| Jugendtheaterwerkstatt Spandau | Jugendtheaterwerkstatt Spandau | Germany, Berlin, Gelsenkircher Str. 20 | 2001-07-28 | 2001-10-14 | 2001 | 1 | |
| Jugoslovenski pozorišni festival Užice | Jugoslovenski pozorišni festival Užice | Serbia, Užice | 2000-- | -- | 2000–2002 | 2 | |
| Jugoslovensko dramsko pozorište | Jugoslovensko dramsko pozorište | Serbia, Belgrade, Kralja Milana 50 | 1953-12-30 | 1977-06-05 | 1953–2001 | 4 | |
| Juilliard School Drama Theater | Juilliard School Drama Theater | United States of America, New York, Frnt 5, 70 Lincoln Center Plz | 1986-04-19 | 2018-10-14 | 1986–2018 | 3 | |
| JUKUZ | JUKUZ | Germany, Aschaffenburg, Kirchhofweg 2 | 2009-11-23 | 2009-11-25 | 2009 | 1 | |
| junction Dubai, The | The junction Dubai | United Arab Emirates, Dubai, Alserkal Avenue 17th St. | 2019-08-22 | 2019-08-24 | 2019 | 1 | |
| Junge Bühne | Junge Bühne | Switzerland, Arlesheim, Nelkenweg 3 | 2016-09-02 | 2016-09-11 | 2016 | 1 | |
| Junge Theater, Das | Das Junge Theater | Germany, Berlin | 1984-10-02 | -- | 1984 | 1 | |
| Junges Theater Göttingen | Junges Theater Göttingen | Germany, Göttingen, Hospitalstraße 6 | 2008-09-25 | 2013-09-17 | 2008–2013 | 3 | |
| Jungle Theater | Jungle Theater | United States of America, Minneapolis, 2951 Lyndale Ave S, MN 55408 | 2020-01-15 | 2020-02-23 | 2020 | 1 | |
| Junsele | Junsele | Sweden, Junsele | 1989-09-30 | 1989-09-30 | 1989 | 1 | |
| Junushoff | Junushoff | Netherlands, Wageningen | 1989-03-07 | 1989-04-02 | 1989–2013 | 3 | |
| Juozo Miltinio Dramos Teatras | Juozo Miltinio Dramos Teatras | Lithuania, Panevėžys, Laisvės a. 5, | 2010-09-25 | -- | 2010 | 1 | |
| Jurys Inn | Jurys Inn | Scotland, Edinburgh, 43 Jeffrey St | 2003-08-03 | 2004-08-28 | 2003–2004 | 2 | |
| Jüterbog, Brandenburg | Jüterbog, Brandenburg | Germany | -- | -- | | | |
| Jyväskylän | Jyväskylän | Finland, Jyväskylän | -- | -- | | | |
| Jyväskylän Kaupunginteatteri | Jyväskylän Kaupunginteatteri | Finland, Jyväskylä, Vapaudenkatu 36 | 1967-- | 2003-12-02 | 1967–2002 | 4 | |
| Jönköping | Jönköping | Sweden, Jönköping | 1936-10-12 | 1993-11-16 | 1936–1993 | 3 | |
| Jönköping Teater | Jönköping Teater | Sweden, Jönköping | 1872-03-30 | 1884-02-03 | 1872–1905 | 4 | |
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