| Abbreviation | Definition |
|---|---|
| AAHC | All About Human Capital |
| AAHC | Arab American Heritage Council |
| AAHC | Arizona Automobile Hobbyist Council |
| AAHC | Asian American Heritage Council |
| AAHC | Asian American Homeownership Counseling |
| AAHH | Asociacion Andaluza de Hematologia y Hemoterapia |
| AAHM | African American History Month |
| AAHM | Alliance Against Hunger and Malnutrition |
| AAHM | American Airpower Heritage Museum |
| AAHM | Arab American Heritage Month |
| AAHM | Asian Academy for Heritage Management |
| AAHOA | Asian American Hotel Owners Association |
| AAHP | American Alliance For Hardwood Plywood |
| AAHP | American Association of Health Plans |
| AAHP | American Association of Homeopathic Pharmacists |
| AAHP | Atlantic Apprenticeship Harmonization Project |
| AAHS | Amorphous Aluminum Hydroxyphosphate Sulfate |
| AAHV | Average Annual Hourly Volume |
| AAI | Absorbing Aerosol Index |
| AAI | Acad??mie d'Armes Internationale |