AAA: Archives of American Art
AAD: Access to Archival Databases
AAO: Amtsanschlußorgan
AAPC: Accounting and Auditing Policy Committee
AAS: Office of Airport Safety and Standards
ABMC: American Battle Monuments Commission
ABPP: American Battlefield Protection Program
AC: Area Committee
ACC: Air Combat Command
ACD: Advanced Counterfeit Deterrence
ACDA: Arms Control and Disarmament Agency
ACE: Automated Commerical Environment
ACES: Active Community Environments Initiative
ACF: Administration for Children and Families
ACFR: Administrative Committee of the Federal Register
ACGIH: American Conference of Governmental Industrial Hygienists
ACHP: Advisory Council on Historic Preservation
AcqNet: AcqNet
ACQWeb: Office of the Under Secretary of Defense for Acquisition and Technology
ACS: American Citizens Services and Crisis Management
ACSFA: Advisory Committee on Student Financial Assistance
ACSL: Alternate Crops and Systems Lab
ACYF: Administration for Children, Youth and Families
ADA: Americans with Disabilities Act
ADC: Against Digital Counterfeiting of Currency
ADD: Administration on Developmental Disabilities
ADDS: Aviation Digital Data Service
ADF: African Development Foundation
ADG: Antidiskriminierungsgesetz
ADN: Allgemeiner Deutscher Nachrichtendienst
ADR: Alternative Dispute Resolution
ADS: Approved Destination Status
AdW: Akademie der Wissenschaften
AEO: Authorized Economic Operator
AES: Automated Export System
AFC: American Folklife Center
AFCARS: Adoption and Foster Care Reporting and Analysis System
AFDC: Aid to Families with Dependent Children
AFIS: American Forces Information Service
AFMLS: Asset Forfeiture and Money Laundering Section