| Abbreviation | Definition |
|---|---|
| AWWA | Ala Wai Watershed Association |
| AWWA | American Water Works Association |
| AWWA | Amputees and War Wounded Association |
| AWWA | Army Wife Welfare Association |
| AWWA | Army Wives Welfare Association |
| AWWARF | American Water Works Association Research Foundation |
| AWWD | Association for Women with Disabilities |
| AWWE | Association for Welsh Writing in English |
| AWWE | Association of Welsh Writing in English |
| AWYA | Association of West Yorkshire Authorities |
| AXAA | Anand Xaviers Alumni Association |
| AYA | Association of Young Americans |
| AYAM | Association of Yale Alumni in Medicine |
| AYANA | Aikido Yoshokai Association of North America |
| AYEG | Association Of Young Economists Georgia |
| AYEG | Association of Young Economists of Georgia |
| AYLA | Austin Young Lawyers Association |
| AYM | Association for Yoga and Meditation |
| AYMA | Armenian Young Men's Association |
| AYP | Association of YMCA Professionals |