GLAA
| 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) |