| Abbreviation | Definition |
|---|---|
| AYL | Atlanta Youth Lacrosse |
| AYL | Aurora Youth League |
| AYL | Austin Youth Lacrosse |
| AYLA | Alamance Youth Leadership Academy |
| AYM | African Youth Movement |
| AYM | Afrika Youth Movement |
| AYM | Alliance for Youth Movements |
| AYM | Anglican Youth Ministries |
| AYM | Area Youth Ministry |
| AYM | Aryan Youth Movement |
| AYM | Asheville Youth Mission |
| AYO | Adelaide Youth Orchestra |
| AYO | Armenian Youth Organization |
| AYO | Asian Youth Orchestra |
| AYO | Austin Youth Orchestra |
| AYO | Australian Youth Orchestra |
| AYOF | Australian Youth Olympic Festival |
| AYOS | Active Youth Outreach Services |
| AYPI | Arlington Youth Philanthropy Initiative |
| AYPS | Asian Youth Prevention Services |