| Abbreviation | Definition |
|---|---|
| ASUS | Arts and Science Undergraduate Society |
| ASUU | Abia State University Uturu |
| ASUU | Academic Staff of Universities Union |
| ASUW | Arizona State University West |
| ASUW | Arizona State University West |
| ASWG | Academic Standards Working Group |
| ASWG | African Studies Working Group |
| ASY | Academic School Year |
| ASY | After Second Year |
| ATAP | Acquisition Tuition Assistance Program |
| ATAP | Associate Teacher Accreditation Program |
| ATBU | Abubakar Tafawa Balewa University |
| ATBU | Abubakar Tafawa Balewa University, Bauchi |
| ATBU | Association of Theravada Buddhist Universities |
| ATC | Advanced Technical Credit |
| ATC | Advanced Technology Center |
| ATC | Agricultural Technology Center |
| ATC | Agricultural Telematics Centre |
| ATC | Athletic Trainer Certified |
| ATCS | Approaches To Cognitive Science |