| Acronym | Definition |
|---|
| GASA➣Genetic Algorithms and Simulated Annealing |
| GASA➣Gestion et Animation des Structures Aquatiques (French: Aquatic Structures Management and Animation) |
| GASA➣Greeks Against Sexual Assault |
| GASA➣Georgia Amateur Soccer Association |
| GASA➣Guernsey Amateur Swimming Association |
| GASA➣Geostatistical Association Of Southern Africa |
| GASA➣Global Aviation Services of America, Inc. |
| GASA➣Grays Athletic Supporters Association (UK) |
| GASA➣Growth Adjusted Sonographic Age |
| GASA➣Ground Aided Seeker Assist |
| GASA➣Groupement d'Action Sanitaire de l'Ain (French: Health Action Group of Ain) |
| GASA➣Graduate Astronomy Students Association (University of Toronto; Canada) |