Surnames starting with "U"
- Uba
- Uber
- Ubinger
- Uchwal
- Uckele
- Uckno
- Udall
- Udd
- Udelhofen
- Udell
- Udell Â
- Udine
- Udinski
- Udit
- Udlinek
- Udouj
- Udovich
- Udvarhelyi
- Uebbing
- Uebinger
- Uechi
- Uecker
- Uehlein
- Uekman
- Ueland
- Uetrecht
- Ufheil
- Ufkes
- Ugate
- Uhal
- Uhazie
- Uhelsky
- Uher
- Uhl
- Uhlenhake
- Uhlenhopp
- Uhler
- Uhlig
- Uhlinger
- Uhlman
- Uhlmann
- Uhrig
- Uhrin
- Uhrinek
- Uhte
- Uidenich
- Uitts
- Ujvari
- Uken
- Ulander
- Ulcar
- Uldrikson
- Ulerick
- Ulery
- Ulichney
- Ulicne
- Uline
- Ulishney
- Ulisse
- Ullemeyer
- Ullery
- Ullinskey
- Ullman
- Ullmann
- Ullmer
- Ullom
- Ullrich
- Ulm
- ULMAN
- Ulmer
- Ulrey
- Ulrich
- Ulriuch
- ULSES
- Ulshoefer
- Ulwelling
- Ulyon
- Ulz
- Umbach
- Umbaugh
- Umbel
- Umble
- Umbro
- Umenh
- Umenhofer
- Umholtz
- Umile
- UMINSKI
- Umlah
- Umland
- Umlauf
- Ummarino
- Ummel
- Umphres
- Umphress
- Umphrey
- Umphries
- Umshler
- Umstattd
- Umstead
- Una
- Unangst
- Uncapher
- Unckrich
- Uncles
- Unczur
- Undem
- Underberg
- Underdahl
- Underdown
- Underhill
- Underland
- Underwood
- Ung
- Ungate
- Unger
- Ungerer
- Unglaub
- Ungles
- UNIS
- Unites
- Unkefer
- Unkel
- Unkenholz
- Unland
- Unrein
- Unrue
- Unruh
- Unruh2009-20
- Unseld
- Unsell
- UNSWORTH
- Unterberger
- Unterseher
- Unthank
- Untied
- Untiet
- Unverfehrt
- Unverferth
- Unze
- Uonelli
- Upchurch
- Updegraff
- Updegrove
- Updike
- Updike-Trice
- Upham
- Uphaus
- Uphoff
- UPHOLD
- Uphouse
- Upkins
- Upleger
- Uplinger
- Upp
- Uppenkamp
- Uppole
- Upshaw
- UPSON
- Uptegraft
- Upthegrove
- Upton
- URA
- Uram
- Uran
- Urasek
- Urashka
- Urbach
- Urban
- Urban-Edwards
- URBANEK
- Urbaniak
- Urbanic
- Urbanik
- Urbano
- Urbanowski
- Urbanski
- Urbas
- Urbashich
- Urbieta
- Urbin
- Urbina
- Urbine
- URBISH
- Urbonas
- Urch
- Urdzik
- Ure
- Uren
- Urenda
- Uresti
- Urevich
- Urevig
- Urey
- Urffer
- Urhahn
- Urian
- Urias
- Uribe
- Urick
- Urie
- Urig
- Urioste
- Urita
- Urlick
- Urmey
- Urner
- Urquhart
- Urquidi
- Urrutia
- Ursacki
- Urschel
- Ursegay
- Ursick
- Urso
- Ursta
- Ursua
- Urtel
- URVAN
- Urwiler
- Urwin
- Ury
- Usakowski
- Usas
- Uschak
- Uscilowski
- Uselton
- Usher
- Usitalo
- Uslin
- Usner
- Usovsky
- USREY
- Usry
- Ussery
- Ussher
- Ustohal
- Utecht
- Utgaard
- Uthe
- Utich
- Utley
- Utrup
- Utsler
- Utt
- UTTER
- Utterback
- Uttley
- Utynek
- Utz
- Uvalle
- Uzdill
- Uzzell
- Uzzilio
- Uzzle