| Bad Hersfelder Festspiele | Bad Hersfelder Festspiele | Germany, Bad Hersfeld, Am Markt 1 | 1971-07-15 | -- | 1971 | 1 | |
| Bad Breisig | Bad Breisig | Germany, Bad Breisig | 2006-05-18 | -- | 2006 | 1 | |
| Bad Bevensen | Bad Bevensen | Germany, Bad Bevensen | 2010-02-28 | -- | 2010 | 3 | |
| Bacova | Bacova | Romania, Bacova | -- | -- | | | |
| Backnanger Bürgerhaus | Backnanger Bürgerhaus | Germany, Backnang, Bahnhofstr. 7 | 1997-10-24 | 1997-10-24 | 1997 | 1 | |
| Backdoor Theatre | Backdoor Theatre | United States of America, Wichita Falls, 501 Indiana Ave | 2010-08-13 | 2010-09-18 | 2010 | 1 | |
| Bačka Topola | Bačka Topola | Serbia | 1945-11-18 | -- | 1945 | 1 | |
| Backa Teater | Backa Teater | Sweden, Göteborg, Lärdomsgatan 1 C | 1993-03-20 | -- | 1993 | 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 | |
| BACCA Arts Center | BACCA Arts Center | United States of America, Lindenhurst | 2025-02-08 | 2025-02-23 | 2025 | 1 | |
| Bacău | Bacău | Romania, Bacău | -- | -- | | | |
| BAC Theater - Bad Arolsen Company | BAC Theater - Bad Arolsen Company | Germany, Bad Arolsen | -- | -- | | | |
| 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 | |
| Babcock Theatre | Babcock Theatre | United States of America, Billings, 2nd Avenue North & Broadway | 1991-04-18 | -- | 1991 | 1 | |
| B8 Theatre | B8 Theatre | United States of America, Concord, 2292 Concord Blvd | 2018-06-07 | 2018-06-23 | 2018 | 1 | |
| B’ Programma Radio (Ethnikó Ídryma Radiofonías) | B’ Programma Radio (Ethnikó Ídryma Radiofonías) (Second Program (National Radio Foundation)) | Greece | 1953-07-08 | 1954-07-17 | 1953–1961 | 10 | |
| B.C.Pal Auditorium | B.C.Pal Auditorium | India, New Delhi, A 81, Chittranjan Park | 1999-09-22 | -- | 1999–2003 | 2 | |
| B. Samfunnshus | B. Samfunnshus | Norway, Bardufoss | 1968-09-20 | -- | 1968 | 1 | |
| B. Iden Payne Theatre | B. Iden Payne Theatre | United States of America, Austin, 300 E 23rd St | 1979-10-10 | 1979-10-20 | 1979–1994 | 2 | |
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