| Acronym | Definition |
|---|
| AYF➣American Youth Foundation |
| AYF➣American Youth Football (est. 1996) |
| AYF➣Armenian Youth Federation |
| AYF➣African Youth Foundation (est. 2000; Germany) |
| AYF➣Asian Youth Fellowship (Japan) |
| AYF➣Australian Yachting Federation |
| AYF➣Australian Youth Forum |