ACGA

ACGA may refer to:


 * American Community Gardening Association, a non-profit organization
 * An Comunn Gàidhealach, Ameireaga, a Scottish Gaelic language and cultural organization
 * Australian Commonwealth Games Association, the national body responsible for Commonwealth Games operations, publicity and development in Australia
 * American Corn Growers Association, a non-profit commodity and advocacy organization
 * American Council on Gift Annuities, which publishes suggested charitable gift annuity rates for use by charities and their donors