| Theatro ton Komodion | Theatro ton Komodion (comedy theater) | Greece, Athens | 1894-10-29 | 1894-11-13 | 1894 | 1 | |
| Teatrul de Mişcare Studio M | Teatrul de Mişcare Studio M | Romania, Sfântu Gheorghe, Szabadság tér 1. sz. | 2016-02-16 | -- | 2016 | 1 | |
| Teatro Fumane | Teatro Fumane | Italy, Fumane, Via V. Ugolini, 3, 37022 Fumane, VR, Italy | 2023-12-09 | -- | 2023 | 1 | |
| Theatre Saint-Michel | Theatre Saint-Michel | Belgium, Brussels, Rue Père Eudore Devroye 2 | 2011-02-01 | -- | 2011 | 1 | |
| Theater Erfurt | Theater Erfurt | Germany, Erfurt, Theaterpl. 1 | 1999-01-30 | -- | 1999 | 1 | |
| Teater Innlandet | Teater Innlandet | Norway, 2317 Hamar, Torggata 100 | 2024-02-08 | 2024-02-11 | 2024 | 1 | |
| Telemark gymnas | Telemark gymnas | Norway, Bø i Telemark | 1960-10-08 | -- | 1960–1971 | 3 | |
| The Print Room | The Print Room | England, London, 103 Notting Hill Gate | 2011-11-16 | 2019-03-09 | 2011–2019 | 3 | |
| Teatro San Juan | Teatro San Juan | Spain, Cáceres | 1922-10- | -- | 1922 | 1 | |
| Theatro Polytheama | Theatro Polytheama | Greece, Volos | 1913-10-17 | -- | 1913 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Monfalcone, Corso del Popolo, 20 | 1999-01-12 | 2019-03-13 | 1999–2019 | 4 | |
| Tverskoj teatr dramy | Tverskoj teatr dramy (Tver Drama Theatre) | Russia, Tver, Ulitsa Sovetskaya, 16, Tver, Tver Oblast, Russia, 170100 | 2019-12-03 | -- | 2019 | 1 | |
| Théâtre du Vieux Colombier | Théâtre du Vieux Colombier | France, Paris, 21 Rue du Vieux Colombier | 1961-06-05 | 2002-05-04 | 1961–2002 | 2 | |
| The Grand | The Grand | United States of America, Atlanta | 1906-12-27 | 1906-12-27 | 1906 | 1 | |
| Theatro Apollon | Theatro Apollon (Apollon Theatre) | Greece, Patra, Platia Georgiou A | 1897-01-25 | 1999-04-04 | 1897–1999 | 7 | |
| Theatre Royal | Theatre Royal | England, Leamington | 1908-03-09 | 1910-04-30 | 1908–1910 | 5 | |
| Theatro Eleftheria | Theatro Eleftheria | Greece, Ioannina, Ioannina | 1914-09-13 | -- | 1914 | 1 | |
| Teatro La Comunità | Teatro La Comunità | Italy, Rome, Via Giggi Zanazzo, 1 | 1990-12-10 | -- | 1990–1992 | 2 | |
| Théâtre Paul Eluard | Théâtre Paul Eluard | France, Choisy-le-Roi, 4 Avenue de Villeneuve Saint-Georges | 1999-02-12 | 1999-02-13 | 1999 | 1 | |
| Theater Reichenau | Theater Reichenau | Austria, Reichenau an der Rax, Hauptstraße 28 | 2010-07-03 | 2017-08-02 | 2010–2017 | 3 | |
| Teatro Arbeu | Teatro Arbeu | Mexico, Mexico, Allende, Colonia Centro | 1904-07-19 | -- | 1904–1909 | 2 | |
| Teatret Om | Teatret Om | Denmark, Ringkøbing, Buen 15 | 2013-09-21 | -- | 2013 | 1 | |
| Theater der Altmark Stendal | Theater der Altmark Stendal | Germany, Stendal, Karlstraße 6 | 1993-12-11 | 2011-04-09 | 1993–2010 | 3 | |
| Théâtre National Populaire | Théâtre National Populaire | France, Villeurbanne, 8 Place du Docteur Lazare Goujon | 1981-05-06 | 2016-02-06 | 1981–2016 | 5 | |
| Theatro Palaias Ilektrikis | Theatro Palaias Ilektrikis (Old Electric Theater) | Greece, Volos | 2009-11-13 | 2009-12-13 | 2009 | 1 | |
| Teatro 13 | Teatro 13 | Italy, Firenze, Via Aurelio Nicolodi, 2, 50131 Firenze FI, Italy | 2006-04-03 | 2016-05-18 | 2006–2024 | 10 | |
| Theatro Monternoi Kairoi | Theatro Monternoi Kairoi (Modern Times Theatre) | Greece, Athens | 1980-12-25 | 1981-03-22 | 1980 | 1 | |
| TAQA Theater De Vest | TAQA Theater De Vest | Netherlands, Alkmaar, Canadaplein 2 | 2008-03-20 | -- | 2008–2017 | 2 | |
| Teatro della Villa | Teatro della Villa | Italy, Rome | 1999-12-08 | 1999-12-19 | 1999 | 1 | |
| Tōkyō Geijutsu Gekijō | Tōkyō Geijutsu Gekijō (Tokyo Metropolitan Theatre) | Japan, 1 Chome-8-1 Nishiikebukuro, Toshima City, Tokyo 171-0021, Japan | 1994-09-29 | 2014-11-24 | 1994–2014 | 3 | |
| Teatr Telewizji | Teatr Telewizji | Poland, Warsaw, Teatr TV, ul. Woronicza 17 | 1962-12-10 | 2009-02-16 | 1962–2009 | 18 | |
| Theater de Muzeval | Theater de Muzeval | Netherlands, Emmen, Boermarkeweg 43 | 2000-04-18 | -- | 2000–2001 | 2 | |
| Teatr Polski Victoria | Teatr Polski Victoria | Poland, Łódź | 1882-10-29 | 1918-12-23 | 1882–1918 | 17 | |
| Thalia Theater - Alstertor | Thalia Theater - Alstertor | Germany, Hamburg, Alstertor 1 | 2021-11-09 | 2022-02-11 | 2021 | 1 | |
| Teatersalen | Teatersalen | Norway, Bø i Telemark | 1963-01-26 | -- | 1963–1969 | 3 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Częstochowa | 1955-02-22 | -- | 1955 | 1 | |
| Teatro Morlacchi | Teatro Morlacchi | Italy, Perugia, Piazza Morlacchi 13 | 2001-12-04 | 2020-01-14 | 2001–2020 | 5 | |
| Theater in der List | Theater in der List | Germany, Hannover, Spichernstr. 13 | 2019-11-07 | 2019-11-09 | 2019 | 1 | |
| Theater in der Universitätsstadt Greifswald | Theater in der Universitätsstadt Greifswald | Germany, Greifswald, Domstraße 11 | 1957-12-14 | -- | 1957 | 1 | |
| Theater in der Königgrätzer Straße | Theater in der Königgrätzer Straße | Germany, Berlin, Stresemannstraße 29-29a | 1912-12-04 | 1913-05-14 | 1912–1920 | 6 | |
| Theatret i Nykjøbing | Theatret i Nykjøbing | Denmark, Nykøbing | 1884-02-17 | -- | 1884–1908 | 8 | |
| Teatro 99 Posti | Teatro 99 Posti | Italy, Mercogliano, Via Traversa, 91 - Torelli di, 83013 Mercogliano AV, Italy | 2013-10-12 | 2013-10-13 | 2013 | 1 | |
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