ABCA may refer to:
ABCA Armies, an international military organization established in 1947 ABC transporter proteins, subfamily A Alberta Court of Appeal, common name of the Court of Appeal of Alberta, Canada Alcoholic Beverage and Cannabis Administration (District of Columbia) American Baseball Coaches Association Army Bureau of Current Affairs, an organisation set up to educate and raise morale amongst British servicemen in World War II Association of Bangladesh-China Alumni, organisation for Bangladeshis who have studied or worked in China Ausable Bayfield Conservation Authority, a local conservation agency in Southern Ontario, Canada West Virginia Alcohol Beverage Control Administration