| Bad Neustadt | Bad Neustadt | Germany, Bad Neustadt | 2004-03-10 | -- | 2004 | 1 | |
| Bad Neuenahr | Bad Neuenahr | Germany, Bad Neuenahr | 2006-05-18 | -- | 2006 | 1 | |
| Bad Honnef | Bad Honnef | Germany, Bad Honnef | 1980-03-04 | -- | 1980 | 1 | |
| Bad Hersfelder Festspiele | Bad Hersfelder Festspiele | Germany, Bad Hersfeld, Am Markt 1 | 1971-07-15 | -- | 1971 | 1 | |
| Bühne Bad Harzburg | Bühne Bad Harzburg, Kurhaus | Germany, Bad Harzburg, Herzog-Wilhelm-Straße 65 | 2003-03-14 | -- | 2003 | 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 | |
| Backnanger Bürgerhaus | Backnanger Bürgerhaus | Germany, Backnang, Bahnhofstr. 7 | 1997-10-24 | 1997-10-24 | 1997 | 1 | |
| Burg Namedy | Burg Namedy | Germany, Andernach, Schlossstraße | 2006-07-16 | -- | 2006 | 1 | |
| Berliner Ensemble | Berliner Ensemble | Germany, 10117 Berlin, Bertolt-Brecht-Platz 1 | 1995-01-25 | 2025-02-01 | 1995–2024 | 6 | |
| Bouffes Parisiens | Bouffes Parisiens | France, Paris, 4 Rue Monsigny | 1898-06-25 | -- | 1898 | 1 | |
| Bouffes du Nord | Bouffes du Nord | France, Paris, 37 Boulevard de la Chapelle | 1893-10-05 | 2018-02-18 | 1893–2018 | 6 | |
| Boutonnière, La | La Boutonnière | France, Paris, 25 Rue Popincourt | 2018-11-01 | 2018-12-20 | 2018 | 1 | |
| Biothéâtre Opéra | Biothéâtre Opéra | France, Paris | 1977-10-23 | -- | 1977 | 1 | |
| Bateau Feu - Scène Nationale Dunkerque, Le | Le Bateau Feu - Scène Nationale Dunkerque | France, Dunkerque, Place du Général de Gaulle | 2010-12-15 | 2024-03-29 | 2010–2024 | 2 | |
| 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 | |
| Barbacane, La | La Barbacane | France, Beynes, Place du 8 mai 1945 | 2011-12-09 | -- | 2011 | 1 | |
| Beauvais | Beauvais | France, Beauvais | -- | -- | | | |
| Bonlieu Scène Nationale Annecy | Bonlieu Scène Nationale Annecy | France, Annecy, 1 Rue Jean Jaurès | 2005-02-09 | 2014-12-10 | 2005–2014 | 4 | |
| Brändö | Brändö | Finland, Åland Islands | 1999-10-28 | -- | 1999 | 1 | |
| Borgå Societetshus | Borgå Societetshus | Finland, Porvoo | 1895-03-21 | -- | 1895 | 1 | |
| Björneborgs Teater | Björneborgs Teater | Finland, Pori | 1880-04-30 | 1880-05-02 | 1880 | 1 | |
| Barn Theatre | Barn Theatre | England, Welwyn Garden City, Barn Close | 2005-11-11 | 2005-11-19 | 2005 | 1 | |
| Buddle Arts Centre | Buddle Arts Centre | England, Wallsend, 258 Station Rd | 2005-03-09 | -- | 2005 | 1 | |
| Barbican Theatre | Barbican Theatre | England, Plymouth, Castle St | 2016-10-11 | 2016-10-15 | 2016 | 1 | |
| Burton Taylor Studio | Burton Taylor Studio | England, Oxford, Gloucester St | 2015-03-20 | 2016-06-18 | 2015–2016 | 2 | |
| Bonington Theatre | Bonington Theatre | England, Nottingham, High Street | 2014-10-29 | 2014-10-29 | 2014 | 1 | |
| Barbican Arts Centre | Barbican Arts Centre | England, London, Silk Street | 1989-09-21 | 2014-10-11 | 1989–2014 | 9 | |
| Burgh House | Burgh House | England, London, New End Square Hampstead | 2013-09-15 | 2014-04-08 | 2013–2014 | 2 | |
| Broadway Theatre | Broadway Theatre | England, London, New Cross, Lewisham | 1900-05-26 | -- | 1900 | 1 | |
| Battersea Arts Centre | Battersea Arts Centre | England, London, Lavender Hill | 2001-07-24 | 2007-06-20 | 2001–2007 | 2 | |
| BBC Radio 3 | BBC Radio 3 | England, London, BBC Broadcasting House, London W1A 1AA | 1978-04-02 | 2023-07-09 | 1978–2023 | 4 | |
| Bedford, The | The Bedford | England, London, 77 Bedford Hill | 2008-07-27 | 2008-07-27 | 2008 | 1 | |
| Bread & Roses Theatre, The | The Bread & Roses Theatre | England, London, 68 Clapham Manor St, London SW4 6DZ London, SW4 6DZ | 2024-07-02 | 2024-07-13 | 2024 | 1 | |
| Brockley Jack Theatre | Brockley Jack Theatre | England, London, 410 Brockley Road | 2005-11-01 | 2014-05-03 | 2005–2014 | 2 | |
| Bridge Theatre | Bridge Theatre | England, London, 3 Potters Fields Park | 2022-09-24 | 2022-11-26 | 2022 | 1 | |
| Barons Court Theatre | Barons Court Theatre | England, London, 28a Comeragh Rd | 2006-09-26 | 2018-06-30 | 2006–2018 | 6 | |
| Bijou Theatre | Bijou Theatre | England, London, 21 Archer Street, Westbourne Grove | 1907-09-17 | -- | 1907 | 1 | |
| Bloomsbury Theatre | Bloomsbury Theatre | England, London, 15 Gordon St London WC1H 0AH | 1986-06-23 | 1986-06-28 | 1986 | 1 | |
| Bridewell Theatre | Bridewell Theatre | England, London, 14 Bride Lane | 2009-07-14 | 2011-06-04 | 2009–2011 | 2 | |
| BBC 2 | BBC 2 | England, London | 1982-07-19 | -- | 1982–1992 | 4 | |
| Bird's Nest Theatre, The | The Bird's Nest Theatre | England, London | 1991-06-11 | 1991-06-30 | 1991 | 1 | |
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