| Almeerse Theaters, de | De Almeerse Theaters | Netherlands, Almere | 2003-03-12 | -- | 2003 | 1 | |
| Aíthousa Askós Patísia | Aíthousa Askós Patísia | Greece, Athens | 1982-01-29 | 1982-03-28 | 1982 | 1 | |
| Avenyteatern | Avenyteatern | Sweden, Ludvika, Carlavägen 24 | 2010-10-27 | -- | 2010 | 1 | |
| Aulaen i Verdal | Aulaen i Verdal | Norway, Verdal, Verdal | 2012-11-05 | 2020-10-26 | 2012–2022 | 3 | |
| Ålesund | Ålesund | Norway, Ålesund | 1893-03-09 | 1995-11-02 | 1893–2006 | 15 | |
| Aux Dog Theatre | Aux Dog Theatre | United States of America, Albuquerque, 3011 Monte Vista Blvd NE | 2013-08-09 | 2013-09-01 | 2013 | 1 | |
| Adam House Theatre | Adam House Theatre | Scotland, Edinburgh | 1969-10-22 | -- | 1969 | 1 | |
| Avery Hall, Vassar College | Avery Hall, Vassar College | United States of America, Poughkeepsie | 1941-02-21 | 1951-03-17 | 1941–1951 | 3 | |
| Almaty theatre | Almaty theatre | Kazakhstan, Almaty, Halyk Square, Аллея 34, Almaty 050000, Kazakhstan | 2024-02-25 | 2024-02-25 | 2024 | 1 | |
| Akron | Akron | United States of America, Akron | 1903-10-22 | 1903-10-22 | 1903 | 1 | |
| Apollo-Theater | Apollo-Theater | Germany, Siegen, Morleystraße 1 | 2008-03-07 | 2012-04-14 | 2008–2014 | 3 | |
| Arena Theatre at the University of Oregon | Arena Theatre at the University of Oregon | United States of America, Eugene, University of Oregon | 1998-03-04 | 1998-03-14 | 1998 | 1 | |
| Aula der Städtischen Realschule | Aula der Städtischen Realschule | Germany, Geilenkirchen, Gillesweg 1 | 2007-05-22 | -- | 2007 | 1 | |
| Amphitheater am Stoa | Amphitheater am Stoa | Germany, Edling, Kesselseestraße | 1999-06-29 | -- | 1999 | 1 | |
| Aleksandriskij teatr | Aleksandriskij teatr | Russia, St Petersburg, Russland, Ostrovskogo Square, 6 | 1917-12-15 | -- | 1917–2011 | 2 | |
| Ålvundfjord, Samfunnshuset | Samfunnshuset Ålvundfjord (Aalvundfjord) | Norway, Ålvundfjord | 1956-02-09 | -- | 1956–1960 | 3 | |
| Aulaen AID | Aulaen AID | Norway, Grimstad | 1984-11-28 | -- | 1984–1985 | 2 | |
| Albert-Theater Dresden | Albert-Theater Dresden | Germany, Dresden, Albertplatz | 1928-04-06 | -- | 1928 | 1 | |
| Arena Peloro | Arena Peloro | Italy, Messina | 1893-07-07 | -- | 1893 | 1 | |
| Ahmanson Theatre, The Music Center | Ahmanson Theatre, The Music Center | United States of America, Los Angeles, 135 N. Grand Ave Los Angeles | 1998-07-22 | 1998-09-06 | 1998 | 1 | |
| Auditorium Mainstage Theatre at Glendale Community College | Auditorium Mainstage Theatre at Glendale Community College | United States of America, Glendale, 1500 N Verdugo Rd | 2012-11-08 | 2012-11-18 | 2012 | 1 | |
| Åmli ungdomsskole | Åmli ungdomsskole | Norway, Åmli | 1997-10-17 | -- | 1997 | 1 | |
| Albery Theatre | Albery Theatre | England, London, St Martin's Lane | 2003-06-12 | 2003-08-16 | 2003 | 1 | |
| Atalante, Théâtre de | Théâtre de l'Atalante | France, Paris, 10 Place Charles Dullin | 1994-01-05 | 1994-02-07 | 1994 | 1 | |
| Auditorio Municipal de La Pintana | Auditorio Municipal de La Pintana | Chile, La Pintana | 2011-11- | -- | 2011 | 1 | |
| Avholdslokalet | Avholdslokalet | Norway, Horten | 1927-09-07 | -- | 1927–1956 | 4 | |
| American Theatre Company | American Theatre Company | United States of America, Tulsa, 308 S Lansing Ave | 2021-10-08 | 2021-10-16 | 2021 | 1 | |
| Auklandshamn | Auklandshamn | Norway, Sveio | 2005-08-27 | -- | 2005 | 1 | |
| Ace of Clubs | Ace of Clubs | United States of America, New York, 9 Great Jones St | 2005-08-22 | 2005-08-27 | 2005 | 1 | |
| Allmags Festplats | Allmags Festplats | Sweden, Orust, Bohuslän | 1997-07-24 | 1997-08-03 | 1997 | 1 | |
| Arts Council Theatre | Arts Council Theatre | Pakistan, Karachi, M.R Kyani Road | 2007-02-15 | 2007-02-19 | 2007 | 1 | |
| Austria | Austria | Austria | 1918-03-15 | -- | 1918–1964 | 3 | |
| Åmot | Åmot | Norway, Vinje, Telemark | -- | -- | | | |
| Auditori de la Mediterrània | Auditori de la Mediterrània | Spain, La Nucía | 2008-04-13 | -- | 2008 | 1 | |
| Alle Vigne, Teatro | Teatro Alle Vigne | Italy, Lodi, Via Cavour, 66 | 2017-03-05 | -- | 2017 | 1 | |
| Åmot gard | Åmot gard | Norway, Bygstad, Midttunet | 2009-04-30 | 2009-05-03 | 2009 | 1 | |
| Aure Ungdomsskole | Aure Ungdomsskole | Norway, Aure | 1990-04-03 | -- | 1990 | 1 | |
| Ananya Theatre Festival | Ananya Theatre Festival | Bangladesh, Chandpur | 2001-02-25 | -- | 2001 | 1 | |
| Arles, Théâtre d' | Théâtre d'Arles | France, Arles, 43 Boulevard Georges Clemenceau | 2015-04-16 | 2015-04-17 | 2015 | 1 | |
| Állami Déryné Szinház | Állami Déryné Szinház | Hungary, Budapest | 1962-02-24 | -- | 1962 | 1 | |
| Aula des Stift Gymnasiums | Aula des Stift Gymnasiums | Germany, Düren | 1980-03-31 | -- | 1980 | 1 | |
| Askvoll idrettshall | Askvoll idrettshall | Norway, Askvoll | 2016-04-07 | -- | 2016 | 1 | |
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