- AHHA stands for American Holistic Health Association (Anaheim, California)
- AHHA stands for Australian Healthcare and Hospitals Association (formerly Australian Healthcare Association)
- AHHA stands for American Holsteiner Horse Association
- AHHA stands for Arizona Hospital and Healthcare Association (also seen as AzHHA)
- AHHA stands for Australian Hotels & Hospitality Association, Inc.
- AHHA stands for AIDS/HIV Health Alternatives
- AHHA stands for Areas of High Human Activities
- AHHA stands for Anahola Hawaiian Homes Association
- AHHA stands for Alleghany Highlands Housing Alliance (Covington, VA)
- AHHA stands for Auburn Hills Homeowners Association (Kansas City, KS)
- AHHA stands for Australian Home Heating Association
- AHHA stands for Association of Holistic Health
- AHHA stands for Americade Home Health Agency
- AHHA stands for Affordable Housing and Homeless Alliance
- AHHA stands for American Heritage Horse Association
- AHHA stands for Atlantic Halfway House Association
- AHHA stands for Administrative Health Hazard Assessment
- AHHA stands for Ambassador of Health Hope and Aging
AHHA