ABCA may refer to:

• American Baseball Coaches Association, an organization for baseball coaches
• ABCA Armies, an international military organization
• Army Bureau of Current Affairs, an organisation set up to educate and raise morale amongst British servicemen in World War II
• West Virginia Alcohol Beverage Control Administration, the alcoholic beverage control authority in the U.S. state of West Virginia
• Court of Appeal of Alberta
• Ausable Bayfield Conservation Authority