| urinação | urination |
| urinol | urinal |
| Urinoterapia | Urine therapy |
| urinário | urinary |
| Urkabustaiz | Urkabustaiz |
| URL | Uniform Resource Locator |
| URL amigável | friendly URL |
| URL eleitoral | URL (Uniform Resource Locator) |
| Urmein | Urmein |
| Urmia | Urmia |
| urna | urn |
| urna eleitoral | ballot boxralrryboat |
| Urnäsch | Urnäsch |
| Urochordata | Tunicate |
| Urofilia | Urolagnia |
| urologia | urology |
| urologista | urologist |
| Uropeltidae | Uropeltidae |
| Uros | Uros |
| Urraca Fernandes de Castela | Urraca Fernández |
| Urraca I de Leão e Castela | Urraca of Castile |
| Urraul Alto | Urraúl Alto |
| Urraul Bajo | Urraúl Bajo |
| Urretxu | Urretxu |
| urro | call |
| urroi | bellow |
| Urroz | Urroz |
| ursa | she-bear |
| Ursa Maior | Big Dipper |
| Ursa Major | Ursa Major |
| Ursa Menor | Little Dipper |
| Ursa Minor | Ursa Minor |
| Ursensollen | Ursensollen |
| Ursidae | Bear |
| ursinho de pelúcia | teddy bear |
| Ursinho Puff | Winnie-the-Pooh |
| Ursinhos Carinhosos | Care Bears |
| ursino | bearishe |
| Ursins | Ursins |
| urso | bear |
| Urso Barney | Barney Bear |
| Urso de Ouro | Golden Bear |
| urso pardo | grizzly |
| urso polar | polar bear |
| urso-branco | polar bear |
| urso-cinzento | grizzly bear |
| Urso-do-atlas | Atlas Bear |
| urso-malaio | sun bear |
| Urso-negro | American Black Bear |
| Urso-pardo | Brown Bear |
| urso-polar | polar bear |
| Urso-preto-asiático | Asiatic Black Bear |
| ursoi | bearele |
| URSS | USSR |
| Ursula Andress | Ursula Andress |
| Ursus | Ursus |
| Ursy | Ursy |
| ursídeos | ursid |
| Urtext | Urtext edition |
| Urticaceae | Urticaceae |
| urticária | hives |
| urtiga | stinging nettle |
| urtiga-morta | dead nettle |
| Uru | Spot-winged Wood-quail |
| Urubamba | Urubamba River |
