| Abbreviation | Definition |
|---|---|
| AACE | Airworthiness Assurance Center of Excellence |
| AACP | Alleged Anti Competitive Practice |
| AADCP | ASEAN Australian Development Cooperation Program |
| AAF | Against All Fascists |
| AAGR | Average Annual Growth Rate |
| AAIA | Archives and Archival Institutions Act |
| AAMS | Automated Acquisition Management System |
| AAO | Approved acquisition objective |
| AAO | Arab Advertising Organization |
| AAP | Affirmative Action Program |
| AAPB | Advanced Acquisition Planning Board |
| AAPC | Accounting and Auditing Policy Committee |
| AAPI | Asian-American Pacific Islander |
| AAPP | Affirmative Action Planning Process |
| AAPS | Arable Aid Premium Scheme |
| AAR | Automated Agency Report |
| AASR | Affirmative Action Status Report |
| AATIP | Advanced Aerospace Threat Identification Program |
| AAU | Administrative Appeals Unit |
| AAWSAP | Advanced Aerospace Weapons Systems Application Program |