| Acronym | Definition |
|---|
| GBSA➣Gulf Bond and Sukuk Association (Dubai, United Arab Emirates) |
| GBSA➣Graduate Business Student Association |
| GBSA➣Grapevine Baseball Softball Association (Grapevine, TX) |
| GBSA➣Greenwich Bay Sailing Association (East Greenwich, RI) |
| GBSA➣Greater Baltimore Swim Association (Maryland) |
| GBSA➣Grandview Baseball Softball Association (Ohio) |
| GBSA➣Gay, Bisexual, Straight Alliance |
| GBSA➣Gulf Breeze Sports Association (Florida, USA) |
| GBSA➣Graphics-Based Supervisory Architecture |
| GBSA➣Great Britain Soccer Association |
| GBSA➣Generalized Born/Solvent-Accessible Surface |
| GBSA➣Ghana Biochemistry Students' Association (Kwame Nkrumah University of Science and Technology) |
| GBSA➣General Business Security Agreement |