ACOA

ACOA or Acoa may refer to:


 * Acoa, a historic country house in Habersham County, Georgia, United States
 * Adult Children of Alcoholics, an American organization
 * Ant colony optimization algorithms, probabilistic techniques for solving computational problems that can be reduced to finding good paths through graphs
 * Atlantic Canada Opportunities Agency, the Canadian federal government agency responsible for helping to develop economic capacity in the Atlantic Provinces