| ubald | hugu | bald | m | | 1083 | Bischof v. Gubbio 1083-1160, hl. |
| ubbi | ubier? | | m | asächs | 0875 | |
| ubbo | ubier? | | m | fries | | |
| uda | uodal | | w | ofries | | Heilige |
| udalbert | uodal | beraht | m | | | |
| udalfried | uodal | fridu | m | | | |
| udalschak | uodal | scalk | m | | 12.jh | Stiftsgründer 12.jh, hl. |
| udalwig | uodal | wig | m | | | |
| ude | uodal | | w | | | |
| udelar | adal | ario | m | | | |
| udele | uodal | | w | | | |
| udelhild | uodal | hiltja | w | | | |
| udelind | uodal | linta | w | | | |
| udith | uodal | gueth | w | germ | | |
| udo | uodal | | m | | 09.jh | Mönch auf Reichenau 9.jh, hl. |
| uelfing | wolf | iunc | g | aisl | | Helgilied |
| uerech | uodal | richi | m | | | |
| uerich | uodal | richi | m | | | |
| uetz | uodal | | m | | | |
| uffo | uodal | | m | fries | | |
| ufke | uodal | fridu | m | | | |
| uggi | ? | | m | isl | | Laxdalsaga, Vater d. Ulf Hausdrapadichters |
| uhl | uodal | | m | | | |
| uhlig | uodal | richi | m | | | |
| uhlmann | uodal | man | m | | | |
| uilas | uodal | ? | m | | 0540 | Gepide, Leibwächter d. Ildibad |
| ula | uodal | | w | | | |
| ulbert | uodal | beraht | m | | | |
| ulbricht | uodal | beraht | m | | | |
| ule | uodal | | m | | | |
| ulerk | uodal | richi | m | fries | | |
| ulf | wolf | | m | isl | | Laxdalsaga, Dichter d. Hausdrapa |
| ulfari | wolf? | ario | m | langob | 0591 | langob. Herzog in Tarvisium um 591 |
| ulfert | uodal | hart | m | fries | | |
| ulfhard | wolf | hart | m | | | |
| ulfhild | wolf | hiltja | w | | | |
| ulfilas | wolf | | m | got | 04.jh | got. Bibelübersetzer |
| ulfr | wolf | | m | aisl | | Hyndluliod |
| ulfrid | wolf | frid | m | ndeut | 1028 | engl. Missionar in Schweden +1028, hl. |
| ulfried | uodal | fridu | m | | | |
| ulfrun | wolf | runa | w | aisl | | Nord. Mythologie |
| uli | uodal | | b | | | |
| uliaris | uodal | ario | m | | 0534 | got. Kommandant v. Neapel um 534 |
| ulias | uodal | ans | m | | 0538 | got. Adliger |
| uligisal | uodal | gisil | m | | 0538 | got. Kommandant in Tuder |
| ulitheus | uodal | diot | m | | 0538 | Schwager d. Witichis +538 |
| ulla | hold | | w | sved | | |
| ulli | uodal | | b | | | |
| ullmann | uodal | man | m | | | |
| ullr | uodal | | m | | | Gestalt d. Mytologie |
| ullus | uodal | richi | m | | | |
| ulrich | uodal | richi | m | | 0890 | Bischof v. Augsburg 890-973, hl. |
| ulrik | uodal | richi | m | sved | | |
| ulrike | uodal | richi | w | | | |
| ulritz | uodal | richi | m | | | |
| ulvhild | wolf | hiltja | w | sved | | |
| ulwig | uodal | wig | m | | | |
| umma | oet | maeri | w | | | |
| ummo | oet | maeri | m | fries | | |
| unferth | unnan? | fridu | m | aengl | 07.jh | Beowulfepos |
| unichis | unnan? | gisli? | m | | | Langobardensaga |
| unilas | unan | ? | m | | 0537 | got. Heerzog unter Witichis |
| unn | unnan | | w | isl | | Laxdalsaga, Tochter d. Ketil Flachnase |
| unna | unnan | | w | fries | 0687 | Wohltäterin +687, hl. |
| unni | unnan | | m | | 0918 | Erzbischof v. Bremen-Hamburg 918+936, hl. |
| unno | unnan | | m | ofries | | |
| unroch | unnan | rohoen | m | fränk | 0811 | fränk. Graf um 811 |
| unulf | unnan | wolf | m | langob | 0662 | langob., Freund d. Pertari um 662 |
| unwan | unnan | | m | ahd | 1013 | Erzbischof v. Bremen 1013-1029, Heiliger |
| uodalrich | uodal | richi | m | | | |
| uodo | uodal | | m | fränk | 0811 | fränk. Graf um 811 |
| uote | uodal | | w | | | Gestalt d. Nibelungen, Kriemhilds Mutter |
| urajas | ? | ? | m | | 0538 | Neffe d. Witichis |
| urda | urd | | w | nord | | Gestalt d. Mytologie |
| ure | uodal | richi | w | | | |
| urech | uodal | richi | m | | | |
| urichis | uodal? | richi | m | langob | 0510 | Bruder des Langobardenkönigs Tato um 510 |
| urle | uodal | richi | m | | | |
| urm | ? | | m | adän | 0811 | dän. Adeliger um 811 |
| urmina | hermion | | w | nländ | | |
| urte | urd | | w | sved | | germ. Schicksalsgöttin |
| usdrilas | ? | ? | m | | 0552 | got. Kommandant v. Ariminum |
| ustrigotthus | ? | gaute | m | | 0552 | gepid. Thronfolger, floh zu d. Langobarden |
| uta | uodal | | w | hdeut | | |
| ute | uodal | | w | hdeut | | |
| uthelm | uodal | helm | m | | | |
| uto | uodal | | m | ahd | 1025 | Markgraf v. Stade um 1025 |
| utsch | uodal | | m | | | |
| utta | uodal | | w | | | |
| utto | uodal | | m | | 09.jh | Mönch auf Reichenau 9.jh, hl. |
| utz | uodal | richi | m | | | |
| uwe | oet | | m | fries | | |
| uwo | oet | | m | fries | | |
| uz | uodal | richi | m | | | |