| Boston University Theatre | Boston University Theatre | United States, Boston, 264 Huntington Avenue, | 1993-10-15 | 2017-02-05 | 1993–2017 | 5 | |
| Baja | Baja | Hungary, Baja | 1890-11-19 | -- | 1890–1933 | 14 | |
| Byteatern (Hamnscenen) | Byteatern (Hamnscenen) | Sweden, Kalmar, Barlastgatan 8 | 1990-03-23 | -- | 1990 | 1 | |
| Bühnen in Essen, Die | Die Bühnen in Essen | Germany, Essen | 1957-02-21 | -- | 1957–1977 | 3 | |
| Badische Landesbühne | Badische Landesbühne | Germany, Bruchsal, Am Alten Schloß 24 | 1963-09-30 | 2000-04-03 | 1963–2000 | 4 | |
| Bürgerhaus der Stadt Pullach | Bürgerhaus der Stadt Pullach | Germany, Pullach im Isartal, Heilmannstraße 2 | 1999-01-21 | 1999-01-21 | 1999–2003 | 2 | |
| Bijou Theatre | Bijou Theatre | United States, Boston, 545 Washington Street | 1907-02-04 | -- | 1907 | 1 | |
| Biserica Lutherana | Biserica Lutherana | Romania, Bucharest | 2005-02-23 | 2005-03-02 | 2005 | 1 | |
| Bernburg | Bernburg | Germany, Bernburg | 2010-02-26 | -- | 2010 | 1 | |
| Biblioteca Sarmiento Bariloche | Biblioteca Sarmiento Bariloche | Argentina, San Carlos de Bariloche, Centro Civico, R8400 San Carlos de Bariloche, Río Negro | 2022-06-18 | -- | 2022 | 1 | |
| Berge ungdomsskole | Berge ungdomsskole | Norway, Lyngdal, Lyngdal | 2006-11-09 | -- | 2006 | 1 | |
| Bremer Schauspielhaus | Bremer Schauspielhaus | Germany, Bremen, Goetheplatz 1-3 | 1917-08-25 | 1935-01-18 | 1917–1938 | 26 | |
| Beclean | Beclean | Romania, Beclean | -- | -- | | | |
| Burkina Faso | Burkina Faso | Burkina Faso, Burkina Faso | 1992-- | 1993-- | 1992 | 1 | |
| Bishop's College Auditorium | Bishop's College Auditorium | Sri Lanka, Colombo, Boyd Pl | 2005-05-20 | -- | 2005 | 1 | |
| Bârlad | Bârlad | Romania, Bârlad | 1926-09-22 | -- | 1926 | 1 | |
| Balş | Balş | Romania, Balş | -- | -- | | | |
| Bern | Bern | Switzerland, Bern | -- | -- | | | |
| Bærum Kulturhus (Store sal) | Bærum Kulturhus (Store sal) | Norway, Sandvika, Claude Monets alle 27 | 2004-08-31 | 2004-09-01 | 2004–2010 | 2 | |
| Bagnone | Bagnone | Italy, Bagnone | 2016-03-22 | -- | 2016 | 1 | |
| Bulgarian Army Theatre | Bulgarian Army Theatre | Bulgaria, Sofia, ulitsa Georgi S. Rakovski 98 | 2006-11-01 | 2008-04-03 | 2006 | 1 | |
| Borggården, Akershus Festning | Borggården, Akershus Festning | Norway, Oslo | 1978-07-04 | 1983-06-30 | 1978–1983 | 4 | |
| Basel | Basel | Switzerland, Basel | -- | -- | | | |
| Bühnen der Stadt Gera | Bühnen der Stadt Gera | Germany, Gera, Theaterplatz 1 | 1953-10-18 | 2009-05-25 | 1953–2009 | 4 | |
| Bø i Telemark | Bø i Telemark | Norway, Bø i Telemark | 1966-09-09 | -- | 1966–2005 | 9 | |
| Bonington Theatre | Bonington Theatre | England, Nottingham, High Street | 2014-10-29 | 2014-10-29 | 2014 | 1 | |
| Ballhof Zwei | Ballhof Zwei | Germany, Hannover, Knochenhauerstraße 28 | 2008-02-15 | 2009-02-28 | 2008 | 1 | |
| Berliner Theater | Berliner Theater | Germany, Berlin, Charlottenstraße 90/92 | 1892-04-28 | 1894-07-18 | 1892–1907 | 4 | |
| Blackstone Theatre | Blackstone Theatre | United States, Chicago, 60 E Balbo Ave | 1965-03-03 | 1965-04-09 | 1965 | 1 | |
| Brescia | Brescia | Italy, Brescia | 1893-03-24 | -- | 1893–1898 | 2 | |
| Broadway Theatre | Broadway Theatre | United States, Anaconda | 1903-04-02 | 1909-01-19 | 1903–1909 | 3 | |
| Barefoot Productions | Barefoot Productions | United States | 2018-10-05 | 2018-10-14 | 2018 | 1 | |
| Birkeland | Birkeland | Norway, Birkeland | 1994-10-04 | -- | 1994 | 1 | |
| Black Box Theatre, Nanjing Art Institute | Black Box Theatre, Nanjing Art Institute | China, Nanjing | 2005-09-28 | -- | 2005 | 1 | |
| Bass Performance Hall | Bass Performance Hall | United States, Fort Worth, Commerce Street | 2012-10-19 | 2012-10-28 | 2012 | 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 | |
| Biblioteket | Biblioteket | Norway, Fredrikstad | 1952-02-13 | -- | 1952 | 1 | |
| Burma (Republic of the Union of Myanmar) | Burma (Republic of the Union of Myanmar) | Myanmar | -- | -- | | | |
| Broad Street Theatre | Broad Street Theatre | United States, Philadelphia, Broad Street | 1904-02-12 | 1914-02-13 | 1904–1929 | 3 | |
| Black Box Theatre | Black Box Theatre | United States, Marshall, 1 Tiger Dr | 2018-04-26 | 2018-04-29 | 2018 | 1 | |
| Brewery Arts Centre | Brewery Arts Centre | England, Kendal, Highgate | 1993-07-02 | 2006-05-20 | 1993–2018 | 5 | |
| Black River Playhouse | Black River Playhouse | United States, Chester, 54 Grove St | 2002-04-19 | 2002-05-04 | 2002 | 1 | |
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