Government Abbreviations and Acronyms

1. OS
   Ordnance Survey
2. OS
   Other Source
3. OS
   Orderly Sergeant
4. OS
   Observation Squadron
5. OS
   Optional Stopping
6. OS
   Option Study
7. OS
   Outside Scope
8. OSA
   Oblast State Administration
9. OSA
   Office of The State Actuary
10. OSA
    Official Secrets Act
11. OSA
    Official Secret Act
12. OSA
    Official Secrets Acts
13. OSAA
    Office of The Special Advisor On Africa
14. OSAB
    Ontario Substance Abuse Bureau
15. OSAC
    Overseas Security Advisory Council
16. OSAC
    Organization for Scientific Area Commsttees
17. OSAD
    Office of The State Appellate Defender
18. OSADBU
    Office of Small and Disadvantaged Business Utilization
19. OSAF
    Office of The Secretary of The Air Force
20. OSAHRC
    Occupational Safety and Health Review Commission

Last updated: February 21, 2022 — Total entries: 62,888