| Black Box Teater (Lille Sal) | Black Box Teater (Lille Sal) | Norway, Oslo, Marstrandgata 8 | 2006-11-23 | 2010-07-02 | 2006–2010 | 3 | |
| Baggio Teatro Caboto | Baggio Teatro Caboto | Italy, Milano, Via Mar Nero, 10, 20152 | 2011-02-16 | 2013-02-10 | 2011–2013 | 2 | |
| Brighton | Brighton | England, Brighton | 1999-12-06 | 1999-12-12 | 1999 | 1 | |
| Bulgaria | Bulgaria | Bulgaria | 2001-10-25 | -- | 2001 | 1 | |
| BBC 2 | BBC 2 | England, London | 1982-07-19 | -- | 1982–1992 | 4 | |
| Biorama | Biorama | Norway, Holmestrand, Holmestrand | 1984-11-18 | -- | 1984–2023 | 4 | |
| Bungei kyōkai engeki kenkyūjo watashi | Bungei kyōkai engeki kenkyūjo watashi (Literary Association Theater Institute Private Theater) | Japan, Tokyo | 1911-09-22 | 1911-09-24 | 1911 | 1 | |
| Berlin | Berlin | Germany, Berlin | 1950-12-08 | 1950-12-10 | 1950–2015 | 4 | |
| BACCA Arts Center | BACCA Arts Center | United States of America, Lindenhurst | 2025-02-08 | 2025-02-23 | 2025 | 1 | |
| Bremer Theater | Bremer Theater | Germany, Bremen, Goetheplatz 1 | 1919-01-10 | 2003-05-14 | 1919–2002 | 6 | |
| Broadway Theatre | Broadway Theatre | England, London, New Cross, Lewisham | 1900-05-26 | -- | 1900 | 1 | |
| Burg Namedy | Burg Namedy | Germany, Andernach, Schlossstraße | 2006-07-16 | -- | 2006 | 1 | |
| Burgas | Burgas | Bulgaria, Burgas | -- | -- | | | |
| Breivika videregående skole | Breivika videregående skole | Norway, Tromsø | 1997-11-13 | 1997-11-14 | 1997 | 1 | |
| Bühnen der Stadt | Bühnen der Stadt Köln | Germany, Köln (Cologne), Hohenstaufenring 20 | 1952-11-30 | -- | 1952–1976 | 7 | |
| Beloit | Beloit | United States of America, Beloit | 1904-01-01 | 1904-01-01 | 1904 | 1 | |
| Bad Bevensen | Bad Bevensen | Germany, Bad Bevensen | 2010-02-28 | -- | 2010 | 3 | |
| Budai Színkör | Budai Színkör | Hungary, Budapest, Alagút utca | 1917-10-13 | 1923-09-21 | 1917–1924 | 5 | |
| Bømlo Kulturhus | Bømlo Kulturhus | Norway, Bremnes, Kulturhusvegen 20 | 1970-01-21 | 2020-09-11 | 1970–2020 | 5 | |
| Beskydské divadlo Nový Jičín | Beskydské divadlo Nový Jičín | Czech Republic, Nový Jičín, Divadelní 873/5 | 1961-03-18 | -- | 1961–1963 | 2 | |
| Baran Theater | Baran Theater | Iran, Tehran, No 292/1, Enghelab St, Felestin St | 2017-09-03 | 2017-09-28 | 2017 | 1 | |
| Bacău | Bacău | Romania, Bacău | -- | -- | | | |
| Bayreuth | Bayreuth | Germany, Bayreuth | 2003-03-25 | -- | 2003–2015 | 2 | |
| Brekke | Brekke skule | Norway, Brekke, Yndesdalsvegen 2719 | -- | -- | | | |
| Barbacane, La | La Barbacane | France, Beynes, Place du 8 mai 1945 | 2011-12-09 | -- | 2011 | 1 | |
| Brescia | Brescia | Italy, Brescia | 1893-03-24 | -- | 1893–1898 | 2 | |
| Beethovensaal | Beethovensaal | Germany, Berlin, Köthener Straße 32 | 1912-02-18 | -- | 1912 | 1 | |
| Beauvais | Beauvais | France, Beauvais | -- | -- | | | |
| Bremen | Bremen | Germany, Bremen | 1900-10- | 1952-02-16 | 1900–1952 | 2 | |
| Blindern academic theatre | Blindern academic theatre | Norway, oslo, Blindern etc | -- | -- | | | |
| Bjørkvang | Bjørkvang | Norway, Valsøyfjord | 1956-06-11 | -- | 1956–1971 | 2 | |
| Brunton Theatre | Brunton Theatre | Scotland, Musselburgh, Ladywell Way | 2004-05-27 | 2011-06-25 | 2004–2014 | 4 | |
| Barons Court Theatre | Barons Court Theatre | England, London, 28a Comeragh Rd | 2006-09-26 | 2018-06-30 | 2006–2018 | 6 | |
| Ballhof | Ballhof | Germany, Hannover, Ballhofplatz 5/Knochenhauerstraße 28 | 1949-03-08 | 2010-02-23 | 1949–2010 | 10 | |
| Belmont Theatre | Belmont Theatre | England, Watford, Local Board Road | 2025-10-22 | 2025-10-25 | 2025 | 1 | |
| Bärensaal | Bärensaal | Germany, Schramberg-Talstadt, Marktstraße 7 | 2004-03-06 | -- | 2004 | 1 | |
| Brekke | Brekke | Norway, Brekke | 1975-03-03 | -- | 1975 | 1 | |
| Belgica Theater | Belgica Theater (Cultuurcentrum Belgica) | Belgium, Dendermonde, Kerkstraat 24 | 2007-12-05 | -- | 2007 | 1 | |
| Basiliano, | Basiliano, | Italy, Basiliano, | -- | -- | | | |
| Bymuséet i Porsgrunn | Bymuséet i Porsgrunn | Norway, Porsgrunn, Stor gate 59 | 2003-06-16 | 2003-06-21 | 2003 | 1 | |
| Berliner Theatertreffen | Berliner Theatertreffen | Germany, Berlin, Schaperstr. 24 | 1984-05-16 | 2003-05-14 | 1984–2003 | 4 | |
| Barre Opera House | Barre Opera House | United States of America, Barre | 1905-02-11 | 1905-02-11 | 1905 | 1 | |
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