| Buenos Aires | Buenos Aires | Argentina, Buenos Aires | 1907-08-21 | -- | 1907–1970 | 5 | |
| Buer skole | Buer skole | Norway, Skien, Skien | 2006-10-02 | -- | 2006 | 1 | |
| Buftea | Buftea | Romania, Buftea | -- | -- | | | |
| Bug Theatre | The Bug Theatre | United States of America, Denver, 3654 Navajo St, Denver, CO 80211, USA | 2023-11-03 | 2023-11-04 | 2023 | 1 | |
| Búger | Búger | Spain, Búger | 2006-04-30 | -- | 2006 | 1 | |
| Bugården ungdomsskole | Bugården ungdomsskole | Norway, Sandefjord, Sandefjord | 2006-04-05 | -- | 2006–2007 | 2 | |
| BUL-salen | BUL-salen | Norway, Oslo, Rosenkrantz' gate 8 | 2008-08-29 | 2009-05-01 | 2008–2009 | 2 | |
| Bulex (Kunsten Festival des Arts) | Bulex (Kunsten Festival des Arts) | Belgium, Brussels, Avenue Van Volxem 264c Van Volxemlaan | 2001-05-09 | 2001-05-13 | 2001 | 1 | |
| Bulgaria | Bulgaria | Bulgaria | 2001-10-25 | -- | 2001 | 1 | |
| Bulgarian Army Theatre | Bulgarian Army Theatre | Bulgaria, Sofia, ulitsa Georgi S. Rakovski 98 | 2006-11-01 | 2008-04-03 | 2006 | 1 | |
| Bunda College of Agriculture | Bunda College of Agriculture | Malawi, Lilongwe, P.O. Box 219 | 2006-04-29 | -- | 2006 | 1 | |
| Bungakuza Studio | Bungakuza Studio | Japan, Tokyo | 1967-10-14 | 1967-12-04 | 1967 | 2 | |
| Bungalow | Bungalow | United States of America, Portland | 1910-07-21 | 1910-07-21 | 1910 | 1 | |
| 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 | |
| Bungeiza Le Pilier | Bungeiza Le Pilier | Japan, Tokyo | 1986-06-27 | 1986-06-29 | 1986 | 1 | |
| Bunport Theatre, The | The Bunport Theatre | United States of America, Denver, 717 Lipan St, Denver, CO 80204, USA | 2023-12-08 | 2023-12-09 | 2023 | 1 | |
| Burapha University | Burapha University | Thailand, Chonburi, Chon Buri District | 2005-08- | -- | 2005 | 1 | |
| Burbank Theatre | Burbank Theatre | United States of America, Los Angeles, 548 S. Main St. | 1904-08-18 | 1906-12-06 | 1904–1906 | 5 | |
| Burg Namedy | Burg Namedy | Germany, Andernach, Schlossstraße | 2006-07-16 | -- | 2006 | 1 | |
| Burg Roßlau | Burg Roßlau | Germany, Dessau-Roßlau, Am Schloßgarten 18b | -- | -- | | | |
| Burgas | Burgas | Bulgaria, Burgas | -- | -- | | | |
| Burgdorf | Burgdorf | Switzerland, Burgdorf | 2003-02-06 | -- | 2003 | 1 | |
| Burgh House | Burgh House | England, London, New End Square Hampstead | 2013-09-15 | 2014-04-08 | 2013–2014 | 2 | |
| Burgtheater | Burgtheater | Germany, Soest | 1980-01-22 | -- | 1980 | 1 | |
| Burgtheater | Burgtheater | Austria, Vienna, Universitätsring 2 | 1919-03-13 | 2019-06-30 | 1919–2017 | 35 | |
| Burgtheater (Akademietheater) | Burgtheater (Akademietheater) | Austria, Vienna, Lisztstraße 1 | 1925-01-13 | 2006-06-23 | 1925–2017 | 24 | |
| Burkina Faso | Burkina Faso | Burkina Faso, Burkina Faso | 1992-- | 1993-- | 1992 | 1 | |
| Burma (Republic of the Union of Myanmar) | Burma (Republic of the Union of Myanmar) | Myanmar | -- | -- | | | |
| Burnley Mechanics | Burnley Mechanics | England, Burnley, Manchester Rd | 1993-09-22 | 2014-10-23 | 1993–2014 | 2 | |
| Bursa | Bursa | Turkey, Bursa | 1998-- | 1999-- | 1998 | 1 | |
| Burton Taylor Studio Theatre, The | The Burton Taylor Studio Theatre | England, Oxford, Gloucester St | 2015-03-20 | 2016-06-18 | 2015–2016 | 2 | |
| Burträsk | Burträsk | Sweden, Burträsk | 1989-09-20 | 1993-11-30 | 1989–1993 | 2 | |
| Burwood Theatre | Burwood Theatre | United States of America, Omaha | 1908-06-04 | 1908-06-06 | 1908 | 1 | |
| Bush Temple Theatre | Bush Temple Theatre | United States of America, Chicago, 100 West Chicago Avenue | 1909-03-29 | -- | 1909 | 1 | |
| Buxtehude | Buxtehude | Germany, Buxtehude | 2010-11-03 | -- | 2010 | 1 | |
| Buxton Opera House | Buxton Opera House | England, Buxton, Derbyshire, Water St | 1993-08-10 | 1999-11-06 | 1993–2014 | 9 | |
| Buzău | Buzău | Romania, Buzău | 1908-02- | -- | 1908 | 1 | |
| Bydelssalen Stovner | Bydelssalen Stovner | Norway, Oslo, Karl Fossum vei 30 | 2006-09-03 | -- | 2006 | 1 | |
| Bygdahall | Bygdahall | Norway, Hol | 1960-10-25 | -- | 1960–1961 | 2 | |
| Bygdegården | Bygdegården | Sweden, Förslöv | 1995-02-24 | -- | 1995 | 1 | |
| Bygdelagssamskipnaden Konferansesenter | Bygdelagssamskipnaden Konferansesenter | Norway, Oslo, Nordahl Bruns gate 22 | 2006-09-16 | -- | 2006 | 1 | |
| Bühne Bad Harzburg | Bühne Bad Harzburg, Kurhaus | Germany, Bad Harzburg, Herzog-Wilhelm-Straße 65 | 2003-03-14 | -- | 2003 | 1 | |
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