| Bratronice | Bratronice | Czech Republic, Bratronice | -- | -- | | | |
| Berliner Theatertreffen | Berliner Theatertreffen | Germany, Berlin, Schaperstr. 24 | 1984-05-16 | 2003-05-14 | 1984–2003 | 4 | |
| Black Box Teater (Store scene) på Aker brygge | Black Box Teater (Store scene) på Aker brygge | Norway, Oslo, Aker brygge | 1996-12-06 | 1997-04-20 | 1996–1997 | 2 | |
| Backdoor Theatre | Backdoor Theatre | United States of America, Wichita Falls, 501 Indiana Ave | 2010-08-13 | 2010-09-18 | 2010 | 1 | |
| Bucharest | Bucharest | Romania, Bucharest | 1894-04- | 2015-10-09 | 1894–2015 | 10 | |
| Bagnone | Bagnone | Italy, Bagnone | 2016-03-22 | -- | 2016 | 1 | |
| Blaker, Samfunnshuset | Samfunnshuset Blaker | Norway, Blaker | 1956-05-25 | -- | 1956–1963 | 5 | |
| Botoşani | Botoşani | Romania, Botoşani | 1900-- | -- | 1900–1908 | 5 | |
| Brunnentheater Bad Helmstedt | Brunnentheater Bad Helmstedt | Germany, Helmstedt, Brunnenweg 7 | 1980-02-05 | 1999-01-12 | 1980–1999 | 2 | |
| Brändö | Brändö | Finland, Åland Islands | 1999-10-28 | -- | 1999 | 1 | |
| Bornholms teaterforening | Bornholms teaterforening | Denmark, Rønne, Slippen 1 | 1925-04-06 | -- | 1925–2018 | 2 | |
| Bagley Wright Theater | Bagley Wright Theater | United States of America, Seattle, 155 Mercer St | 2022-04-01 | 2022-05-01 | 2022 | 1 | |
| Borolea | Borolea | Romania, Borolea | -- | -- | | | |
| Battersea Arts Centre | Battersea Arts Centre | England, London, Lavender Hill | 2001-07-24 | 2007-06-20 | 2001–2007 | 2 | |
| Bush Theatre (Central Michigan University) | Bush Theatre (Central Michigan University) | United States of America, Mount Pleasant, MI | 2025-03-25 | 2025-04-06 | 2025 | 1 | |
| Bijou Theatre | Bijou Theatre | United States of America, Boston, 545 Washington Street | 1907-02-04 | -- | 1907 | 1 | |
| Bromley Little Theatre | Bromley Little Theatre | England, Bromley, North Street | 1961-02-14 | 2017-11-18 | 1961–2017 | 3 | |
| Barnet Copthall Centre, The | The Barnet Copthall Centre | England, Barnet, London Borough | 1999-06-29 | -- | 1999 | 1 | |
| Bürgerhaus Schwalbach (Großer Saal) | Bürgerhaus Schwalbach (Großer Saal) | Germany, Schwalbach, Marktplatz 1-2 | 2015-09-26 | -- | 2015 | 1 | |
| Bainbridge Library | Bainbridge Library | United States of America, Bainbridge Island, 1270 Madison Ave N | 2006-11-03 | -- | 2006 | 1 | |
| Berge ungdomsskole | Berge ungdomsskole | Norway, Lyngdal, Lyngdal | 2006-11-09 | -- | 2006 | 1 | |
| Brandenburger Theater | Brandenburger Theater | Germany, Brandenburg a. d. Havel, Grabenstraße 14 | 1996-02-10 | 2023-12-03 | 1996–2023 | 4 | |
| Baltoppen | Baltoppen | Denmark, Ballerup, Baltorpvej 20 | 2002-02-28 | -- | 2002–2018 | 3 | |
| Blake Theatre | Blake Theatre | United States of America, Webb City | 1909-01-13 | 1909-01-13 | 1909 | 1 | |
| Brooks Atkinson Theatre | Brooks Atkinson Theatre | United States of America, New York, West 47th Street | 1982-08-23 | 1982-10-02 | 1982 | 1 | |
| Black Box Theatre | Black Box Theatre | United States of America, Marshall, 1 Tiger Dr | 2018-04-26 | 2018-04-29 | 2018 | 1 | |
| Brockley Jack Theatre (Jack Studio Theatre) | Brockley Jack Theatre (Jack Studio Theatre) | England, London, 410 Brockley Road | 2005-11-01 | 2023-10-14 | 2005–2023 | 3 | |
| Borge Ungdomsskole | Borge Ungdomsskole | Norway, Sellebakk, Fredrikstad | 2006-11-02 | 2006-11-03 | 2006 | 1 | |
| Bass Performance Hall | Bass Performance Hall | United States of America, Fort Worth, Commerce Street | 2012-10-19 | 2012-10-28 | 2012 | 1 | |
| Bedford Theatre | Bedford Theatre | England, Bedford, Bedford School, De Pary's Avenue | 2014-09-30 | 2014-09-20 | 2014 | 1 | |
| Bridewell Theatre | Bridewell Theatre | England, London, 14 Bride Lane | 2009-07-14 | 2025-07-12 | 2009–2025 | 3 | |
| Baden, Kurtheater | Kurtheater Baden | Switzerland, Baden, Parkstrasse 20, 5400 Baden, Switzerland | 1970-02-14 | 1991-02-20 | 1970–2008 | 22 | |
| 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 | |
| Berchem | Berchem | Belgium, Antwerpen | 2000-04-04 | -- | 2000 | 1 | |
| Bangkok International Fashion Academy | Bangkok International Fashion Academy | Thailand, Bangkok, 20th Floor Siamtower Rama 1 Road Pathumwan | 2005-05-27 | 2005-06-19 | 2005 | 2 | |
| Burkina Faso | Burkina Faso | Burkina Faso, Burkina Faso | 1992-- | 1993-- | 1992 | 1 | |
| Brookville | Brookville | United States of America, Brookville | -- | -- | | | |
| Birmingham Repertory Theatre | Birmingham Repertory Theatre | England, Birmingham, Broad Street | 1913-05-10 | 2008-03-29 | 1913–2008 | 29 | |
| BC Tel Studio Theatre | BC Tel Studio Theatre | Canada, Vancouver, University of British Columbia | 1999-11-17 | 1999-11-27 | 1999 | 1 | |
| Blue Heron Arts Center, the | The Blue Heron Arts Center | United States of America, New York, 123 East 24th Street | 2001-12-02 | 2001-12-02 | 2001 | 1 | |
| Birkeland | Birkeland | Norway, Birkeland | 1994-10-04 | -- | 1994 | 1 | |
| Brno | Brno | Czech Republic, Brno | 2012-09-29 | -- | 2012 | 1 | |
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