- UT
- UT1
- Uta
- Uta stansburiana
- Utah
- Utahan
- utahraptor
- UTC
- Ute
- utensil
- uterine
- uterine artery
- uterine cavity
- uterine cervix
- uterine contraction
- uterine tube
- uterine vein
- uterus
- Utica
- utile
- utilisation
- utilise
- utilised
- utiliser
- utilitarian
- utilitarianism
- utility
- utility bond
- utility man
- utility program
- utility revenue bond
- utility routine
- utility-grade
- utilizable
- utilization
- utilize
- utilized
- utilizer
- utmost
- UTN
- Utnapishtim
- Uto-Aztecan
- Uto-Aztecan language
- Utopia
- Utopian
- utopian socialism
- Utopianism
- Utrecht
- utricle
- Utricularia
- utriculus
- Utrillo
- Uttar Pradesh
- utter
- utterable
- utterance
- uttered
- utterer
- utterly
- uttermost
- utterness
- Utu
- Utug