Governmental & Military Abbreviations and Acronyms

1. AO
   Aviation Ordnanceman
2. AO
   Oiler
3. AO
   Authorizing Official
4. AO
   Analog Output
5. AO
   Authorized Outage
6. AO
   Assistance Objective
7. AO
   Airlines Operator
8. AO
   Auxiliary Office
9. AO
   Assessment Objective
10. AO
    Autonomous Object
11. AO
    Atmosphere-Ocean
12. AO
    announcement of opportunity
13. AO
    Acoustic-Optical
14. AO
    Altogether Outdoors
15. AO
    Aviation Officer
16. AO
    Air Observer
17. AO
    All Offensive
18. AO
    All Off
19. AO
    American Overseas
20. AO
    Oiler (underway Replenishment)

Last updated: May 24, 2020 — Total entries: 74,798