| Ubieta, Enrique (1934 - ) Cuba |
| Uduman, Sohrab (1962 - ) Sri Lanka |
| Ueda, Masanao (? - ) Japan |
| Ueno, Ken (1970 - ) U.S.A. |
| Ueno, Masatoshi (1947 - ) Japan |
| Uga, Pierre (1931 - ) France |
| Ugoletti, Paolo (1956 - ) Italy |
| Ugras Durmus, Sadik (1978 - ) Turkey |
| Uhl, Alfred (1909 - 1992) Austria |
| Uhlik, Tomislav (1956 - ) Croatia |
| Uhrmacher, Dominik (? - ) Germany |
| Ulehla, Ludmila (1923 - 2009) U.S.A. |
| Ulián, Alberto (1920 - 1996) Uruguay |
| Ulivelli, Gianluca (1970 - ) Italy |
| Ullman, Bo (1929 - 1989) Sweden |
| Ulman, Erik (1969 - ) U.S.A. |
| Ulrich, Jürgen (1939 - 2007) Germany |
| Ultan, Lloyd (1929 - 1998) U.S.A. |
| Unander-Scharin, Carl (1964 - ) Sweden |
| Underhill, Owen (1954 - ) Canada |
| Ung, Chinary (1942 - ) Cambodia |
| Unger, Frank (1953 - ) Germany |
| Ungerank, Dietmar (1950 - ) Austria |
| Unrein, Scott (1976 - ) U.S.A. |
| Unterhofer, Heinrich (1958 - ) Italy |
| Unterpertinger, Judith (1977 - ) Austria |
| Uray, Ernst Ludwig (1906 - 1988) Austria |
| Urbaitis, Mindaugas (1952 - ) Lithuania |
| Urban, Pierre (1930 - ) France |
| Urban, Stepán (1913 - 1974) Czech Republic |
