| Throndhjems Theater | Throndhjems Theater | Norway, Trondheim, Prinsens Gate 20 | 1861-11-17 | 1863-11-04 | 1861–1863 | 2 | 1 |
| Theater Erfurt | Theater Erfurt | Germany, Erfurt, Theaterpl. 1 | 1999-01-30 | -- | 1999 | 1 | |
| Topoľčany | Topoľčany | Slovak Republic, Topoľčany | 1912-04-25 | -- | 1912 | 1 | |
| Theatre Royal | Theatre Royal | England, Bradford, West Yorkshire, Manningham Lane | 1911-06-12 | 1911-06-17 | 1911 | 3 | |
| Theatro Praxis | Theatro Praxis | Cyprus, Limassol | 2003-03-07 | -- | 2003 | 1 | |
| Teatro Fenice | Teatro Fenice | Italy, Trieste | 1895-04-27 | -- | 1895 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Szczecin | 1955-06-01 | -- | 1955–1968 | 2 | |
| Teatrul Dramatic Fani Tardini | Teatrul Dramatic Fani Tardini | Romania, Galaţi, Str. Domnească, nr. 59 | 1959-01-20 | -- | 1959 | 1 | |
| Trafalgar Studios | Trafalgar Studios | England, London, 14 Whitehall | 2013-12-17 | 2014-03-22 | 2013–2014 | 2 | |
| Theater Tri-bühne | Theater Tri-bühne | Germany, Stuttgart, Eberhardstraße 61A | 2005-02-18 | 2007-04-14 | 2005–2006 | 3 | |
| The Weller Theatre | The Weller Theatre | United States of America, Zanesville | 1903-10-20 | 1903-12-02 | 1903 | 2 | |
| Trafó Kortárs Művészetek Háza | Trafó Kortárs Művészetek Háza | Hungary, Budapest, Liliom u. 41 | 2005-02-18 | 2015-05-25 | 2005–2015 | 4 | |
| Théâtre de la Foudre | Théâtre de la Foudre | France, Petit-Quevilly, Rue François Mitterrand | 2005-01-11 | 2009-11-22 | 2005–2009 | 3 | |
| Théâtre de l´Ancre | Théâtre de l´Ancre | Belgium, Charleroi, Rue de Montigny 122 | 1986-10-14 | 1996-05-25 | 1986–1996 | 4 | |
| Tămăoani | Tămăoani | Romania, Frumuşiţa | -- | -- | | | |
| Teatro Guaíra | Teatro Guaíra | Brazil, Curitiba, R. XV de Novembro, 971 | 1966-11-01 | -- | 1966–1989 | 4 | |
| Théâtre Municipal i Avignon | Théâtre Municipal i Avignon | France, Avignon, Place de l'Horloge | 2003-07-17 | 2004-07-22 | 2003–2004 | 2 | |
| Theatro Oasis | Theatro Oasis | Cyprus, Nikosia | 1938-09-25 | -- | 1938 | 1 | |
| Teatro Duse | Teatro Duse | Italy, Genova | 1960-10-28 | 2001-03-25 | 1960–2001 | 4 | |
| Teater Fusentast | Teater Fusentast | Norway, Trondheim, Riddervolds gate 28 | 1997-11-03 | -- | 1997 | 1 | |
| Théâtre de l'Oulle - La Factory | Théâtre de l'Oulle - La Factory | France, Avignon, Rue de la plaisance | 2017-07-07 | 2017-07-30 | 2017 | 1 | |
| Tekisenkai Nohgaku Kenshūjo | Tekisenkai Nohgaku Kenshūjo (Tekisenkai Noh Theater Training Institute) | Japan, Tokyo | 2024-05-23 | 2024-05-26 | 2024 | 1 | |
| Théâtre Hébertot | Théâtre Hébertot | France, Paris | 2010-09-03 | 2010-11-27 | 2010 | 1 | |
| Teatro da Casa da Cultura | Teatro da Casa da Cultura | Brazil, Caxias do Sul | 1987-05- | -- | 1987 | 1 | |
| Teatro del Anglo | Teatro del Anglo | Uruguay, Montevideo, San José, Bacacay | 1989-10-21 | -- | 1989 | 1 | |
| Teater Plaza | Teater Plaza | Sweden, Stockholm | 1998-10-10 | -- | 1998 | 1 | |
| Theater am Goetheplatz at Bremer Theater | Theater am Goetheplatz at Bremer Theater | Germany, Bremen, Goetheplatz 1 | 1951-09-30 | -- | 1951–1995 | 2 | |
| Theater an der Effingerstrasse, Das | Das Theater an der Effingerstrasse | Switzerland, Bern, Effingerstrasse 14 | 2005-11-01 | 2015-05-29 | 2005–2015 | 3 | |
| Teatro Victoria Eugenia | Teatro Victoria Eugenia | Spain, San Sebastian / Donostia, Argentinar Errepublika, 2 | 1928-08-29 | -- | 1928 | 1 | |
| Teatre Goya | Teatre Goya | Spain, Barcelona | 1932-09-18 | -- | 1932 | 1 | |
| Theater Heilbronn | Theater Heilbronn | Germany, Heilbronn, Berliner Pl. 1 | 2010-09-24 | 2011-02-02 | 2010–2018 | 2 | |
| Toronto Free Theatre | Toronto Free Theatre | Canada, Toronto | 1972-11-10 | -- | 1972–1973 | 2 | |
| Theater Freiberg | Theater Freiberg | Germany, Freiberg, Borngasse 1 | 2013-09-21 | 2014-02-20 | 2013 | 1 | |
| Theatro sto palio typografeio tou Empros í Théatro EMPROS | Theatro sto palio typografeio tou Empros í Théatro EMPROS (Theater at the Old Printing Office of Embros or EMBROS Theater) | Greece, Athina, P.C., Palamidou Riga 2 | 1991-12-20 | 1995-04-16 | 1991–1994 | 2 | |
| Théâtre du Vaudeville | Théâtre du Vaudeville | France, Paris | 1891-12-17 | 1895-02-11 | 1891–1895 | 3 | |
| Theatre Morin Heights | Theatre Morin Heights | Canada | 2019-11-07 | 2019-11-10 | 2019 | 1 | |
| Televisió Espanyola a Catalunya | Televisió Espanyola a Catalunya | Spain | -- | -- | | | |
| The Andrews Theatre | The Andrews Theatre | United States of America, Buffalo, 625 Main St | 2009-03-06 | 2009-04-05 | 2009 | 1 | |
| Teatr Ermolovoj | Teatr Ermolovoj (Ermolova Theatre) | Russia, Moscow, Tverskaya St, 5/6 | 1996-03-21 | -- | 1996 | 1 | |
| Teater Druzhba | Teater Druzhba | Georgia, Tbilisi, Gldani-Nadzaladevi | 1990-01-11 | 1990-01-12 | 1990 | 1 | |
| Théâtre de l'Avenue | Théâtre de l'Avenue | France, Paris, 5 rue du Colisée | 1931-11-17 | -- | 1931 | 1 | |
| Theater Bregenz (Forster-Saal) | Theater Bregenz (Forster-Saal) | Austria, Bregenz | 1913-04-09 | -- | 1913 | 1 | |
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