| Aust-Agder | Aust-Agder | Norway, Aust-Agder | 2000-11-08 | 2000-11-20 | 2000 | 1 | |
| Aula de Teatro de la Universidad de Burgo | Aula de Teatro de la Universidad de Burgo | Spain, Burgos | 1991-06-27 | -- | 1991 | 1 | |
| Alhecama Theatre | Alhecama Theatre | United States, Santa Barbara, 914 Santa Barbara St. | 2001-02-09 | 2011-04-24 | 2001–2011 | 2 | |
| Aulaen AID | Aulaen AID | Norway, Grimstad | 1984-11-28 | -- | 1984–1985 | 2 | |
| Auditorio Municipal de Caudete | Auditorio Municipal de Caudete | Spain, Caudete, Las Eras, 33 | 2005-11-06 | 2005-11-06 | 2005 | 1 | |
| Auditorio Municipal de La Pintana | Auditorio Municipal de La Pintana | Chile, La Pintana | 2011-11- | -- | 2011 | 1 | |
| American Repertory Theatre | American Repertory Theatre | United States, Cambridge, Loeb Drama Center, 64 Brattle St | 1982-05- | 1991-03-09 | 1982–1992 | 3 | |
| American Airlines Theatre | American Airlines Theatre | United States, New York, 227 W 42nd St | 2009-01-06 | 2009-03-29 | 2009 | 1 | |
| Arena Theatre, Moravian College | Arena Theatre, Moravian College | United States, Bethlehem, 1200 Main St | 2005-10-20 | 2020-02-14 | 2005–2020 | 2 | |
| ANTA Playhouse | ANTA Playhouse | United States, New York, 245 W. 52nd St | 1951-01-28 | 1951-02-24 | 1951 | 1 | |
| ArtsWest | ArtsWest | United States, Seattle, 4711 California Ave SW | 2016-09-22 | 2016-10-23 | 2016 | 1 | |
| Alba Iulia | Alba Iulia | Romania, Alba Iulia | 1911-10-03 | -- | 1911–1914 | 3 | |
| Apollotheater | Apollotheater | Germany, Bonn | 1906-05-05 | -- | 1906 | 3 | |
| Agnes Sorma und die Irving Place Theatergesellschaft | Agnes Sorma und die Irving Place Theatergesellschaft | United States, Chicago | -- | -- | | | |
| Ashwood College | Ashwood College | Australia, Ashwood, Vannam Drive | 2007-- | 2007-11-10 | 2007 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, London, Hampstead Heath Extension | 1893-01-26 | -- | 1893 | 1 | |
| Alle Vigne, Teatro | Teatro Alle Vigne | Italy, Lodi, Via Cavour, 66 | 2017-03-05 | -- | 2017 | 1 | |
| Alte Sparkasse | Alte Sparkasse | Germany, Ibbenbüren, Oststraße 28 | 1998-11-18 | -- | 1998 | 1 | |
| Auditório do Instituto Caetano de Campos | Auditório do Instituto Caetano de Campos | Brazil, São Paulo | 1948-06-04 | -- | 1948 | 1 | |
| Andoain | Andoain | Spain, Andoain | 2011-03-11 | -- | 2011 | 1 | |
| Agder Teater (Intimscenen) | Agder Teater (Intimscenen) | Norway, Kristiansand, Sjølystveien 2 | 1997-09-20 | -- | 1997 | 1 | |
| Apartman Sahne | Apartman Sahne (Apartman Stage) | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | -- | -- | | | |
| Akademietheater Utrecht | Akademietheater Utrecht | Netherlands, Utrecht, Janskerkhof 17 | 1997-12-19 | -- | 1997 | 1 | |
| Aula des Stift Gymnasiums | Aula des Stift Gymnasiums | Germany, Düren | 1980-03-31 | -- | 1980 | 1 | |
| Algonquin Arts Theatre | Algonquin Arts Theatre | United States, Manasquan, 173 Main St | 2002-03-07 | 2002-03-24 | 2002 | 1 | |
| Arts Theatre | Arts Theatre | Australia, Adelaide, 53 Angas St | 1964-09-26 | 1964-10-03 | 1964 | 1 | |
| Alley Theatre | Alley Theatre | United States, Houston, 615 Texas Ave | 1956-02-25 | 2021-05-23 | 1956–2021 | 3 | |
| Academy | Academy | United States, Charlotte | 1905-09-21 | 1905-09-21 | 1905 | 1 | |
| Arendal | Arendal | Norway, Arendal | 1897-03-18 | 1971-10-09 | 1897–1971 | 4 | |
| Alhambra Theatre | Alhambra Theatre | England, Bradford, West Yorkshire, Morley St | 1993-05-21 | 1993-05-22 | 1993 | 1 | |
| Academy of Music | Academy of Music | United States, Richmond | 1903-10-01 | 1905-09-05 | 1903–1905 | 3 | |
| Actors Theatre of Louisville | Actors Theatre of Louisville | United States, Louisville, 316 West Main St. | 1972-02-10 | 2013-04-07 | 1972–2013 | 2 | |
| Alvdal, Samfunnshuset | Samfunnshuset Alvdal | Norway, Alvdal | 1969-02-23 | -- | 1969–1986 | 8 | |
| Ādolfa Alunāna teātris | Ādolfa Alunāna teātris | Latvia, Jelgava | 1897-09-28 | -- | 1897 | 1 | |
| Avenue Theatre | Avenue Theatre | United States, Brockway | 1904-05-07 | 1904-05-07 | 1904 | 1 | |
| Avenue Theatre | Avenue Theatre | England, Ealing, London, 268 Northfield Avenue | 1892-04-19 | 1896-12-19 | 1892–1896 | 3 | |
| Amphion Theatre | Amphion Theatre | United States, New York | 1895-11-18 | 1895-11-18 | 1895 | 1 | |
| Aurora Turner Hall | Aurora Turner Hall | United States, Chicago, 3124 N. Clark Street | 1882-05-20 | -- | 1882 | 1 | |
| Aksdal | Aksdal | Norway, Aksdal | 2002-05-05 | -- | 2002 | 1 | |
| Asahikawa | Asahikawa | Japan, Asahikawa | 2010-02-24 | -- | 2010 | 1 | |
| Arsenaal | 't Arsenaal | Belgium, Mechelen, Hanswijkstraat 63 | 2007-02-28 | 2007-12-20 | 2007 | 1 | |
| Állatkerti Szabadtéri Színpad | Állatkerti Szabadtéri Színpad | Hungary, Budapest, Állatkerti krt. 6-12 | 1947-07-16 | -- | 1947 | 1 | |
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