| Theater Mausefalle Solothurn | Theater Mausefalle Solothurn | Switzerland, Zuchwil, Allmendweg 8 | 2007-05-18 | 2007-05-30 | 2007 | 1 | |
| Théâtre National de Bretagne | Théâtre National de Bretagne | France, Rennes, 1 Rue Saint-Hélier | 1997-05-28 | 2014-03-22 | 1997–2014 | 8 | |
| Teatr Miejski | Teatr Miejski | Poland, Kalisz | 1904-11-29 | 1906-10-21 | 1904–1907 | 5 | |
| Teatr im. Ludwika Solskiego | Teatr im. Ludwika Solskiego | Poland, Tarnów, Adama Mickiewicza 4 | 1978-11-26 | -- | 1978–2002 | 2 | |
| Teatro Don Bosco | Teatro Don Bosco | Italy, Rome, Via Publio Valerio, 63 | 2004-11-26 | -- | 2004 | 1 | |
| Teatro Comunale Walter Chiari | Teatro Comunale Walter Chiari | Italy, Cervia, v. XX Settembre 125, 48015 | 2012-01-14 | 2012-01-15 | 2012 | 4 | |
| Théâtre de Lisieux-Pays d’Auge | Théâtre de Lisieux-Pays d’Auge | France, Lisieux, 2 Rue au Char | 1997-03-01 | 1997-03-28 | 1997–2013 | 2 | |
| Théâtre de l'Est Parisien (TEP) | Théâtre de l'Est Parisien (TEP) | France, Paris, 159 Avenue Gambetta | 1999-03-30 | 1999-04-15 | 1999 | 1 | |
| Teatr Nowy | Teatr Nowy | Poland, Kraków, Gazowa 21 | 2009-01-16 | -- | 2009 | 1 | |
| Théâtre Kléber-Méleau | Théâtre Kléber-Méleau | Switzerland, Renens, Chemin de l'Usine à gaz 9 | 2004-09-28 | 2015-02-15 | 2004–2015 | 5 | |
| Theaterwerkstatt Würzburg | Theaterwerkstatt Würzburg | Germany, Würzburg, Rüdigerstraße 4, 97070 | 2024-02-10 | 2024-03-23 | 2024 | 1 | |
| Teatro Lope de Vega | Teatro Lope de Vega | Spain, Madrid, Gran Vía, 57 | 2007-06-02 | 2010-02-07 | 2007–2010 | 3 | |
| Theatre at the Mill | Theatre at the Mill | Northern Ireland, Newtownabbey, Carnmoney Rd N, Mossley Mill | 2011-04-08 | 2011-04-09 | 2011–2018 | 2 | |
| Tingvold | Tingvold | Norway, Tingvold | 1966-04-29 | -- | 1966 | 1 | |
| Teatro India | Teatro India | Italy, Roma, Lungotevere Vittorio Gassman, 1, 00146 Roma RM, Italy | 2022-11-25 | 2022-11-27 | 2022 | 1 | |
| Teatr kinoteatra | Teatr kinoteatra | Russia, Moscow | 1957-01-27 | -- | 1957 | 1 | |
| Theaterhaus Köln | Theaterhaus Köln | Germany, Köln (Cologne), Stammstraße 38 | 2003-10-03 | 2004-04-25 | 2003 | 1 | |
| The Artillery Lane Players | The Artillery Lane Players | United States of America, St. Augustine | 1948-02-20 | -- | 1948 | 1 | |
| Theatre Royal | Theatre Royal | Scotland, Glasgow, 282 Hope St | 1912-04-15 | 2018-01-20 | 1912–2018 | 8 | |
| Théâtre National Populaire | Théâtre National Populaire | France, Villeurbanne, 8 Place du Docteur Lazare Goujon | 1981-05-06 | 2016-02-06 | 1981–2016 | 5 | |
| Teatro Verdi | Teatro Verdi | Italy, Genova, Piazza Alfredo Oriani | 1906-06-06 | -- | 1906 | 1 | |
| Teatr Polski | Teatr Polski | Poland, Bielsko-Biala, 1 Maja 1 | 1958-10-04 | -- | 1958–1990 | 4 | |
| Teatro Sociale | Teatro Sociale | Italy, Cittadella, Via Indipendenza | 2005-03-18 | -- | 2005 | 1 | |
| Teatro Carignano | Teatro Carignano | Italy, Genova, Viale Villa Glori, 8, 16128 Genova GE, Italy | 2011-04-30 | 2011-05-01 | 2011 | 1 | |
| Teatro Auditorio Federico García Lorca | Teatro Auditorio Federico García Lorca | Spain, San Fernando de Henares, Av de Irún, s/n, Av. Eibar | 2016-03-12 | -- | 2016 | 1 | |
| Terschelling | Terschelling | Netherlands, Terschelling, Friesland | 1999-06-10 | 1999-06-19 | 1999 | 1 | |
| Teatr Ludowy | Teatr Ludowy | Poland, Warsaw | 1957-03-02 | -- | 1957 | 1 | |
| Teatro Carcano | Teatro Carcano | Italy, Milan, Corso di Porta Romana, 63 | 1898-11-22 | 2022-12-21 | 1898–2022 | 7 | |
| Teatro Santa Chiara - Mina Mezzadri | Teatro Santa Chiara - Mina Mezzadri | Italy, Brescia, Contrada Santa Chiara, 50, 25122 Brescia BS, Italy | 2018-05-02 | 2024-02-25 | 2018–2024 | 2 | |
| Theater de Enck | Theater de Enck | Netherlands, Oirschot | 2012-03-24 | -- | 2012 | 1 | |
| TIMBRe4 Madrid | TIMBRe4 Madrid | Spain, Madrid, Calle de Arganzuela, 6 | -- | -- | | | |
| Teatro Cherubini | Teatro Cherubini | Italy, Florence | 1953-02-18 | -- | 1953 | 1 | |
| Theatrikos Stathmos | Theatrikos Stathmos (Heraklion Theater Station) | Greece, Heraklion / Irakleio | 2005-01-15 | 2011-12-16 | 2005–2011 | 2 | |
| Theater in der Universitätsstadt Greifswald | Theater in der Universitätsstadt Greifswald | Germany, Greifswald, Domstraße 11 | 1957-12-14 | -- | 1957 | 1 | |
| Telemark | Telemark | Norway, Telemark | 1992-- | 2000-11-28 | 1992–2000 | 2 | |
| The Hague | The Hague | Netherlands, The Hague | -- | -- | | | |
| Teatro Filarmonico di Piove di Sacco | Teatro Filarmonico di Piove di Sacco | Italy, Padova, Via Arturo Toscanini, 8 | 2003-11-28 | -- | 2003 | 1 | |
| Teatro Price | Teatro Price | Spain, Madrid, Plaza del Rey | 1920-10-09 | -- | 1920 | 1 | |
| Theater Alte Oele | Theater Alte Oele | Switzerland, Thun, Freienhofgasse 10 | 2009-12-11 | -- | 2009 | 1 | |
| Teatro Educandato Statale Agli Angeli | Teatro Educandato Statale Agli Angeli | Italy, Verona, Via Cesare Battisti, 8, 37122 Verona VR, Italy | 2024-02-29 | -- | 2024 | 1 | |
| Teatrul de Comedie | Teatrul de Comedie | Romania, Bucharest, Strada Sf. Dumitru, nr. 2 sector 3 | 1945-- | 2017-01-12 | 1945–2015 | 3 | |
| Teatro Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 1 | |
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