| ABBE | americký astronóm (Cleveland, 1838-1916) |
|---|---|
| AD | Advance Development |
| ADC | Advanced Development Centers |
| ADD | Administration on Developmental Disabilities |
| ADD | Athlete Development Director |
| ADK | Agent Development Kit |
| ADM | Advanced Development Model |
| ADM | Architecture Development Method |
| ADP | Advanced Development Plan |
| ADP | Application Development Platform |