| Term | Full Form | Category |
|---|---|---|
| NOU | Nalanda Open University | Others |
| NOU | National Open University | Others |
| NOU | National Ozone Unit | Others |
| NOU | Nebraska Ornithologists' Union | Others |
| NOU | Nepal Open University | Others |
| NOU | No One Underground | Others |
| NOU | Nonsense Organizational Units | Others |
| NOU | Norges Offentlige Utredninger | Others |
| NOU | North Orissa University | Others |
| NOU | Norway Opening Universities | Others |
| NOU | Not Often Used | Others |
| NOU | Notices Of Unroadworthiness | Others |
| NOU | Tontouta, Noumea, New Caledonia | Others |