| Author | Titles | | 1.
| Ünsal, Deniz | 2 | | 2.
| Unseld, Siegfried | 1 | | 3.
| ünstlerbund Hagen (Grupo de artistas) | 0 | | 4.
| Related author: Kokoschka, Oskar, 1886-1980 | 13 | | 5.
| UNStudio (Firma de Arquitectura) | 2 | | 6.
| Unterdörfer, Michaela | 13 | | 7.
| Unterkircher, Franz | 1 | | 8.
| Untermann, Jurgen | 6 | | 9.
| Untermeyer, Louis, 1885-1977 | 1 | | 10.
| Untracht, Oppi | 2 | | 11.
| Unver, Ahmet, 1981- | 1 |
|
|
