- Ur
- Ur's planet (Intuition)
- Ur-box
- Ur-space
- Ur XVII
- Urak
- Ural mountains
- Uraniture
- Uranium
- Uranium-235
- Uranium G21
- Uranus
- Uranus (mythology)
- Uranus (short story)
- Uraz
- Urban IX
- Urban Myths (audio story)
- Urban XII
- Urbanka
- Urbankan
- Urbankan android
- Urbanus Ignotus
- Urbarg
- Urbinia
- Urbsbandi
- Urchin
- Urdu
- Urethra
- Urgent Calls (audio story)
- Urglanic Shapeshifter
- Uri Geller
- Uriel (Sunday Afternoon, AD 848,988)
- Uriel (The Final Chapter)
- Uriel (disambiguation)
- Uriel (planet)
- Urien Deiniol
- Urine
- Urizen
- Urizen's Wall
- Urizen's game-master
- Urlic
- Urma Landis
- Urmungstandra
- Urn
- Urn of Rassilon
- Uroboros (comic story)
- Urodelian
- Urquhart
- Urquhart (Deadly Reunion)
- Urrozdinee
- Urrozdinee (short story)
- Ursa Major
- Ursa Minor
- Urshanabi
- Ursina
- Ursine
- Ursine Brood
- Ursino Six
- Ursu
- Ursu Group
- Ursula (Warring States)
- Ursula Blake
- Ursula Blake/Gallery
- Ursula Burton
- Ursula Granville
- Ursula Marshall
- Ursulan
- Ursulonamex
- Ursus
- Urtak
- Urtaki
- UrtiCorp Project
- Urtilaxian
- Urtshi
- Uruguay
- Uruk
- Urukian District
- Urun-hutsaiki Rak