Waca)