| Ansbach-Theater Borkholderhaus | Ansbach-Theater Borkholderhaus | Germany, Ansbach, Promenade 29 | 2006-11-23 | -- | 2006 | 1 | |
| Actors Theatre of Louisville | Actors Theatre of Louisville | United States, Louisville, 316 West Main St. | 1972-02-10 | 2013-04-07 | 1972–2013 | 2 | |
| Anahita Theatre | Anahita Theatre | Iran, Tehran | 1959-08-25 | -- | 1959 | 1 | |
| Assembly Hall, University of Western Australia | Assembly Hall, University of Western Australia | Australia, Perth, Pier Street | 1959-09-08 | 1959-09-10 | 1959 | 1 | |
| Auditorium Christian Temple | Auditorium Christian Temple | United States, Muskogee | 1913-03-17 | 1913-03-17 | 1913 | 1 | |
| ANU Arts Centre | ANU Arts Centre | Australia, Canberra, Acton | 1997-09-11 | 1997-09-20 | 1997 | 1 | |
| Artrix | Artrix | England, Bromsgrove, Slideslow Drive | 2018-05-17 | -- | 2018 | 1 | |
| Aula des Josef-Albers-Gymnasium | Aula des Josef-Albers-Gymnasium | Germany, Bottrop, Zeppelinstraße 20 | 1999-01-25 | 1999-01-25 | 1999–2015 | 2 | |
| Academy of Music | Academy of Music | United States, Philadelphia | 1903-11-25 | 1903-11-25 | 1903 | 1 | |
| Appeltheater | Appeltheater | Netherlands, The Hague, Duinstraat 6 | 1979-09-07 | 2003-02-01 | 1979–2002 | 3 | |
| Academy of Music | Academy of Music | Australia, Launceston, 79-85 George Street | 1891-10-24 | -- | 1891 | 1 | |
| Asmaløy skole | Asmaløy skole | Norway, Vesterøy, Vesterøy | 2005-11-08 | -- | 2005 | 1 | |
| Alhamra Cultural Complex | Alhamra Cultural Complex | Pakistan, Lahore, The Mall | 2005-11-21 | 2005-11-22 | 2005 | 1 | |
| Ål | Ål | Norway, Ål | 1995-01-27 | -- | 1995–2005 | 5 | |
| Alumnae Theatre Company | Alumnae Theatre Company | Canada, Toronto, 70 Berkeley St | 2010-11-12 | 2010-11-27 | 2010 | 1 | |
| Alba | Alba | Romania, Alba | -- | -- | | | |
| Åfoss skole | Åfoss skole | Norway, Skien, Eikåsvegen 10 | 2006-09-18 | -- | 2006 | 1 | |
| Årvoll skole | Årvoll skole | Norway, Oslo, Bård skolemesters vei 1 | 2005-10-26 | -- | 2005 | 1 | |
| Agder Teater (Hovedscenen) | Agder Teater (Hovedscenen) | Norway, Kristiansand, Sjølystveien 2 | 1997-09-21 | 2003-02-18 | 1997–2009 | 8 | |
| Altes Neues Rathaus | Altes Neues Rathaus | Germany, Moers, Kastell 9 | 2012-09-13 | -- | 2012 | 1 | |
| Arcola Theatre Studio 1 | Arcola Theatre Studio 1 | England, London, 24 Ashwin St | 2008-04-01 | 2009-08-22 | 2008–2009 | 2 | |
| Akademietheater | Akademietheater | Austria, Wien, Lisztstraße 1 | 1979-10-17 | -- | 1979–2012 | 2 | |
| Aachen | Aachen | Germany, Aachen | 1954-- | -- | 1954 | 1 | |
| Arena Theatre at the University of Oregon | Arena Theatre at the University of Oregon | United States, Eugene, University of Oregon | 1998-03-04 | 1998-03-14 | 1998 | 1 | |
| Aichi Bunka Kodo Auditorium | Aichi Bunka Kodo Auditorium | Japan, Nagoya | 1971-10-02 | -- | 1971 | 1 | |
| Akademie der Künste | Akademie der Künste | Germany, Berlin, Pariser Platz 4 | 1990-10-20 | -- | 1990 | 1 | |
| Ashland University Theatre | Ashland University Theatre | United States, Ashland, Ashland University Theatre 331 College Ave | 2019-10-11 | 2019-10-19 | 2019 | 1 | |
| Alliance Française | Alliance Française | France, Paris, Boulevard Raspail | 1967-09-27 | -- | 1967 | 1 | |
| Ankara DT big Theatre | Ankara Devlet Tiyatrosu Büyük Tiyatro (Ankara State Theatre Big Theatre) | Turkey, Ankara, Atatürk Bulvarı No:50 ULUS | 1956-03-10 | 2008-- | 1956–2007 | 2 | |
| Alexanders Teatern | Alexanders Teatern | Finland, Helsinki, Bulevarden 23-27 | 1886-10-12 | 1886-10-14 | 1886–1895 | 2 | |
| Ålvundfjord, Samfunnshuset | Samfunnshuset Ålvundfjord (Aalvundfjord) | Norway, Ålvundfjord | 1956-02-09 | -- | 1956–1960 | 3 | |
| Amakhosi Theatre | Amakhosi Theatre | Zimbabwe, Bulawayo | 2003-10-26 | 2003-10-28 | 2003 | 1 | |
| Alliance Theatre | Alliance Theatre | United States, Atlanta, 1280 Peachtree St NE | 1992-03-27 | 1992-05-17 | 1992 | 1 | |
| Akademski dramatičeski teatr drami | Akademskij dramatičeskij teatr drami | Russia, Omsk, Ulitsa Lenina, 8А | 1986-05-15 | -- | 1986 | 1 | |
| Arena Theatre | Arena Theatre | United States, Fullerton, 800 N State College Blvd, California State University | 1997-10-11 | 2002-03-24 | 1997–2002 | 2 | |
| Akademie für Darstellende Kunst Ludwigsburg | Akademie für Darstellende Kunst Ludwigsburg | Germany, Ludwigsburg, Akademiehof 1 | 2015-03-21 | -- | 2015 | 1 | |
| Altes Stadttheater Chemnitz | Altes Stadttheater Chemnitz | Germany, Chemnitz | 1918-02-24 | -- | 1918–1920 | 3 | |
| Állami Déryné Szinház | Állami Déryné Szinház | Hungary, Budapest | 1962-02-24 | -- | 1962 | 1 | |
| Apotekergaarden | Apotekergaarden | Norway, Grimstad | 2013-08-07 | -- | 2013 | 1 | |
| Argilla Teatri | Argilla Teatri | Italy, Rome, Via dell'Argilla, 18 | 2005-11-23 | 2005-11-27 | 2005 | 1 | |
| Agnes Sorma und die Irving Place Theatergesellschaft | Agnes Sorma und die Irving Place Theatergesellschaft | United States, Chicago | -- | -- | | | |
| Atrå ungdomsskole | Atrå ungdomsskole | Norway, Atrå, Sandven 1 | 2004-10-14 | -- | 2004 | 1 | |
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