| Abbreviation | Definition |
|---|---|
| ANYA | Acronym Not Yet Assigned |
| ANZ | Air New Zealand |
| ANZ | Analytic And Not Zero |
| ANZ | Antarctica New Zealand |
| ANZ | Aotearoa New Zealand |
| ANZ | Austrailia and New Zealand |
| ANZAC | Australian and New Zeland Amy Corps |
| ANZCO | Australian and New Zealand College of Organists |
| ANZEIGE | Anzeigen |
| AO | accepted offer |
| AO | Acronym Or |
| AO | Action Office |
| AO | Administratieve Organisatie |
| AO | Administrative Office |
| AO | Adults Only |
| AO | Aesthetic Olympian |
| AO | Agent Only |
| AO | Aktsionernoye Obshestvo |
| AO | All Other |
| AO | All Output |