Abbreviations beginning with a

ADAAAAmericans Discrimination Act Amendment Act
Miscellaneous » Unclassified

ADAAAAmericans Discrimination Act Amendments Act
Miscellaneous » Unclassified

ADAADSAus Den Augen, Aus Dem Sinn
International » German

ADAAGAmericans with Disabilities Act Accessibility Guidelines
Governmental » US Government

ADABAlcohol and Drug Advisory Board
Academic & Science

ADABAsian Development Assistance Board (Liaoning, China)
Academic & Science

ADABAssociation for Devoted Arms of Bafakhy
Academic & Science » Students

ADABAssociation for Devoted Arms of Bafakhy
Community » Associations

ADABAssociation of Development Agencies in Bangladesh
Community » Development

ADABAl Dhafra Air Base (US and United Arab Emirates)
Governmental

ADABANSF (Afghanistan National Security Forces) Development Assistance Bureau (US Special Inspector General for Afghan Reconstruction)
Governmental

ADABAlcohol and Drug Advisory Board
Medical » Drugs

ADABAction pour le Développement de l'Afrique à la Base (French: Agenda for the Development of Africa in the Base; Cameroon)
Miscellaneous

ADABAgricultural Development Agencies in Bangladesh
Miscellaneous

ADABAssociation of Development Agencies in Bangladesh
Miscellaneous » Unclassified

ADABAustralian Development Assistance Bureau
Regional » Australian

ADACAcadémie des Arts de Combat (French: Academy of Combat Arts; self-defense training)
Academic & Science

ADACAdenosine Amine Congener
Academic & Science

ADACAdvanced Digital Acoustic Coding
Academic & Science » Electronics