| Abbreviation | Definition |
|---|---|
| A2030SD | Agenda 2030 Sustainable Development (UN) |
| AACD | American Association for Counseling and Development |
| AAD | Academic and Athletic Development |
| AAD | Agent Asset Development |
| AADB | American Association for the Development of Bangou |
| AADC | Ashland Area Development Corporation |
| AADCP | ASEAN Australia Development Cooperation Program |
| AADF | Albanian-American Development Foundation |
| AADI | Action for Ability Development and Inclusion |
| AADM | Associate Agency Development Manager |
| AADP | Annexation Area Development Policies |
| AAED | Arizona Association For Economic Development |
| AAND | Aboriginal Affairs and Northern Development |
| AANDC | Aboriginal Affairs Northern Development Canada |
| AARD | Academy for Advanced Research Development |
| AARD | Alberta Agriculture and Rural Development |
| AARDO | African Asian Rural Development Organisation |
| AARDO | Afro Asian Rural Development Organization |
| AAS | Aquatic Agricultural Systems |
| AASD | African American Student Development |