| UNS | U kNow Squat 
| Others |
| UNS | Ubiquitous Network Society
| Others |
| UNS | Ugland Nordic Shipping
| Others |
| UNS | Ultimate Nerd Server
| Others |
| UNS | Ultimate Ninja Storm
| Others |
| UNS | Undergraduate Nursing Society
| Others |
| UNS | Unicenter Notification Service
| Others |
| UNS | Unified Name Service
| Others |
| UNS | Unified National Special
| Others |
| UNS | Unified Numbering System
| Others |
| UNS | Uniform National Swing
| Others |
| UNS | Unique Nucleotide Sequence
| Others |
| UNS | Unique Numbering System
| Others |
| UNS | United Nation Swissindo
| Others |
| UNS | United Nations Sanctions
| Others |
| UNS | United Nations Ship
| Others |
| UNS | Universal Navigation Switch
| Others |
| UNS | Universal Number System
| Others |
| UNS | Universal Numbering System
| Others |
| UNS | Universidad Nacional Del Santa
| Others |
| UNS | Universidad Nacional del Sur
| Others |
| UNS | University News Service
| Others |
| UNS | University of Novi Sad
| Others |
| UNS | Unmet Need Score
| Others |
| UNS | Unnilseptium
| Others |
| UNS | Unsupported
| Others |
| UNS | Up N Smoke
| Others |
| UNS | Urban Neighborhood Services
| Others |
| UNS | User Name Server
| Others |
| UNS | User Notification Service
| Others |
| UNS | Ustaska NADZORNA Sluzba
| Others |
| UNS | Ustaska Narodna Sluzba
| Others |