Abbreviations beginning with a

ABAadriatic basketball association
Sports » Basketball

ABAAlberta Bicycle Association
Sports » Cycling

ABAAmateur Bodybuilding Association
Sports

ABAAmerican Basketball Association
Sports » Basketball

ABAAmerican Bass Anglers
Sports

ABAAmerican Bicycle Association
Sports » Cycling

ABAAtwater Basketball Association
Sports » Basketball

ABA1Aviation Boatswain's Mate (airship Rigger) Petty Officer 1st Class
Governmental » Navy

ABA2Aviation Boatswain's Mate (airship Rigger) Petty Officer 2nd Class
Governmental » Navy

ABA3Aviation Boatswain's Mate (airship Rigger) Petty Office 3rd Class
Governmental » Navy

AbAAAlberta Aerospace Association (Canada)
Academic & Science

ABAAAlberta Blonde d'Aquitaine Association (cattle breed; Alberta, Canada)
Academic & Science

ABAAAmerican Blonde d'Aquitaine Association (est. 1973; trade association)
Academic & Science

ABAAAntiquarian Booksellers' Association of America
Academic & Science » Libraries

ABAAArterial Baroreceptor Afferent Activity
Academic & Science

ABAAAssociate of the British Association of Accountants and Auditors
Academic & Science

ABAAAssociation of Bangalore Amateur Astronomers (India)
Academic & Science

ABAAAssociation of Business Advertising Agencies
Academic & Science

ABAAAge Based Asset Allocation (investing)
Business