| Abbreviation | Definition |
|---|---|
| AHIA | Alamitos Heights Improvement Association |
| AHIA | Arizona Homicide Investigators Association |
| AHIA | Association of Health Insurance Advisors |
| AHIA | Association of Healthcare Internal Auditors |
| AHIA | Australian Health Informatics Association |
| AHIGS | Association of Heads of Independent Girls Schools |
| AHKEA | America Hong Kong Electronics Association |
| AHLA | American Hair Loss Association |
| AHLA | American Hotel and Lodging Association |
| AHLA | Asian Health Literacy Association |
| AHLU | Association of Hungarian Linux Users |
| AHMA | American Hardware Manufacturers Association |
| AHMA | American Headache and Migraine Association |
| AHMA | Asia Hair Masters Association |
| AHMR | Association du Hockey mineur de Rimouski |
| AHO | Association of Holocaust Organizations |
| AHOA | Arizona Hockey Officials Association |
| AHOA | Asian Hotel Owners Association |
| AHPD | Association of Heads of Psychology Departments |
| AHPI | Association for Health Promotion Ireland |