- 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)
- BAGA stands for British Amateur Gymnastic Association
- BAGA stands for British Amputee Golf Association
BAGA