| Abbreviation | Definition |
|---|---|
| AU | Auburn Univirsity |
| AU | Aurora University |
| AU | Autodesk University |
| AU | Avengers University |
| AU | Awkward University |
| AUA | American University of Antigua |
| AUA | American University of Armenia |
| AUA | Association of University Administrators |
| AUA | Atlantic University Alliance |
| AUAAA | Adelaide University Aquatic Animal Association |
| AUAAA | Adelaide University Aquatic Animals Association |
| AUAAA | Adventist University of Africa Alumni Association |
| AUAF | American University of Afghanistan |
| AUB | Adultery University of Beirut |
| AUB | American University of Barbados |
| AUB | American University of Beirut |
| AUB | American University of Beirut's |
| AUB | Arts University Bournemouth |
| AUB | Asian University of Bangladesh |
| AUBA | American University of Business Administration |