| Acronym | Definition |
|---|
| AOU➣Arab Open University (Saudi Arabia) |
| AOU➣American Ornithologists' Union |
| AOU➣Agreement of Understanding (contracts; various organizations) |
| AOU➣Air Operations Unit |
| AOU➣American Ornithological Union |
| AOU➣Apparent Oxygen Utilization |
| AOU➣American Open University |
| AOU➣Area Of Uncertainty |
| AOU➣Arithmetic Output Unit |
| AOU➣Azimuth Orientation Unit |
| AOU➣Acronym Over-Usage |
| AOU➣Alliance for Ontario Universities |
| AOU➣Aviation Ordnanceman Utility (US Navy rank) |
| AOU➣Approved for Operational Use |