| Abbreviation | Definition |
|---|---|
| AOTW | Athlete of the Week |
| AOTY | Album Of The Year |
| AOU | A Other Universe |
| AOU | AC Oregon Utah |
| AOU | Add On Upgrade |
| AOU | Air Operations Unit |
| AOU | All Of Us |
| AOU | Allegation of Use |
| AOU | Alternative Operating Unit |
| AOU | Apparent Oxygen Utilisation |
| AOU | Avionics Obsolescence Upgrade |
| AOUM | Archives of Ohio United Methodism |
| AOUME | Abstinence Only until Marriage Education |
| AOUSC | Administrative Office of U S Courts |
| AOUW | Ancient Order of United Workmen |
| AOV | Acoustically Optimized Vent |
| AOV | Act of Violence |
| AOV | Agents of Value |
| AOV | Air Operated Valve |
| AOV | All Occasion Video |