| Abbreviation | Definition |
|---|---|
| AMMY | ASEAN Ministerial Meeting on Youth |
| AMYLA | Adams Morgan Youth Leadership |
| AMYLA | Adams Morgan Youth Leadership Academy |
| ANCYL | ANC Youth League |
| ANCYL | ANC Youth League's |
| ANDY | A Naturally Dominating Youth |
| ANK | Alive 'N' Kicking |
| ANYO | Angkor National Youth Orchestra |
| AOY | Academy of Youth |
| AOY | Assassins Of Youth |
| AOYE | Arab Office for Youth and Environment |
| AOYE | Arab Office of Youth and Environment |
| AOYF | Australian Olympic Youth Festival |
| APDY | Asia Pacific Democratic Youth |
| APOYO | Assistance to Parents Of Youth Organization |
| APYE | Asia Pacific Youth Exchange |
| APYL | Averill Park Youth Lacrosse |
| ARC | Activity and Recreation Center |
| ARMY | Adult Role Models for Youth |
| ARMY | Adult Role Models for Youth |