U
- Anna Uddenberg
- Conrad Ufer
- Frank Ufert
- UFO
- Dagmar Uhde
- Günther Uhlig
- Rebekka Uhlig
- Hans Uhlmann
- Andrei Ujica
- Gerhard Ullmann
- Ingeborg Ullrich
- Jessica Ullrich
- Tom Ullrich
- Elke Ulmer
- Anke Ulrich
- Antonia Ulrich
- Timm Ulrichs
- Ultra-Red
- Dani Umpi
- Paula Underrock
- Wilhelm Unger
- unhaltbar/leere Versprechungen
- Zala T. S. Unkmeir
- Manuela Unverdorben
- UNWETTER
- Gabi Urban
- Urbanisticki Institut Hrvatske
- ifau - institut für angewandte urbanistik
- URBAN PLANT RESEARCH
- Tamás Urbán
- Itziar Bilbao Urrutia
- Anastasia Usatova
- Nikolaus Utermöhlen
- Bosque Utopico
- U.V.A.
Please note: The details of people/the projects they took part in are incomplete.