| Abbreviation | Definition |
|---|---|
| AW | As Well |
| AWGY | Al Wilayah Girls Youth |
| AWY | Alliance for Wisconsin Youth |
| AY | Advent Youth |
| AY | Adventist Youth |
| AYA | Act Your Age |
| AYA | Albanian Youth Action |
| AYA | American Youth Academy |
| AYA | American Youth Association |
| AYB | Alabama Youth Ballet |
| AYB | Alameda Youth Basketball |
| AYB | Amherst Youth Basketball |
| AYB | Ashwaubenon Youth Baseball |
| AYBT | American Youth Basketball Tour |
| AYC | Adventist Youth for Christ |
| AYC | American Youth Cheer |
| AYC | Anchorage Youth Court |
| AYC | Apostolic Youth Corps |
| AYC | Arkansas Youth Conference |
| AYC | Asian Youth Center |