| Acronym | Definition |
|---|
| OSBA➣Ohio State Bar Association (Columbus, Ohio) |
| OSBA➣Ohio School Boards Association |
| OSBA➣Oregon School Boards Association |
| OSBA➣Office of Small Business Assistance (State of Florida) |
| OSBA➣Ontario School Bus Association |
| OSBA➣Office of the Small Business Advocate (South Australia) |
| OSBA➣Ohio Small Business Association |
| OSBA➣Ohio State Beekeepers Association |
| OSBA➣Oregon State Beekeepers Association |
| OSBA➣Oklahoma State Beekeepers' Association |
| OSBA➣Optimal Scheduling and Buffer Allocation |