| Acronym | Definition |
|---|
| UNL➣Unlisted |
| UNL➣University of Nebraska-Lincoln |
| UNL➣Universidade Nova de Lisboa (Portugal) |
| UNL➣Universidad Nacional del Litoral (Argentina) |
| UNL➣Unleaded (gasoline) |
| UNL➣Union Nationale Lycéenne (French: National High School Student Union; est. 1994) |
| UNL➣Universal Networking Language |
| UNL➣University of North London |
| UNL➣Universal Networking Language (computer knowledge processing) |
| UNL➣Upper Normal Limit |
| UNL➣Ultimate Net Loss |
| UNL➣Unthinkable Natural Law (video game) |
| UNL➣Upstream Neighbor List |