| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Michael Yeargan | Designer | 1978 - 2010 | 3 | |||
| Pekka Ylinen | Designer | 1980 | 1 | |||
| Osamu Yamada | Designer | 1967 | 1 | |||
| Elitza Yaneva | Designer | 2002 | 1 | |||
| Matthew York | Designer | 2004 | 1 | |||
| Eugene Chin-yuan Yang | Designer | 2005 - 2006 | 2 | |||
| Patrick Young | Designer | 2008 | 1 | |||
| Shin-dong Yeo | Designer | 2012 | 1 | |||
| Haibo Yu | Designer | 1983 | 1 | |||
| Ying Yang | Designer | 2015 - 2017 | 3 | |||
| Rongjun Yu | Designer | 2019 - 2020 | 3 | |||
| Marius Yatsovskis | Designer | 2018 | 1 | |||
| Cem Yılmazer | Designer | 2019 | 1 | |||
| Dariusch Yazdkhasti | Designer, Director | 2013 - 2017 | 4 | |||
| Cary Yerves | Designer, Lighting Designer | 1966 | 2 | |||
| Kazuya Yamada | Director | 1955 | 1 | |||
| Dan Yurgaitis | Director | 2004 | 1 | |||
| Tunc Yalman | Director | 1971 | 1 | |||
| Bai Yaocan | Director | 1997 | 1 | |||
| Kfir Yefet | Director | 2009 | 1 | |||
| Gamal Yakout | Director | 2006 | 3 | |||
| Evan Yionoulis | Director | 2009 | 1 | |||
| Zhu Yuanyuan | Director | 2010 | 1 | |||
| Sergei Yursky | Director | 1998 | 1 | |||
| Yossi Yzraely | Director | 1971 | 1 | |||
| James Yost | Director | 2014 | 1 | |||
| Jeremy Young | Director | 1975 | 1 | |||
| Océane Yard | Director | 2017 | 1 | |||
| Ken Yajima | Dramaturg | 2007 | 1 | |||
| Ming-zhi Yang | Dramaturg | 2013 | 1 | |||
| Henry York | Lighting Designer | 1936 | 1 | |||
| Yasushi Yashiro | Lighting Designer | 1928 | 1 | |||
| Wang Yao | Lighting Designer | 1996 | 2 | |||
| A. Yacknowitz | Lighting Designer | 1979 | 1 | |||
| Craig A. Young | Lighting Designer | 2010 | 1 | |||
| Chahine Yavroyan | Lighting Designer | 1993 - 2015 | 3 | |||
| Jerry Young | Lighting Designer | 1990 | 1 | |||
| Kan Yamaguchi | Lighting Designer | 1991 | 1 | |||
| Yoshinori Yamamoto | Lighting Designer | 1996 - 2006 | 4 | |||
| Eiichi Yoshikura | Lighting Designer | 1997 | 1 | |||
| Ahmedul Kabir Young | Lighting Designer | 2006 | 2 | |||
| Xu Yin | Lighting Designer | 2006 | 1 | |||