| ADD | Adapter Device Driver |
|---|---|
| ADN | Application Delivery Network |
| AED | Analog Event Driver |
| AIS | Universal Shipborne Automatics Identification System (skr.), univerzálny systém identifikácie lodí (angl.skr.) |
| AUR | American University of Rome |
| AUR | Association of University Radiologists |
| AUU | Adelaide University Union |
| DAN | Divers Alert Network |
| DOD | Date of Delivery (skr.) |
| DUK | Detská univerzita Komenského (skr.) |