Acronym | Meaning |
AO | (USN Rating) Aviation Ordnanceman |
AO | Abgabenordnung (German tax regulations) |
AO | Accommodation Officer |
AO | Accredited Organization |
AO | ACCS (Army Command and Control System) OSI (Operator System Interface) |
AO | Acousto Optics |
AO | Acquisition Objective |
AO | Action Officer |
AO | Administration Officer |
AO | Administrative Office/ Officer |
AO | Administrative Order |
AO | Advisory Opinion |
AO | Aerial Observer |
AO | Aeronautical Orders (orders authorizing a military person to perform duties in flight) |
AO | Aerosol Obscurant |
AO | Afrique Orientale (German East Africa) |
AO | Agent Orange (herbicidal warfare) |
AO | Agreement Officer (US AID) |
AO | Air Observer |
AO | Air Officer |
AO | Air Operation |
AO | Aircraft Operator |
AO | Airdrome Officer |
AO | Amphibious Operation |
AO | And Others |
AO | Annotated Outline |
AO | Announcement of Opportunity |
AO | Appeals Office(r) |
AO | Arctic Ocean |
AO | Area of Operation |
AO | Assessing Officer (tax; India) |
AO | Assignment Officer |
AO | Associate Post Office (also called associate office) |
AO | Asylum Officer (US DHS) |
AO | Atlantic Ocean |
AO | Attack Objective |
AO | Australian Airlines (IATA airline code) |
AO | Authorizing Official (for IMPAC Purchases) |
AO | Autonomous Okrug |
AO | Autres Objets (Canada universal postal union) |
AO | Auxiliary Oiler (Ship Type) |
AO | Aviation Officer |
AO | Aviation Ordnance Person (US DoD) |
AO | Awards and Obligations |
AO | Office of the Administrator |
AO | Operational Availability |
AO | Order of Australia |
AO | Other Articles (US postal service) |