| AHHA | AIDS/HIV Health Alternatives 
| Others |
| AHHA | Alleghany Highlands Housing Alliance (Covington, VA)
| Others |
| AHHA | American Heritage Horse Association
| Others |
| AHHA | American Holistic Health Association
| Others |
| AHHA | American Holsteiner Horse Association
| Others |
| AHHA | Anahola Hawaiian Homes Association
| Others |
| AHHA | Areas of High Human Activities
| Others |
| AHHA | Arizona Hospital and Healthcare Association (also seen as AzHHA)
| Others |
| AHHA | Auburn Hills Homeowners Association (Kansas City, KS)
| Others |
| AHHA | Audi Hill Hold Assist
| Others |
| AHHA | Australian Healthcare and Hospitals Association
| Others |