| Braunschweigisches Landestheater | Braunschweigisches Landestheater | Germany, Braunschweig | 1922-01-13 | 1926-01-09 | 1922–1938 | 6 | |
| Black Box, Santa Clarita Performing Arts Center | Black Box, Santa Clarita Performing Arts Center | United States of America, Santa Clarita, 26455 Rockwell Canyon Rd | 2009-04-02 | 2009-04-05 | 2009 | 1 | |
| Bayerisches Staatsschauspiel | Bayerisches Staatsschauspiel | Germany, Munich, Max-Joseph-Platz 1 | 1924-09-12 | 1950-01-05 | 1924–1969 | 5 | |
| Bragdøya | Bragdøya | Norway, Bragdøya | 1999-08-06 | -- | 1999 | 1 | |
| Back Alley Productions at the Mars Theatre | Back Alley Productions at the Mars Theatre | United States of America, LaFayette, 117 N Chattanooga St, LaFayette | 2023-09-15 | 2023-09-24 | 2023 | 1 | |
| Birr | Birr | Switzerland, Birr | 1991-09-04 | -- | 1991 | 1 | |
| Barre Opera House | Barre Opera House | United States of America, Barre | 1905-02-11 | 1905-02-11 | 1905 | 1 | |
| Bergen | Bergen | Norway, Bergen | 1895-11- | 1996-02-17 | 1895–1996 | 7 | |
| Buer skole | Buer skole | Norway, Skien, Skien | 2006-10-02 | -- | 2006 | 1 | |
| Bałtycki Teatr Dramatyczny im. J Słowackiego | Bałtycki Teatr Dramatyczny im. J Słowackiego | Poland, Koszalin, Heleny Modrzejewskiej 12 | 1965-04-30 | -- | 1965–1973 | 3 | |
| Brighton | Brighton | England, Brighton | 1999-12-06 | 1999-12-12 | 1999 | 1 | |
| Bremnes | Bremnes | Norway | 1971-03-06 | -- | 1971 | 1 | |
| Babeş-Bolyai Tudományegyetem Színház és Televízió Kar | Babeş-Bolyai Tudományegyetem Színház és Televízió Kar | Romania, Cluj-Napoca, M. Kogălniceanu 4. | 2006-05-05 | -- | 2006 | 1 | |
| Bermuda Festival of the Performing Arts | Bermuda Festival of the Performing Arts | Bermuda, Hamilton, PO Box HM 297 | 2010-02-20 | -- | 2010 | 1 | |
| Bulgaria | Bulgaria | Bulgaria | 2001-10-25 | -- | 2001 | 1 | |
| Burg Namedy | Burg Namedy | Germany, Andernach, Schlossstraße | 2006-07-16 | -- | 2006 | 1 | |
| Burbank Theatre | Burbank Theatre | United States of America, Los Angeles, 548 S. Main St. | 1904-08-18 | 1906-12-06 | 1904–1906 | 5 | |
| Baran Theater | Baran Theater | Iran, Tehran, No 292/1, Enghelab St, Felestin St | 2017-09-03 | 2017-09-28 | 2017 | 1 | |
| Bloomsbury Theatre | Bloomsbury Theatre | England, London, 15 Gordon St London WC1H 0AH | 1986-06-23 | 1986-06-28 | 1986 | 1 | |
| Basement | Basement | Denmark, Copenhagen, Enghavevej 42 | 2017-06-01 | 2017-06-06 | 2017 | 1 | |
| Bird Theatre | Bird Theatre | Japan, Tottori, 1812-1 Shikano Shikano-cho | -- | -- | | | |
| Bryggene | Bryggene | Norway, Skien | 2003-08-20 | 2003-08-22 | 2003 | 1 | |
| Broadhurst Theatre | Broadhurst Theatre | United States of America, New York, 235 West 44th Street | 1922-01-31 | 1951-01-27 | 1922–1950 | 3 | |
| Beethovensaal | Beethovensaal | Germany, Berlin, Köthener Straße 32 | 1912-02-18 | -- | 1912 | 1 | |
| Bjørnstjerne Bjørnsons hjem Aulestad | Bjørnstjerne Bjørnsons hjem Aulestad | Norway, Follebu, Aulestadvegen 6-14, 2656 Follebu, Norway | 2024-08-30 | 2024-09-01 | 2024 | 1 | |
| Backa Teater | Backa Teater | Sweden, Göteborg, Lärdomsgatan 1 C | 1993-03-20 | -- | 1993 | 1 | |
| Boathouse Theatre, The | The Boathouse Theatre | New Zealand, Blenheim, 12 Horton St, Mayfield | 2018-04-04 | 2018-04-13 | 2018 | 1 | |
| Bologna | Bologna | Italy, Bologna | 1892-08-04 | -- | 1892–1928 | 6 | |
| Brønnøysund Samfunnshus | Brønnøysund Samfunnshus | Norway, Brønnøysund, Brønnøysund | 1976-11-05 | 1976-11-05 | 1976–2018 | 6 | |
| Bærum kulturhus | Bærum kulturhus | Norway, Sandvika, Claude Monets alle 27 | 2008-04-18 | 2024-06-13 | 2008–2024 | 2 | |
| Burgtheater (Akademietheater) | Burgtheater (Akademietheater) | Austria, Vienna, Lisztstraße 1 | 1925-01-13 | 2006-06-23 | 1925–2017 | 24 | |
| Broadway Theatre | Broadway Theatre | England, London, New Cross, Lewisham | 1900-05-26 | -- | 1900 | 1 | |
| Bourg-en-Bresse, Théâtre de | Théâtre de Bourg-en-Bresse | France, Bourg-en-Bresse, 11 Place de la Grenette | 2001-04-19 | 2001-04-22 | 2001 | 1 | |
| BBC Radio 3 | BBC Radio 3 | England, London, BBC Broadcasting House, London W1A 1AA | 1978-04-02 | 2023-07-09 | 1978–2023 | 4 | |
| Backnanger Bürgerhaus | Backnanger Bürgerhaus | Germany, Backnang, Bahnhofstr. 7 | 1997-10-24 | 1997-10-24 | 1997 | 1 | |
| Buzău | Buzău | Romania, Buzău | 1908-02- | -- | 1908 | 1 | |
| Ballenstedt am Harz | Ballenstedt am Harz | Germany, Ballenstedt am Harz | -- | -- | | | |
| Blanchard Hall | Blanchard Hall | United States of America, Los Angeles | 1909-03-17 | 1909-03-17 | 1909 | 1 | |
| Bridge Lane Theatre | Bridge Lane Theatre | England, Battersea, Bridge Lane | 1992-- | -- | 1992 | 1 | |
| Brekke | Brekke | Norway, Brekke | 1975-03-03 | -- | 1975 | 1 | |
| Bonlieu Scène Nationale Annecy | Bonlieu Scène Nationale Annecy | France, Annecy, 1 Rue Jean Jaurès | 2005-02-09 | 2014-12-10 | 2005–2014 | 4 | |
| Båtsfjord skole | Båtsfjord skole | Norway, Båtsfjord | 1968-10-06 | -- | 1968 | 1 | |
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