- AAHA stands for American Animal Hospital Association
- AAHA stands for Acetohydroxamic Acid (drug)
- AAHA stands for Alexandria Area Hockey Association
- AAHA stands for Atlantic Amateur Hockey Association
- AAHA stands for African American Holiday Association
- AAHA stands for American Association of Homes for the Aging (now American Association of Homes and Services for the Aging, AAHSA)
- AAHA stands for Association of Alaska Housing Authorities
- AAHA stands for American Amputee Hockey Association
- AAHA stands for American Academy of Healthcare Attorneys
- AAHA stands for Alamo Arabian Horse Association (Texas)
- AAHA stands for American Appendix Horse Association
- AAHA stands for Allegany Area Historical Association
- AAHA stands for Alberta Amateur Hockey Association
- AAHA stands for Awaiting Action Higher Authority
- AAHA stands for Alachua Arabian Horse Association
- AAHA stands for Alamo Area Hospitality Association (San Antonio, TX)
- AAHA stands for African-American Heritage Association
- AAHA stands for American Association of Handwriting Analysis
- AAHA stands for American Arabian Horse Association
- AAHA stands for American Amateur Holdem Association
- AAHA stands for American Academy of Health Administration
Abbreviations And Their Meaning