| Academy of Music | Academy of Music | Australia, Launceston, 79-85 George Street | 1891-10-24 | -- | 1891 | 1 | |
| ARD (Germany) | ARD (Germany) | Germany | 1961-10-12 | -- | 1961–1980 | 2 | |
| Aktien-Theater | Aktien-Theater | Germany, Heilbronn | 1892-02-08 | -- | 1892 | 1 | |
| Albany Opera House | Albany Opera House | United States, Albany | 1905-11-10 | 1905-11-10 | 1905 | 1 | |
| Arbins Gate | Arbins Gate | Norway, Oslo, Arbins Gate | 1991-- | 1992-- | 1991 | 1 | |
| Amstetten | Amstetten | Austria, Amstetten | 2002-12-04 | -- | 2002 | 1 | |
| Alfieri, Teatro | Teatro Alfieri | Italy, Castelnuovo Garfagnana, Via Guglielmo Marconi | 2018-02-04 | -- | 2018 | 1 | |
| Australia | Australia | Australia | 1984-- | -- | 1984 | 1 | |
| Alnwick Playhouse | Alnwick Playhouse | England, Alnwick, Bondgate Without | 2007-06-01 | 2014-10-07 | 2007–2014 | 2 | |
| American Conservatory Theatre, The | The American Conservatory Theatre | United States, San Francisco, 405 Geary Street | 1971-02-17 | 1977-12-12 | 1971–1983 | 5 | |
| ANU Arts Centre | ANU Arts Centre | Australia, Canberra, Acton | 1997-09-11 | 1997-09-20 | 1997 | 1 | |
| Allbrukshuset | Allbrukshuset | Norway, Hemnesberget | 2009-04-25 | -- | 2009 | 1 | |
| Arvidsjaur | Arvidsjaur | Sweden | 1989-09-22 | 1989-09-22 | 1989 | 1 | |
| Actors Workout Studio, The | The Actors Workout Studio | United States, North Hollywood, 4735 Lankershim Blvd | 2015-11-06 | -- | 2015 | 1 | |
| Aula des Schulzentrums Büschergrund | Aula des Schulzentrums Büschergrund | Germany, Freudenberg, Hausmeister Löw, Schulzentrum | 2007-02-17 | -- | 2007 | 1 | |
| ArtsCenter, The | The ArtsCenter | United States, Carrboro, 300-G E Main St, | 2000-01-05 | 2000-01-16 | 2000 | 1 | |
| Aoyama Round Theatre | Aoyama Round Theatre | Japan, Shibuya, Tokyo, 5-53-1 Jingumae | 1989-12-06 | 1990-06-28 | 1989–1990 | 2 | |
| Akademie der Künste | Akademie der Künste | Germany, Berlin, Pariser Platz 4 | 1990-10-20 | -- | 1990 | 1 | |
| Alpine Mittelschule | Alpine Mittelschule | Switzerland, Davos, Guggerbachstrasse 2 | 2010-04-13 | -- | 2010 | 1 | |
| Arts Theatre Club | Arts Theatre Club | England, London, 50 Frith St | 1928-11-13 | 1947-02-02 | 1928–1951 | 9 | |
| Atlanta | Atlanta | United States, Atlanta | 2001-09-20 | 2001-10-07 | 2001 | 1 | |
| ARTE | ARTE | France, Strasbourg | 2006-04-26 | 2006-04-30 | 2006–2011 | 3 | |
| Austråtborgen | Austråtborgen | Norway, Austråt | 1983-06-11 | 1984-08-26 | 1983–1984 | 2 | |
| Alba | Alba | Romania, Alba | -- | -- | | | |
| Arbore | Arbore | Romania, Arbore | -- | -- | | | |
| Aktientheater in Zürich | Aktientheater in Zürich | Switzerland, Zürich | 1888-10-24 | -- | 1888–1889 | 2 | |
| Ashtabula Arts Center | Ashtabula Arts Center | United States, Ashtabula, 2928 W 13th St | 2011-11-04 | 2011-11-13 | 2011 | 1 | |
| Al-Najah University | Al-Najah University | Palestinian Territories, Nablus | 2008-10-07 | -- | 2008 | 1 | |
| Albert Theatre | Albert Theatre | United States, Chicago, 170 N Dearborn St | 2005-06-18 | 2005-07-24 | 2005 | 1 | |
| Årdalstangen | Årdalstangen | Norway, Årdalstangen | 1971-02-26 | -- | 1971–1996 | 2 | |
| Athénée Théâtre Louis Jouvet | Athénée Théâtre Louis Jouvet | France, Paris, 24 Rue de Caumartin | 1929-04-27 | 2003-02-08 | 1929–2003 | 2 | |
| ARTos Cultural and Research Foundation | ARTos Cultural and Research Foundation | Cyprus, Nicosia, 64 Ayion Omoloyiton Avenue | 2018-04-16 | 2018-04-27 | 2018 | 1 | |
| Åbo Svenska Teater | Åbo Svenska Teater | Finland, Turku (Åbo), 13, Eerikinkatu | 1877-01-12 | 2011-11-26 | 1877–2011 | 22 | |
| Auditorio Víctor Jara | Auditorio Víctor Jara | Spain, Madrid, Plaza de la Constitución 1. Arganda del Rey | 2006-01-21 | 2006-01-21 | 2006 | 1 | |
| Aspö bygdegård | Aspö bygdegård | Sweden, Strängnäs | 2019-10-11 | 2019-10-11 | 2019 | 1 | |
| Arnim-Gymnasium | Arnim-Gymnasium | Germany, Dormagen, Haberlandstr. 14 | 2002-01-23 | -- | 2002–2006 | 2 | |
| Adliswil | Adliswil | Switzerland | 2002-04-25 | -- | 2002 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, Manchester, Princess Street | 1907-11-16 | 1907-11-23 | 1907 | 1 | |
| Alma Theatre, The | The Alma Theatre | England, Bristol, Avon, 18-20 Alma Vale Road | 2007-04-17 | 2017-03-18 | 2007–2017 | 3 | |
| Alliance Theatre | Alliance Theatre | United States, Atlanta, 1280 Peachtree St NE | 1992-03-27 | 1992-05-17 | 1992 | 1 | |
| Amfitheatro | Amfitheatro | Greece, Athens, Adrianou 111 | 2009-12-19 | 2010-03-28 | 2009 | 1 | |
| Åvaberg | Åvaberg | Sweden, Åvaberg | 1971-03-07 | -- | 1971 | 1 | |
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