| Omnibus Service Authority |
Computer Networking |
OSA |
| Ontario Soccer Association |
Sports |
OSA |
| Open Service Access |
Computing |
OSA |
| Obstructive Sleep Apnea |
Physiology |
OSA |
| Open Scripting Architecture |
Computing |
OSA |
| Optical Society of America |
Other |
OSA |
| Operational Services Agreement |
Military |
OSA |
| Office Support Assistant |
Business Position |
OSA |
| Office of the Secretary of the Army |
Military |
OSA |
| Open Society Archives |
Other |
OSA |
| Open System Architecture |
Computing |
OSA |
| Operational Support Airlift |
Military |
OSA |
| Overhead Squat Area |
Physiology |
OSA |
| AUSA ROAD |
Indian Railway Station |
OSA |
| open systems architecture |
Government |
OSA |
| open system approach, 7 |
Government |
OSA |
| Office Of Special Affairs |
Military |
OSA |
| Osage |
Regional 3 Letter LanguageCode |
OSA |
| Organization for Social Advancement |
Organization |
OSA |
| Outdoor Soccer Of America |
Sports |
OSA |
| Operational Support Area |
Space Science |
OSA |
| Orangutans Seem Alert |
Funny |
OSA |
| Office Of Student Activities |
University |
OSA |
| operational support aircraft |
Government |
OSA |
| optical spectrum analyzer |
Other |
OSA |
| Open Standard Architecture |
Computing |
OSA |
| Oshkosh Student Association |
Education |
OSA |
| Osaka, Japan |
Regional Airport Code |
OSA |
| Office Systems Architecture |
Computing |
OSA |
| Osaka |
Airport Code |
OSA |
| Omaha Sports Academy |
Sports |
OSA |
| Sleep Apnea |
Other |
OSA |
| Official Secrets Act |
US Government |
OSA |
