| Acronym | Definition |
|---|
| UNSR➣United Nations Special Rapporteur |
| UNSR➣United Nations Special Representative |
| UNSR➣Urea Nitrogen Synthesis Rate |
| UNSR➣Unclassified National Security Related |
| UNSR➣Ultimate NASCAR (National Association for Stock Car Auto Racing) Simulation Racing (online racing series) |
| UNSR➣United Nations Standard Rules on the Equalization of Opportunities for Persons with Disabilities (est. 1993) |