| undsätta | assist |
| undsättning | relief |
| undulat | budgerigar |
| Undulator | Undulator |
| undvara | go without |
| undvika | get out of |
| undvikande | avoidance |
| undviker | avoids |
| Une Seule Nuit | Une Seule Nuit |
| UNECE | United Nations Economic Commission for Europe |
| UNESCAP | United Nations Economic and Social Commission for Asia and the Pacific |
| UNESCO | UNESCO |
| UNFICYP | United Nations Peacekeeping Force in Cyprus |
| UNFPA | United Nations Population Fund |
| ung | young |
| ung dam | damsel |
| ung flickscout | brownie |
| ung kvinna | youth |
| ung kvinnlig filmstjärna | starlet |
| Ung man med gitarr | Loving You |
| Ung rebell | Rebel Without a Cause |
| ung stjärna | starlet |
| ung svan | cygnet |
| Unga kvinnor | Little Women |
| unga människor | youngsters |
| ungar | kids |
| Ungavabukten | Ungava Bay |
| Ungavahalvön | Ungava Peninsula |
| ungdjur | young |
| ungdom | adolescence |
| Ungdom Med Uppgift | Youth With A Mission |
| ungdomar | youngsters |
| ungdomens källa | Fountain of Youth |
| ungdomlig | adolescent |
| ungdomlighet | youthfulness |
| ungdoms- | juvenile |
| ungdomsbrottslighet | juvenile delinquency |
| ungdomsbrottsling | juvenile delinquent |
