| Abbreviation | Definition |
|---|---|
| ATDP | Advocacy Training and Development Program |
| ATDS | Automotive Testing and Development Services |
| ATED | Appropriate Technology Enabled Development |
| ATED | Arlington Tourism and Economic Development |
| ATEED | Auckland Tourism Events and Economic Development |
| ATEED | Auckland Tourism Events Economic Development |
| ATTD | Assembly Test Technology Development |
| ATWD | Addiction Training and Workforce Development |
| AVID | Audio Visual Industrial Development |
| AWDA | Atlanta Workforce Development Agency |
| AWDC | Aboriginal Workforce Development Centre |
| AWDC | Aboriginal Workforce Development Centres |
| AWDC | Azerbaijan Women and Development Center |
| AWDF | African Women Development Fund |
| AWDP | Afghanistan Workforce Development Program |
| AWGPD | ASEAN Working Group on Pharmaceutical Development |
| AWGPD | ASEAN Working Group on Pharmaceuticals Development |
| AWWD | Annual Waste Water Discharge |
| AYD | Austin Youth Development |
| AYDAP | African Youth Development Action Project |