| Ulrichs, Carl | Carl Ulrichs | Director | 1898 - 1908 | 12 | |
| Ulbrich, Franz | Franz Ulbrich | Director | 1919 - 1924 | 4 | |
| Underland, Niels Peter | Niels Peter Underland | Director | 2012 - 2015 | 3 | |
| Unger, Alduin | Alduin Unger | Director | 1900 | 1 | |
| Unkovski, Slobodan | Slobodan Unkovski | Director | 1991 | 1 | |
| Uramowicz, Andrzej | Andrzej Uramowicz | Director | 1969 | 1 | |
| Uitdehaag, Antoine | Antoine Uitdehaag | Director | 2004 | 1 | |
| Uteganov, Aleksej | Aleksej Uteganov | Director | 2008 - 2016 | 2 | |
| Ung, Yang Jung | Yang Jung Ung | Director | 2009 - 2012 | 3 | |
| Upper, Nick | Nick Upper | Director | 2015 - 2016 | 2 | |
| Uzman, Umran | Umran Uzman | Director | 1965 | 1 | |
| Urnov, Yury | Yury Urnov | Director | 2017 | 1 | |
| Uchitel, Joseph | Joseph Uchitel | Director | 2006 | 1 | |
| Urumov, Ivan | Ivan Urumov | Director | 2013 | 1 | |
| Ungern, Rudolf, Aleksandrovich | Rudolf Aleksandrovich Ungern | Director | 1908 | 1 | |
| Undnæs, Sverre | Sverre Undnæs | Director | 1975 | 1 | |
| Urdal, Helga | Helga Urdal | Director | 1977 | 1 | |
| Umgelter, Fritz | Fritz Umgelter | Director | 1955 | 1 | |
| Uchiyama, Shun | Shun Uchiyama | Designer, Director, Translator | 1984 - 1986 | 3 | |
| Unt, Mati | Mati Unt | Designer, Director, Sound Designer | 1984 - 2004 | 6 | |
| Ukkonen, Riitta | Riitta Ukkonen | Designer | 2006 | 1 | |
| Ullmann, Helge | Helge Ullmann | Designer | 1997 - 2012 | 2 | |
| Ustinov, Jurij | Jurij Ustinov | Designer | 1999 | 1 | |
| Ul Akhlaq, Zahoor | Zahoor Ul Akhlaq | Designer | 1992 - 1994 | 2 | |
| Uchiyama, Tsutomu | Tsutomu Uchiyama | Designer | 1989 - 2012 | 11 | |
| Ulrici, Wolfgang | Wolfgang Ulrici | Designer | 1938 - 1939 | 2 | |
| Unitt, Edward G. | Edward G. Unitt | Designer | 1907 - 1910 | 6 | |
| Ulfers, Eric | Eric Ulfers | Designer | 1979 | 1 | |
| Unt, Aime | Aime Unt | Designer | 1976 - 1978 | 2 | |
| Uchida, Kimio | Kimio Uchida | Designer | 1991 | 1 | |
| Uesugi, Mikiko | Mikiko Uesugi | Designer | 1999 - 2002 | 2 | |
| Utrobina, Marija | Marija Utrobina | Designer | 2005 | 1 | |
| Uglár, Csaba | Csaba Uglár | Designer | 2015 | 1 | |
| Ullmann, Robert | Robert Ullmann | Designer | 1940 | 1 | |
| Uchiyama, Ben | Ben Uchiyama | Designer | 2008 - 2010 | 6 | |
| Upor, Tibor | Tibor Upor | Designer | 1957 | 1 | |
| Uimonen, Pentti | Pentti Uimonen | Designer | 1998 | 1 | |
| Urmuzescu, Adriana | Adriana Urmuzescu | Designer | 2007 | 1 | |
| Ulikowski, Günter | Günter Ulikowski | Designer | 1976 | 1 | |
| Usunova, Varja | Varja Usunova | Designer | 1980 | 1 | |
| Uchiyama, Senkichi | Senkichi Uchiyama | Designer | 1983 - 1984 | 2 | |
| Ungan, Teresa | Teresa Ungan | Designer | 2017 | 1 | |
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