| Acronym | Definition |
|---|
| OSAS➣Obstructive Sleep Apnea Syndrome |
| OSAS➣Open Systems Accounting Software (Open Systems Holdings Corp., Inc.) |
| OSAS➣Once Saved Always Saved |
| OSAS➣Of Soldiers and Saints (band) |
| OSAS➣Open Source Advance Solutions (Malaysia) |
| OSAS➣Occupational Skills Analysis System |
| OSAS➣Ohio Scottish Arts School |
| OSAS➣Open Substation Automation System (power plants) |
| OSAS➣Occupational Sleep Apnea Solutions |