| Acronym | Definition |
|---|
| AYA | Ai Yori Aoshi (anime) |
| AYA | Act Your Age |
| AYA | And You Are? |
| AYA | Aguirre y Aranzabal (Spanish gun manufacturer) |
| AYA | Adolescent/Young Adult |
| AYA | Association of Yale Alumni |
| AYA | Academic Year Abroad |
| AYA | American Yankee Association |
| AYA | American Youth Association |
| AYA | Are You Alive? |
| AYA | Armenian Youth Association (Iran) |
| AYA | As You Asked |
| AYA | Advaita Yoga Ashrama |
| AYA | Acuaductos Y Alcantarillados (Costa Rican water service) |
| AYA | Asian Youth Association |
| AYA | Ahveniston Yläaste (Finnish school) |
| AYA | Acute Yellow Atrophy |
| AYA | Abutia Youth Association (Ghana) |