| Abbreviation | Definition |
|---|---|
| AOIA | Association of Online Insurance Agents |
| AOIB | Administratieve Organisatie en Interne Beheersing |
| AOIB | Aliansi Ormas Islam Bersatu |
| AOIB | All Optical Imaging Brassboard |
| AOIB | Alt om Ikast Brande |
| AOIC | Administrative Office of the Illinois Courts |
| AOIFA | Association of Irish Floral Artists |
| AOIN | All of it Now |
| AOIN | Alliance of Independent Nations |
| AOIS | Annals of Information Systems |
| AOJ | Ability Opportunity and Jeopardy |
| AOJ | Abstract Of Judgment |
| AOJ | Annals of Joint |
| AOJ | Art of Jewellery |
| AOJ | Online Jobs |
| AOJI | Art Of Japanese Illustration |
| AOK | Account Opening Kiosk |
| AOK | Act Of Kindness |
| AOK | All Our Kids |
| AOK | Alt om København |