Posted in Arts, Organizations, Sports BAGA stands for Besluit Aanwijzing Gevaarlijke Afvalstoffen (Dutch: decree on hazardous waste material; was BACA) BAGA stands for Bismarck Art and Galleries Association (Bismarck, ND) BAGA stands for Bengali Association of Greater Atlanta (est. 1979; Atlanta, GA) BAGA stands for Bay Area Gardeners Association (Redwood City, CA)