| Yrastorza Yuzon, Yan | Yan Yrastorza Yuzon | Actor, Director | 2004 | 2 | |
| Yashimoto, Hanako | Hanako Yashimoto | Actor, Director, Producer | 1994 | 3 | |
| Yeşil, Mahir, Ulaş | Mahir Ulaş Yeşil | Actor, Dramaturg | 2017 | 2 | |
| Yousuf, Abu Naser | Abu Naser Yousuf | Actor, Musician | 2000 - 2002 | 8 | |
| Yuen , Kai Leung | Kai Leung Yuen (袁啟亮) | Actor, Producer | 2006 | 2 | |
| Yardeni, Tal | Tal Yardeni | Actor, Video Designer | 2012 - 2021 | 2 | |
| Young, David | David Young | Adaptation | 2001 | 1 | 1 |
| Yi, Guang | Guang Yi | Adaptation | 2010 | 1 | |
| Yano, Yasuhito | Yasuhito Yano | Adaptation, Composer, Director | 2006 - 2018 | 21 | 1 |
| Yanqiu, Lu | Lu Yanqiu | Adaptation, Director | 2005 - 2006 | 16 | |
| Yansong, Wang | Wang Yansong | Adaptation, Director | 2010 - 2011 | 4 | |
| Yamazaki, Shohei | Shohei Yamazaki | Assistant Director | 2016 | 1 | |
| Yang, Ying | Ying Yang | Assistant Director | 2017 | 3 | |
| Yarushkina, Natalya | Natalya Yarushkina (Наталья Ярушкина) | Assistant Director | 2021 | 1 | |
| Yan, Dongxu | Dongxu Yan | Assistant Director, Dramaturg | 2017 | 4 | |
| Yunjin, Yang | Yang Yunjin | Choreographer | 2010 | 2 | |
| Yepes, Mariana | Mariana Yepes | Choreographer | 2023 | 1 | |
| Yershon, Gary | Gary Yershon | Composer | 2000 - 2016 | 10 | |
| Young, - | - Young | Composer | 1892 | 1 | |
| Yoshida, Takako | Takako Yoshida | Composer | 1934 | 1 | |
| Youssef, Dhafer | Dhafer Youssef | Composer | 2007 | 1 | |
| Yangfan, LI | LI Yangfan | Composer | 2012 - 2014 | 5 | |
| Yura, Kazuo | Kazuo Yura | Composer | 1968 | 1 | |
| Yanzuo, Wang | Wang Yanzuo | Composer | 2005 | 2 | |
| Yiling, Cheng | Cheng Yiling | Composer | 2009 | 1 | |
| Yanhua, Li | Li Yanhua | Composer | 2010 | 2 | |
| Yanoski, Mike | Mike Yanoski | Composer | 2012 | 1 | |
| Yotsov, Hristo | Hristo Yotsov | Composer | 2023 | 1 | |
| Yılmaz, Sudi | Sudi Yılmaz (Sudi Yilmaz) | Conductor | 1982 | 1 | |
| Yaeda, Kimiko | Kimiko Yaeda | Costume Designer | 1984 | 1 | |
| Yelland, Sue | Sue Yelland | Costume Designer | 1993 | 1 | |
| Ytterhus, Bjørg | Bjørg Ytterhus | Costume Designer | 1995 | 1 | |
| Youxuan, Wang | Wang Youxuan | Costume Designer | 1996 | 2 | |
| Yaven, Mitchell | Mitchell Yaven | Costume Designer | 1979 | 1 | |
| Ystehede, Ellen, Dæhli | Ellen Dæhli Ystehede | Costume Designer | 2014 - 2019 | 7 | |
| Yokkaichi, Keiko | Keiko Yokkaichi | Costume Designer | 1991 | 1 | |
| Yaji, Shigeru | Shigeru Yaji | Costume Designer | 1994 - 2008 | 4 | |
| Yeong, Alan | Alan Yeong | Costume Designer | 2009 | 1 | |
| Yañez, Paz | Paz Yañez | Costume Designer | 2015 - 2017 | 14 | |
| Yeater, Gladys | Gladys Yeater | Costume Designer | 2000 | 1 | |
| Yan, Ni | Ni Yan | Costume Designer | 2018 | 1 | |
| Yousefpoor, Dina | Dina Yousefpoor | Costume Designer | 2019 | 1 | |
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