| Abbreviation | Definition |
|---|---|
| AAGB | Astrological Association of Great Britain |
| AAGE | Australian Association of Graduate Employers |
| AAGP | Arizona Association of Gold Prospectors |
| AAGW | Apartment Association of Greater Wichita |
| AAGW | Association of Albanian Girls and Women |
| AAGW | Autistics Association of Greater Washington |
| AAH | American Association for Homecare |
| AAH | Association of Ancient Historians |
| AAH | Association of Art Historians |
| AAHA | Afro American Historical Association |
| AAHA | Alabama Affordable Housing Association |
| AAHA | Alamo Area Hospitality Association |
| AAHA | American Amputee Hockey Association |
| AAHA | American Animal Hospital Association |
| AAHA | American Appendix Horse Association |
| AAHA | Arizona Amateur Hockey Association |
| AAHA | Atlantic Amateur Hockey Association |
| AAHOA | Asian American Hotel Owners Association |
| AAHP | Alabama Association of Health Plans |
| AAHP | American Association of Health Plans |