| Yaban Ördeği, 20081224 | Yaban Ördeği | 20081224 | 24th December 2008 | Antalya | Antalya | Turkey | 4 |
| Yaō, 20220903 | Yaō (The Wild Duck / 野鴨) | 20220903 | 3rd September 2022 | Setagaya paburikkushiatā | Setagaya paburikkushiatā
(Setagaya Public Theatre) | Japan | 2 |
| Yaō, 20220921 | Yaō (The Wild Duck / 野鴨) | 20220921 | 21st September 2022 | Hyōgo kenritsu geijutsu bunka sentā | Hyōgo kenritsu geijutsu bunka sentā
(Hyogo Performing Arts Center) | Japan | 2 |
| Yūrei, 20250325 | Yūrei (Ghosts / 幽霊) | 20250325 | 25th March 2025 | Theatre 711 | Theatre 711 | Japan | 1 |
| Yhteiskunnan tukeet, 18840116 | Yhteiskunnan tukeet | 18840116 | 16th January 1884 | Suomalainen Teatteri | Suomalainen Teatteri | Finland | |
| Yhteiskunnan tukeet, 18840924 | Yhteiskunnan tukeet | 18840924 | 24th September 1884 | Turku (Åbo) | Turku (Åbo) | Finland | |
| Yhteiskunnan tukeet, 18931124 | Yhteiskunnan tukeet | 18931124 | 24th November 1893 | Suomalainen Teatteri | Suomalainen Teatteri | Finland | |
| Young Men's League, The, 19051008 | The Young Men's League | 19051008 | 8th October 1905 | Murray Hill Theatre | Murray Hill Theatre | United States of America | |
| Yūrei, 19120112 | Yūrei (Ghosts / 幽霊) | 19120112 | 12th January 1912 | Yǒu lèzuò | Yǒu lèzuò
(Yurakuza Theatre) | Japan | |
| Yaō, 19130501 | Yaō (The Wild Duck / 野鴨) | 19130501 | 1st May 1913 | Yǒu lèzuò | Yǒu lèzuò
(Yurakuza Theatre) | Japan | |
| Yūrei, 19141107 | Yūrei (Ghosts / 幽霊) | 19141107 | 7th November 1914 | Sanjo Seinen Kaikan Hall, The | The Sanjo Seinen Kaikan Hall | Japan | |
| Yūrei, 19180421 | Yūrei (Ghosts / 幽霊) | 19180421 | 21st April 1918 | Ushigome geijutsu kurabu | Ushigome geijutsu kurabu
(Ushigome Art Club) | Japan | |
| Yūrei, 19211104 | Yūrei (Ghosts / 幽霊) | 19211104 | 4th November 1921 | Tetsudokai Auditorium | Tetsudokai Auditorium | Japan | |
| Yhteiskunnan pylväät, 19220421 | Yhteiskunnan pylväät | 19220421 | 21st April 1922 | Suomen Kansallisteatteri | Suomen Kansallisteatteri | Finland | |
| Yūrei, 19221111 | Yūrei (Ghosts / 幽霊) | 19221111 | 11th November 1922 | Yǒu lèzuò | Yǒu lèzuò
(Yurakuza Theatre) | Japan | |
| Yaō, 19230216 | Yaō (The Wild Duck / 野鴨) | 19230216 | 16th February 1923 | Yǒu lèzuò | Yǒu lèzuò
(Yurakuza Theatre) | Japan | |
| Yōn gaburieru borukuman, 19240915 | Yōn gaburieru borukuman (John Gabriel Borkman / ヨーン・ガブリエル・ボルクマン) | 19240915 | 15th September 1924 | Tsukiji Shōgekijō | Tsukiji Shōgekijō
(Tsukiji Little Theatre) | Japan | |
| Yūrei, 19250115 | Yūrei (Ghosts / 幽霊) | 19250115 | 15th January 1925 | Tsukiji Shōgekijō | Tsukiji Shōgekijō
(Tsukiji Little Theatre) | Japan | |
| Yūrei, 19280311 | Yūrei (Ghosts / 幽霊) | 19280311 | 11th March 1928 | Tsukiji Shōgekijō | Tsukiji Shōgekijō
(Tsukiji Little Theatre) | Japan | |
| Yūrei, 19771206 | Yūrei (Ghosts / 幽霊) | 19771206 | 6th December 1977 | Susukida Studio | Susukida Studio | Japan | |
| Yūrei, 19760211 | Yūrei (Ghosts / 幽霊) | 19760211 | 11th February 1976 | Haiyūza gekijō | Haiyūza gekijō
(Haiyuza Theatre (Actors' Theatre)) | Japan | |
| Yūrei, 19760428 | Yūrei (Ghosts / 幽霊) | 19760428 | 28th April 1976 | Akosha Studio | Akosha Studio | Japan | |
| Yūrei, 19870618 | Yūrei (Ghosts / 幽霊) | 19870618 | 18th June 1987 | Kyōtofu Tachi bunka geijutsu kaikan | Kyōtofu Tachi bunka geijutsu kaikan
(Kyoto Prefectural Center for Arts and Culture) | Japan | |
| Yūrei, 19870715 | Yūrei (Ghosts / 幽霊) | 19870715 | 15th July 1987 | Ginza Miyuki-kan gekijō | Ginza Miyuki-kan gekijō
(Ginza Miyukikan Theatre) | Japan | |
| Yijing yisheng yibusheng, 20121112 | Yijing yisheng yibusheng (Ibsen In One Take / 一镜一生易卜生) | 20121112 | 12th November 2012 | Trojan House Theater | Trojan House Theater
(木马剧场) | China | |
| Yijing yisheng yibusheng, 20130927 | Yijing yisheng yibusheng (Ibsen In One Take / 一镜一生易卜生) | 20130927 | 27th September 2013 | Shanghai | Shanghai | China | |
| Yijing yisheng yibusheng, 20131113 | Yijing yisheng yibusheng (Ibsen In One Take / 一镜一生易卜生) | 20131113 | 13th November 2013 | Guangzhou | Guangzhou | China | |
| Yūrei, 19911121 | Yūrei (Ghosts / 幽霊) | 19911121 | 21st November 1991 | Toyama prefectural hall for Education and Culturee | Toyama prefectural hall for Education and Culture | Japan | |
| Yhteiskunnan tukipylväät, 19800221 | Yhteiskunnan tukipylväät | 19800221 | 21st February 1980 | Mikkelin Teatteri | Mikkelin Teatteri | Finland | |
| Yūrei, 19940929 | Yūrei (Ghosts / 幽霊) | 19940929 | 29th September 1994 | Tōkyō Geijutsu Gekijō | Tōkyō Geijutsu Gekijō
(Tokyo Metropolitan Theatre) | Japan | |
| Yūrei, 19941208 | Yūrei (Ghosts / 幽霊) | 19941208 | 8th December 1994 | Nijinokai Studio | Nijinokai Studio | Japan | |
| Yūrei, 19970918 | Yūrei (Ghosts / 幽霊) | 19970918 | 18th September 1997 | Kinokuniya sazanshiatā | Kinokuniya sazanshiatā
(Kinokuniya Southern Theatre) | Japan | |
| Yōn gaburieru borukuman, 19970924 | Yōn gaburieru borukuman (John Gabriel Borkman / ヨーン・ガブリエル・ボルクマン) | 19970924 | 24th September 1997 | Kinokuniya sazanshiatā | Kinokuniya sazanshiatā
(Kinokuniya Southern Theatre) | Japan | |
| Yaō, 19680620 | Yaō (The Wild Duck / 野鴨) | 19680620 | 20th June 1968 | Geijutsuza Theatre | Geijutsuza Theatre | Japan | |
| Yōn gaburieru borukuman, 19680928 | Yōn gaburieru borukuman (John Gabriel Borkman / ヨーン・ガブリエル・ボルクマン) | 19680928 | 28th September 1968 | Nissei gekijō | Nissei gekijō
(Nissay Theatre) | Japan | |
| Yūrei, 19670225 | Yūrei (Ghosts / 幽霊) | 19670225 | 25th February 1967 | Haiyūza gekijō | Haiyūza gekijō
(Haiyuza Theatre (Actors' Theatre)) | Japan | |
| Yūrei, 19300223 | Yūrei (Ghosts / 幽霊) | 19300223 | 23rd February 1930 | Hibiya kōkaidō | Hibiya kōkaidō
(Hibiya Public Hall) | Japan | |
| Yaō, 19650514 | Yaō (The Wild Duck / 野鴨) | 19650514 | 14th May 1965 | Ohkuma Auditorium | Ohkuma Auditorium | Japan | |
| Yaō, 19971012 | Yaō (The Wild Duck / 野鴨) | 19971012 | 12th October 1997 | Ginza Miyuki-kan gekijō | Ginza Miyuki-kan gekijō
(Ginza Miyukikan Theatre) | Japan | |
| Yūrei, 20020110 | Yūrei (Ghosts / 幽霊) | 20020110 | 10th January 2002 | Shinjuku Shinseikan Theatre | Shinjuku Shinseikan Theatre | Japan | |
| Yhteiskunnan tukipylväät, 20020126 | Yhteiskunnan tukipylväät | 20020126 | 26th January 2002 | Vaasan Kaupunginteatteri | Vaasan Kaupunginteatteri | Finland | |
| Yaō, 20020606 | Yaō (The Wild Duck / 野鴨) | 20020606 | 6th June 2002 | Shinseikan sutajio | Shinseikan sutajio
(Shinseikan Studio) | Japan | |
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