Abbreviations beginning with a

AAHSAmerican Aviation Historical Society
Miscellaneous

AAHSAmericans Against Human Suffering
Miscellaneous

AAHSAmorphous Aluminum Hydroxyphosphate Sulfate
Miscellaneous » Unclassified

AAHSAthens Area High School (Pennsylvania)
Miscellaneous

AAHSAASEAN (Association of Southeast Asian Nations) Alliance of Health Supplement Associations (est. 2006)
Academic & Science

AAHSAAmerican Association for Homes and Services for the Aging (now known as LeadingAge)
Community » Non-Profit Organizations

AAHSAAmerican Association of Homes and Services for the Aging
Community » Housing

AAHSAASEAN Alliance of Health Supplement Associations
Community » Associations

AAHSAASEAN Alliance of Health Supplement Associations
Governmental » Alliances

AAHSAASEAN Alliance of Health Supplement Associations
Medical » Healthcare

AAHSAAmerican Association of Homes and Services for the Aging (formerly American Association of Homes for the Aging, AAHA)
Miscellaneous

AAHSAAustin Area Human Services Association (Texas)
Miscellaneous

AAHSCAquatic Animal Health Standards Commission (World Organization for Animal Health; also seen as AAC)
Miscellaneous

AAHSCAustin Area High School Cycling (Austin, TX)
Miscellaneous

AAHSDAlternate Adult High School Diploma (Alabama)
Miscellaneous

AAHSLAssociation of Academic Health Sciences Libraries
Miscellaneous

AAHSSLAlamo Area High School Swimming League (San Antonio, TX)
Miscellaneous

AAHUAustin Association of Health Underwriters (Texas)
Academic & Science

AAHUAustralian Army History Unit (Department of Defence; Australia)
Academic & Science

AAHUAverage Annual Habitat Units (US Army)
Governmental