| Uchida, Toru | Toru Uchida | Director | 1978 | 1 | |
| 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 | 1 |
| 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 | |
| Ustinov, Artyom | Artyom Ustinov (Артём Устинов) | Director | 2024 | 1 | |
| Ungurjanu, Ion | Ion Ungurjanu | Director, Dramaturg | 1979 - 1981 | 3 | |
| Urquijo, Hugo | Hugo Urquijo | Director, Dramaturg, Translator | 1971 - 2006 | 4 | |
| Underferth, Jason | Jason Underferth | Director, Lighting Designer, Producer | 2004 - 2012 | 32 | |
| Unwin, Stephen | Stephen Unwin | Director, Translator | 1994 - 2013 | 59 | 1 |
| Uchimura, Naoya | Naoya Uchimura | Director, Translator | 1965 - 1968 | 5 | 1 |
| Udovičić, Zeljka | Zeljka Udovičić | Dramaturg | 1999 | 1 | |
| Uitdehaag, Maria | Maria Uitdehaag | Dramaturg | 1990 | 1 | |
| Ungár, Júlia | Júlia Ungár | Dramaturg | 1994 - 2016 | 10 | |
| Ulwan, Peter | Peter Ulwan | Dramaturg | 1996 | 1 | |
| Urban, Martin | Martin Urban | Dramaturg | 1998 | 1 | |
| Upadhyay, Shivika | Shivika Upadhyay | Lighting Designer | 2010 | 1 | |
| Unrath, Klaus | Klaus Unrath | Lighting Designer | 1996 | 1 | |
| Uddin, Jasim | Jasim Uddin | Lighting Designer | 2004 | 1 | |
| Ungureanu, Constantin | Constantin Ungureanu | Lighting Designer | 1969 - 1979 | 2 | |
| Ulbrich, Erich | Erich Ulbrich | Lighting Designer | 2000 - 2001 | 2 | |
| Udevitz, Marvin | Marvin Udevitz | Lighting Designer | 1947 | 1 | |
| Unt, Lii | Lii Unt | Mask Maker | 1995 | 1 | |
| Uma-Yim, Ullarun, Vann | Ullarun Vann Uma-Yim | Mask Maker | 1985 | 1 | |
| Utzt, Wolfgang | Wolfgang Utzt | Mask Maker | 1991 | 1 | |
| Utnem, Andreas | Andreas Utnem | Musical Director | 2014 - 2015 | 2 | |
| Udovicic, Miodrag | Miodrag Udovicic | Musical Director | 2003 | 1 | |
| Urmuzescu, Paul | Paul Urmuzescu | Musical Director | 1955 - 1956 | 2 | |
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