| unghöna | pullet |
| ungicid | fungicide |
| ungkarl | bachelor |
| ungkarlar | bachelors |
| ungkarlshotell | flophouse |
| Ungkarlslyan | The Apartment |
| ungkarlsstånd | bachelorhood |
| Ungmennafélag Grindavíkur | Ungmennafélag Grindavíkur |
| ungmö | damsel |
| Ungoliant | Ungoliant |
| ungrare | Hungarian |
| ungsbakad rätt | bakemeat |
| ungsto | filly |
| ungt träd | sapling |
| ungtjur | steer |
| UNHCR | United Nations High Commissioner for Refugees |
| Unholy Terror | Unholy Terror |
| Unica Zürn | Unica Zürn |
| UNICEF | UNICEF |
| Unicode | Unicode |
| Unidad Popular | Unidad Popular |
| Uniejów | Uniejów |
| UNIFEM | United Nations Development Fund for Women |
| Unified display interface | Unified Display Interface |
| uniform | uniform |
| Uniform Resource Locator | Uniform Resource Locator |
| uniformerad | uniformed |
| uniformskavaj | tunic |
| uniformsrock | tunic |
| Unigenitus | Unigenitus |
| UNII-banden | U-NII |
| unik | only |
| Unikod | Unicode |
| unikt | uniquely |
| unilateral | unilateral |
| unilaterism | unilateralism |
