ACWA

ACWA may refer to:


 * Program Executive Office, Assembled Chemical Weapons Alternatives, department of the US army responsible for chemical weapons decommissioning
 * Amalgamated Clothing Workers of America, US labor union
 * Advisory Committee on Works of Art, committee of the UK houses of Parliament
 * Alberta Co-operative Wholesale Association, a Canadian Cooperative enterprise
 * Association of California Water Agencies, coalition of public water agencies supplying water in California
 * Adventist College of West Africa, predecessor of Babcock University, a religiously founded Nigerian university
 * ACWa, environmental company acquired by Consolidated Contractors Company
 * American Civil War Association of Northern and Central California, American Civil War reenactment group
 * ACWA Power, the energy division of the Saudi Arabian Al-Muhaidib group of companies
 * ACWA Services Ltd., UK based water treatment company
 * ACWA, Academy of Combative Warrior Arts, Self Defense System