UNL
| 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 |