Posted in Arts, Government & Military, Information Technology ACW stands for Arts Council of Wales ACW stands for Ashfield-Colborne-Wawanosh (Canada) ACW stands for American Civil War ACW stands for Arts Council of Wales (UK) ACW stands for Assessed Course Work ACW stands for Air Control Wing ACW stands for Aero Club of Washington (Washington, DC) ACW stands for American Cord & Webbing (Woonsocket, RI) ACW stands for All Country World (market index) ACW