- ABHA stands for Accountable Behavioral Health Alliance (Corvallis, OR)
- ABHA stands for Azelaic Bishydroxamic Acid
- ABHA stands for Anderson Brown Higley Associates (Wilmington, DE)
- ABHA stands for Agent-Based High Availability
- ABHA stands for Alaska Behavioral Health Association
- ABHA stands for Acadie-Bathurst Health Authority (New Brunswick, Canada)
- ABHA stands for Ancient British Historical Association
- ABHA stands for American Blazer Horse Association
- ABHA stands for American Black Hereford Association
- ABHA stands for Alto Bowl Horseowners Association (California)
- ABHA stands for American Buckskin Horse Association
- ABHA stands for American Bird Hunters Association, Inc.
- ABHA stands for Alberta Ball Hockey Association
- ABHA stands for Assembly of Behavioral Healthcare Administrators
- ABHA stands for Associate of the British Hypnotherapy Association
ABHA