| Acronym | Definition |
|---|
| GLAA➣Gay and Lesbian Activists Alliance (Washington, DC) |
| GLAA➣Girls Leadership Academy of Arizona (Phoenix, AZ) |
| GLAA➣Great Lakes Alpaca Association (est. 1995) |
| GLAA➣Great Lakes Adventist Academy (Cedar Lake, MI) |
| GLAA➣General Laws Amendment Act (Zimbabwe) |
| GLAA➣Greater London Arts Association (now Greater London Arts Board; England, UK) |
| GLAA➣Gay/Lesbian Alcoholics Anonymous |
| GLAA➣Great Lakes Alberg Association (Canada) |