| Bremen | Bremen | Germany, Bremen | 1900-10- | 1952-02-16 | 1900–1952 | 2 | |
| Brønderslev nye Theater | Brønderslev nye Theater | Denmark, Brønderslev | 1907-11-10 | 1908-03-18 | 1907–1908 | 2 | |
| Bitef teatar | Bitef teatar | Serbia, Belgrade, Skver Mire Trailović 1 | 1978-- | -- | 1978–2008 | 2 | |
| Barcs | Barcs | Hungary, Barcs | 1925-02-23 | -- | 1925 | 1 | |
| Borggården, Akershus Festning | Borggården, Akershus Festning | Norway, Oslo | 1978-07-04 | 1983-06-30 | 1978–1983 | 4 | |
| Berliner Straße 46 / 48 16303 Schwedt/Oder | Uckermärkische Bühnen Schwedt | Germany, Schwedt/Oder, Berliner Straße 46 / 48 | 1992-04-17 | 2016-12-20 | 1992–2016 | 2 | |
| Bø i Telemark | Bø i Telemark | Norway, Bø i Telemark | 1966-09-09 | -- | 1966–2005 | 9 | |
| Black Box, Santa Clarita Performing Arts Center | Black Box, Santa Clarita Performing Arts Center | United States, Santa Clarita, 26455 Rockwell Canyon Rd | 2009-04-02 | 2009-04-05 | 2009 | 1 | |
| Black River Playhouse | Black River Playhouse | United States, Chester, 54 Grove St | 2002-04-19 | 2002-05-04 | 2002 | 1 | |
| Bispehaugen skole | Bispehaugen skole | Norway, Trondheim, Trondheim | 2003-12-19 | -- | 2003 | 1 | |
| Brazil | Brazil | Brazil, Brazil | 1954-06-27 | -- | 1954–2005 | 8 | |
| Birkenlund skole | Birkenlund skole | Norway, Arendal, Gamle Songevei 65 | 1969-01-29 | -- | 1969–1973 | 3 | |
| Bremgarten | Bremgarten | Switzerland, Bremgarten | 1991-09-20 | -- | 1991 | 1 | |
| Berliner Theater | Berliner Theater | Germany, Berlin, Charlottenstraße 90/92 | 1892-04-28 | 1894-07-18 | 1892–1907 | 4 | |
| Beauvais | Beauvais | France, Beauvais | -- | -- | | | |
| Bühnen der Stadt Bielefeld | Bühnen der Stadt Bielefeld | Germany, Bielefeld | 1976-10-23 | -- | 1976–1991 | 2 | |
| Barefoot Productions | Barefoot Productions | United States | 2018-10-05 | 2018-10-14 | 2018 | 1 | |
| Black Box Teater (Lille scene) på Aker brygge | Black Box Teater (Lille scene) på Aker brygge | Norway, Oslo, Aker brygge | 1990-09-01 | 1999-01-10 | 1990–1999 | 6 | |
| Bertolt-Brecht-Gesamtschule | Bertolt-Brecht-Gesamtschule | Germany, Bonn, Schlesienstraße 21-23 | 2006-05-22 | 2006-05-23 | 2006 | 1 | |
| Bol'soj Teatr | Bol'soj Teatr | Russia, St Petersburg | 1884-02-08 | -- | 1884 | 1 | |
| Baldwin Theatre | Baldwin Theatre | United States, San Francisco | 1890-11-30 | 1898-11-04 | 1890–1898 | 2 | |
| Black Box Theatre | Black Box Theatre | United States, Marshall, 1 Tiger Dr | 2018-04-26 | 2018-04-29 | 2018 | 1 | |
| Băileşti | Băileşti | Romania, Băileşti | -- | -- | | | |
| Bolærne | Bolærne | Norway, Nøtterøy, Bolærne | 2009-06-13 | -- | 2009 | 1 | |
| Biblioteket | Biblioteket | Norway, Fredrikstad | 1952-02-13 | -- | 1952 | 1 | |
| Bouffes du Nord | Bouffes du Nord | France, Paris, 37 Boulevard de la Chapelle | 1893-10-05 | 2018-02-18 | 1893–2018 | 6 | |
| Bjugn Kulturhus | Bjugn Kulturhus | Norway, Bjugn, Alf Nebbs gate 14 | 2012-11-10 | -- | 2012–2015 | 3 | |
| Banská Bystrica | Banská Bystrica | Slovak Republic, Banská Bystrica | 1890-11-19 | -- | 1890–1912 | 2 | |
| Bollnäs | Bollnäs | Sweden, Bollnäs | 1936-11-01 | -- | 1936 | 1 | |
| Berner Heimatschutz-Theater | Theater am Käfigturm ((Berner Heimatschutz-Theater)) | Switzerland, Bern, Spitalgasse 4 | 1986-02-25 | 1986-03-08 | 1986 | 1 | |
| Boerhoorn, De | De Boerhoorn | Netherlands, Zuidwolde, Oosterweg 14 | 2004-09-18 | -- | 2004 | 1 | |
| Båtsfjord | Båtsfjord | Norway, Båtsfjord | 1970-02-21 | -- | 1970–2009 | 6 | |
| Breidablikk | Breidablikk | Norway, Bø i Vesterålen | 1968-09-11 | -- | 1968 | 1 | |
| Békéscsaba | Békéscsaba | Hungary, Békéscsaba | 1890-09-15 | 1925-03-11 | 1890–1944 | 27 | |
| Black Box Teater (Lille Sal) | Black Box Teater (Lille Sal) | Norway, Oslo, Marstrandgata 8 | 2006-11-23 | 2010-07-02 | 2006–2010 | 3 | |
| Brunton Theatre | Brunton Theatre | Scotland, Musselburgh, Ladywell Way | 2004-05-27 | 2011-06-25 | 2004–2014 | 4 | |
| Balaka Secondary School | Balaka Secondary School | Malawi, Balaka | 2006-05-05 | -- | 2006 | 1 | |
| Belgium | Belgium | Belgium | 1961-11-17 | -- | 1961–2021 | 5 | |
| Bühnensaal im Kurhaus | Bühnensaal im Kurhaus | Germany, Badenweiler | 1980-03-18 | -- | 1980 | 1 | |
| Bramstrup Performing Arts | Bramstrup Performing Arts | Denmark, Årslev, Bramstrup 1 | 2006-08-18 | 2006-08-19 | 2006 | 1 | |
| Ballroom Theatre | Ballroom Theatre | United States, New York, 111 E 15th St | 1998-11-04 | 2002-04-28 | 1998–2002 | 7 | |
| Bjorgvin Hall | Bjorgvin Hall | United States, Chicago | 1906-11-22 | 1910-01-23 | 1906–1910 | 2 | |
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