| Bryanston Arts Centre | Bryanston Arts Centre | England, Dorset, Blandford Forum | 1999-04-30 | -- | 1999 | 1 | |
| Brunflo | Brunflo | Sweden, Brunflo | 1989-09-28 | 1989-09-28 | 1989 | 1 | |
| Brandts Klædefabrik | Brandts Klædefabrik | Denmark, Odense, Brandts Passage 8,2, | 2013-08-29 | -- | 2013 | 1 | |
| Bürgerhaus Hürth | Bürgerhaus Hürth | Germany, Hürth, Friedrich-Ebert-Straße 40 | 2018-03-01 | -- | 2018 | 1 | |
| Bø ungdomsskule | Bø ungdomsskule | Norway, Bø i Telemark | 2004-09-16 | 2004-09-21 | 2004–2006 | 2 | |
| Bürgerhaus Biedenkopf | Bürgerhaus Biedenkopf | Germany, Biedenkopf, Untere Haide 22 | 2005-11-13 | -- | 2005 | 1 | |
| Bradford Grammar School | Bradford Grammar School | England, Bradford, Keighley Rd | 2006-11-03 | 2006-11-03 | 2006 | 1 | |
| Bartók Kamaraszínház és Művészetek Háza | Bartók Kamaraszínház és Művészetek Háza | Hungary, Dunaújváros, Bartók Béla tér 1 | 1993-10-09 | -- | 1993 | 1 | |
| Basement | Basement | Denmark, Copenhagen, Enghavevej 42 | 2017-06-01 | 2017-06-06 | 2017 | 1 | |
| Bærum kulturhus | Bærum kulturhus | Norway, Sandvika, Claude Monets alle 27 | 2008-04-18 | 2024-06-13 | 2008–2024 | 2 | |
| Benczúr Ház | Benczúr Ház | Hungary, Budapest, Benczúr u. 27. | 1999-11-08 | -- | 1999 | 1 | |
| Boathouse Theatre, The | The Boathouse Theatre | New Zealand, Blenheim, 12 Horton St, Mayfield | 2018-04-04 | 2018-04-13 | 2018 | 1 | |
| Bornholms teaterforening | Bornholms teaterforening | Denmark, Rønne, Slippen 1 | 1925-04-06 | -- | 1925–2018 | 2 | |
| Buzău | Buzău | Romania, Buzău | 1908-02- | -- | 1908 | 1 | |
| Bodø | Bodø | Norway, Bodø | 1966-05-10 | 1971-05-05 | 1966–2015 | 8 | |
| Burgh House | Burgh House | England, London, New End Square Hampstead | 2013-09-15 | 2014-04-08 | 2013–2014 | 2 | |
| Beaudoin Theatre | Beaudoin Theatre | United States of America, Loudon, Beaudoin Theatre, 515 Loudon Rd, Loudonville, NY 12211, USA | 2023-11-09 | 2023-11-12 | 2023 | 1 | |
| Bacova | Bacova | Romania, Bacova | -- | -- | | | |
| Biella | Biella | Italy, Biella | 1905-02-09 | -- | 1905 | 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 | |
| Borlänge | Borlänge | Sweden, Borlänge | 1936-10-01 | -- | 1936 | 1 | |
| Brumunddal | Brumunddal | Norway, Brumunddal | 1971-08-28 | 1971-08-29 | 1971–1991 | 2 | |
| Bruhagen ungdomsskole | Bruhagen ungdomsskole | Norway, Bruhagen | 1990-04-01 | -- | 1990 | 1 | |
| Bjørnholt ungdomsskole | Bjørnholt ungdomsskole | Norway, Oslo, Slimeveien 15-17 | 2006-12-01 | -- | 2006 | 1 | |
| Belfast | Belfast | Ireland, Belfast | -- | -- | | | |
| Bungeiza Le Pilier | Bungeiza Le Pilier | Japan, Tokyo | 1986-06-27 | 1986-06-29 | 1986 | 1 | |
| Borge Ungdomsskole | Borge Ungdomsskole | Norway, Sellebakk, Fredrikstad | 2006-11-02 | 2006-11-03 | 2006 | 1 | |
| Blanchard Hall | Blanchard Hall | United States of America, Los Angeles | 1909-03-17 | 1909-03-17 | 1909 | 1 | |
| Black River Playhouse | Black River Playhouse | United States of America, Chester, 54 Grove St | 2002-04-19 | 2002-05-04 | 2002 | 1 | |
| Berettyóújfalu | Berettyóújfalu | Hungary, Berettyóújfalu | 1890-02-28 | -- | 1890–1927 | 2 | |
| Baltimore Convention Centre | Baltimore Convention Centre | United States of America, Baltimore, 1 West Pratt Street | 2019-07-07 | 2019-07- | 2019 | 1 | |
| Baden, Kurtheater | Kurtheater Baden | Switzerland, Baden, Parkstrasse 20, 5400 Baden, Switzerland | 1970-02-14 | 1991-02-20 | 1970–2008 | 22 | |
| Blaisdell Hall at University of Pittsburgh at Bradford | Blaisdell Hall at University of Pittsburgh at Bradford | United States of America, Bradford, 300 Campus Dr | 2012-11-15 | 2012-11-18 | 2012 | 1 | |
| Børve | Børve | Norway, Børve | 1951-04-26 | -- | 1951 | 1 | |
| Bačka Topola | Bačka Topola | Serbia | 1945-11-18 | -- | 1945 | 1 | |
| Bijsk dramatičeski teatr | Bijsk dramatičeski teatr | Russia, Bijsk | 1956-01- | -- | 1956 | 1 | |
| Byteatern (Hamnscenen) | Byteatern (Hamnscenen) | Sweden, Kalmar, Barlastgatan 8 | 1990-03-23 | -- | 1990 | 1 | |
| Bistriţa | Bistriţa | Romania, Bistriţa | 1924-06-09 | -- | 1924 | 1 | |
| Bürgerhaus Ibbenbüren | Bürgerhaus Ibbenbüren | Germany, Ibbenbüren, Wilhelmstraße 14 | 2010-03-03 | -- | 2010 | 1 | |
| Bradley Hall Theatre | Bradley Hall Theatre | United States of America, Newark, Rutgers University, Newark Campus | 2002-04-18 | 2002-04-28 | 2002 | 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 | |
| Bryants' Playhouse | Bryants' Playhouse | Australia, Sydney, 5 Phillip Sreet | 1946-02-28 | -- | 1946 | 1 | |
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