- utility knife
- utility man
- utility player
- utility pole
- utility program
- utility room
- utility truck
- utility wear
- utilization
- utilize
- ut infra
- uti possidetis
- utmost
- utmost good faith
- Utnapishtim
- Uto-Aztecan
- Utopia
- Utopian
- utopianism
- utopian socialism
- Utopia Planitia
- utopism
- Utraquist
- Utrecht
- utricle
- utricular
- utriculate
- utriculitis
- Utrillo
- Utsunomiya
- ut supra
- uttapam
- Uttarakhand
- Uttar Pradesh
- utter
- utterance
- utter a word
- utter barrister
- uttering
- utterly
- uttermost
- utu
- Utu
- Utuado
- U-turn
- Utzon
- UU
- Uub
- Uuh
- UUM
- Uun
- Uuo
- Uup
- Uuq
- Uus
- Uut
- Uuu
- UV
- UVA
- UV-A
- Uvalde
- U-value
- uvarovite
- UVB
- UV-B
- UV Ceti star
- uvea
- Uvedale
- uveitis
- UVF
- UV filter
- UV index
- uvula
- uvular
- uvulectomy
- uvulitis
- UWB
- UWIST
- UX
- ux.
- Uxbridge
- Uxmal
- uxor
- uxorial
- uxoricide
- uxorilocal
- uxorious
- uy
- Uyghur
- Uys
- uz
- UZ
- Uzbeg
- Uzbek
- Uzbekistan
- Uzi
- Uzziah
- Uˈgandan
