| Aure Ungdomsskole | Aure Ungdomsskole | Norway, Aure | 1990-04-03 | -- | 1990 | 1 | |
| Actors Playhouse (The Opposites Company) | Actors Playhouse (The Opposites Company) | United States of America, New York, 100A, 7th Av. S | 1959-02-04 | -- | 1959–1970 | 3 | |
| Akademija za igralsko umetnost Ljubljana | Akademija za igralsko umetnost Ljubljana | Slovenia, Ljubljana | 1951-07-02 | -- | 1951 | 1 | |
| Arendal Kulturhus (Store Torungen) | Arendal Kulturhus (Store Torungen) | Norway, Arendal, Sam Eydes Plass 1 | 2005-08-11 | 2020-09-02 | 2005–2022 | 13 | |
| Alpine Mittelschule | Alpine Mittelschule | Switzerland, Davos, Guggerbachstrasse 2 | 2010-04-13 | -- | 2010 | 1 | |
| Auditorio Medina del Campo | Auditorio Medina del Campo | Spain, Medina del Campo,, Plaza Segovia, s/n | 2016-09-24 | -- | 2016 | 1 | |
| Állami Déryné Szinház | Állami Déryné Szinház | Hungary, Budapest | 1962-02-24 | -- | 1962 | 1 | |
| Anahita Theatre | Anahita Theatre | Iran, Tehran | 1959-08-25 | -- | 1959 | 1 | |
| ANKER Leipzig | ANKER Leipzig | Germany, Leipzig, Renftstraße 1 | 2006-06-21 | -- | 2006 | 1 | |
| Atorie shunpūsha | Atorie shunpūsha (Atelier Shunpusha) | Japan, Tokyo | 2013-10-25 | 2013-10-31 | 2013 | 1 | |
| Amfi-Théatro Spýrou Evangelátou | Amfi-Théatro Spýrou Evangelátou (Spiros Evagelatos Amphitheatre) | Greece, Athens, Adrianou 111 | 2009-12-19 | 2010-03-28 | 2009 | 1 | |
| Albury | Albury | Australia, Albury | 1891-07-04 | -- | 1891 | 1 | |
| Aachen | Aachen | Germany, Aachen | 1954-- | -- | 1954 | 1 | |
| Argentina | Argentina | Argentina | 1972-- | -- | 1972–1997 | 4 | |
| Aula des Gymnasiums Remigianum | Aula des Gymnasiums Remigianum | Germany, Borken | 1980-01-10 | -- | 1980 | 1 | |
| Arnstadt | Arnstadt | Germany | 1967-11-29 | -- | 1967–2010 | 2 | |
| Academy Theatre | Academy Theatre | Australia, Brisbane, Elizabeth Street | 1959-08-25 | -- | 1959 | 1 | |
| Atorie sentio | Atorie sentio (Atelier Sentio) | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
| Avesta | Avesta | Sweden, Avesta | 1991-03-06 | 1991-03-06 | 1991 | 1 | |
| Ambassador Theatre | Ambassador Theatre | United States of America, New York, 219 W 49th Street | 2001-09-19 | 2002-01-13 | 2001 | 1 | |
| Atorie shunpūsha | Atorie shunpūsha (Atelier Shunpusha) | Japan, Tokyo, 〒173-0036 Tokyo, Itabashi City, Mukaihara, 2 Chome−22−17 すぺいすしょう向原 | 2009-10-09 | 2009-10-18 | 2009 | 1 | |
| Abrud | Abrud | Romania, Abrud | 1914-02-07 | -- | 1914 | 1 | |
| Aulaen | Aulaen | Norway, Horten | 1965-09-12 | -- | 1965–1969 | 3 | |
| Ann Arbour | Ann Arbour | United States of America, Ann Arbour | 1903-11-30 | 1903-11-30 | 1903 | 1 | |
| Actor's Outlet Theatre | Actor's Outlet Theatre | United States of America, New York, 120 West 28th Street | 1984-01-19 | 1989-06-09 | 1984–1989 | 2 | |
| Aldwych Theatre | Aldwych Theatre | England, London, 49 Aldwych | 1967-06-14 | 1973-06-02 | 1967–1991 | 6 | |
| Athenaeum | Athenaeum | United States of America, Milwaukee | 1892-12-16 | 1892-12-16 | 1892 | 1 | |
| Arendal Bibliotek | Arendal Bibliotek | Norway, Arendal, Arendal | 2006-03-21 | -- | 2006 | 1 | |
| Aust-Agder | Aust-Agder | Norway, Aust-Agder | 2000-11-08 | 2000-11-20 | 2000 | 1 | |
| Actors Bridge Studio | Actors Bridge Studio | United States of America, Nashville, 4610 Charlotte Ave | 2018-02-28 | 2018-03-03 | 2018 | 1 | |
| American Conservatory Theatre, The | The American Conservatory Theatre | United States of America, San Francisco, 405 Geary Street | 1971-02-17 | 1977-12-12 | 1971–1983 | 5 | |
| Agnes Sorma und die Irving Place Theatergesellschaft | Agnes Sorma und die Irving Place Theatergesellschaft | United States of America, Chicago | -- | -- | | | |
| Arts Club Theatre | Arts Club Theatre | Canada, Vancouver, Johnston Street | 1978-03-09 | -- | 1978 | 1 | |
| Ankara State Theatre | Ankara Devlet Tiyatrosu (Ankara State Theatre) | Turkey, Kavaklidere, Ankara, Atatürk Bulvarı, No: 227 | 1977-- | 2015-- | 1977–2014 | 2 | |
| An Grianan Theatre | An Grianan Theatre | Ireland, Letterkenny, Port Rd | 2011-05-23 | -- | 2011 | 1 | |
| Arts, Salle des | Salle des Arts | France, Villennes-sur-Seine, 57 Place de la Libération | -- | -- | | | |
| Ankara State Theatre | Ankara State Theatre | Turkey, Ankara, Atatürk Bulvarı, No: 227, KAVAKLIDERE | 1949-- | 1966-- | 1949–2010 | 4 | |
| Arenbergschouwburg | Arenbergschouwburg | Belgium, Antwerpen, Arenbergstraat 28 | 2008-02-14 | -- | 2008 | 1 | |
| Allianca Francais | Allianca Francais | Uruguay, Montevideo, Bvar Gral Artigas 1271 | 1980-05-08 | 1980-05-08 | 1980 | 1 | |
| Anton Graff-Haus | Anton Graff-Haus | Switzerland, Winterthur, Zürcherstr. 28 | 2003-11-17 | 2003-11-21 | 2003 | 1 | |
| A.T.F. ( University of Arts Târgu Mureş) | A.T.F. ( University of Arts Târgu Mureş) | Romania, Târgu-Mureș, Strada Köteles Sámuel 6 | 1958-06-20 | 1958-06-25 | 1958–1970 | 2 | |
| Annex Theater | Annex Theater | United States of America, New York | 1988-12-08 | -- | 1988 | 1 | |
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