| Ardhowen Theatre | Ardhowen Theatre | Northern Ireland, Enniskillen, 97 Dublin Road | 2007-03-10 | -- | 2007–2011 | 2 | |
| Auditório Cláudio de Souza | Auditório Cláudio de Souza | Brazil, Andar, Praia do Flamengo, 172 - 11º | 1956-07-23 | -- | 1956 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, Manchester, Princess Street | 1907-11-16 | 1907-11-23 | 1907 | 1 | |
| Aula Cultural de la Caja Insular de Ahorros | Aula Cultural de la Caja Insular de Ahorros | Spain, Palmas de Gran Canaria | 1982-02-18 | -- | 1982 | 1 | |
| Academy of Fine Arts, Kolkata | Academy of Fine Arts, Kolkata | India, Kolkata, 2, Cathedral Road | 2004-01- | -- | 2004–2006 | 2 | |
| Arbeidersamfunnet | Arbeidersamfunnet | Norway, Halden | 1952-02-16 | -- | 1952–1960 | 4 | |
| Aula des Gymnasiums Remigianum | Aula des Gymnasiums Remigianum | Germany, Borken | 1980-01-10 | -- | 1980 | 1 | |
| Amfitheatro | Amfitheatro | Greece, Athens, Adrianou 111 | 2009-12-19 | 2010-03-28 | 2009 | 1 | |
| Ādolfa Alunāna teātris | Ādolfa Alunāna teātris | Latvia, Jelgava | 1897-09-28 | -- | 1897 | 1 | |
| Alexandria | Alexandria | Egypt, Alexandria | 2006-07-09 | -- | 2006 | 1 | |
| Ålen | Ålen | Norway, Ålen | -- | -- | | | |
| Arbeidersamfundet | Arbeidersamfundet | Norway, Bodø | 1894-02-01 | -- | 1894–1928 | 3 | |
| Aux Dog Theatre | Aux Dog Theatre | United States, Albuquerque, 3011 Monte Vista Blvd NE | 2013-08-09 | 2013-09-01 | 2013 | 1 | |
| ARTUS - Théâtre universitaire de Strasbourg | ARTUS - Théâtre universitaire de Strasbourg | France, Strasbourg | 1994-- | -- | 1994 | 1 | |
| Aksdal | Aksdal | Norway, Aksdal | 2002-05-05 | -- | 2002 | 1 | |
| Atelier Sentio | Atelier Sentio | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
| Ann Arbour | Ann Arbour | United States, Ann Arbour | 1903-11-30 | 1903-11-30 | 1903 | 1 | |
| Aula der Jacob Lienau Realschule | Aula der Jacob Lienau Realschule | Germany, Neustadt-Holstein, Schulstraße 4 | 1997-09-30 | 1997-09-30 | 1997 | 1 | |
| Alvdal | Alvdal | Norway, Alvdal | 1971-04-23 | -- | 1971 | 1 | |
| Aesthetic Realism Foundation | Aesthetic Realism Foundation | United States, New York, 141 Greene Street | 2001-10-21 | -- | 2001–2009 | 2 | |
| Atlanten ungdomsskole | Atlanten ungdomsskole | Norway, Kristiansund, 6511 Kristiansund | 2007-03-23 | -- | 2007 | 1 | |
| Actors Bridge Studio | Actors Bridge Studio | United States, Nashville, 4610 Charlotte Ave | 2018-02-28 | 2018-03-03 | 2018 | 1 | |
| Arts Centre, The | The Arts Centre | England, Ormskirk, Edge Hill University, St Helens Road | 2011-03-23 | 2014-10-16 | 2011–2014 | 2 | |
| Alte Steige | Alte Steige | Germany, Wertheim, Ferdinand-Hotz-Straße 1 | 2006-03-07 | -- | 2006 | 1 | |
| Allen Studio Theatre | Allen Studio Theatre | United States, Claremont, 300 East Bonita Ave. | 1993-04-16 | 2006-11-19 | 1993–2006 | 4 | |
| Aktientheater | Aktientheater | Germany, Osnabrück, Große Gildewart 7 | 1878-03-06 | -- | 1878 | 1 | |
| Apartman Sahne | Apartman Sahne | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | 2020-01-27 | -- | 2020 | 1 | |
| Alingsås | Alingsås | Sweden, Alingsås | 1989-11-23 | 1989-11-23 | 1989 | 1 | |
| Alexandrinsky Theatre | Alexandrinsky Theatre | Russia, St Petersburg, pl. Ostrovskogo, 6 | 1878-11-18 | 2019-12-14 | 1878–2019 | 9 | |
| Allianca Francais | Allianca Francais | Uruguay, Montevideo, Bvar Gral Artigas 1271 | 1980-05-08 | 1980-05-08 | 1980 | 1 | |
| Auditori Plaça Abadia | Auditori Plaça Abadia | Spain, Sant Feliu de Guíxols, Plaza de la Abadía | 2006-08-09 | -- | 2006 | 1 | |
| Agorà Teatro | Agorà Teatro | Switzerland, Magliaso, via fiume 4 | 2011-01-22 | 2011-04-03 | 2011 | 1 | |
| An Grianan Theatre | An Grianan Theatre | Ireland, Letterkenny, Port Rd | 2011-05-23 | -- | 2011 | 1 | |
| Arena Garibaldi | Arena Garibaldi | Italy, Genova | 1903-08-14 | -- | 1903 | 1 | |
| Arenbergschouwburg | Arenbergschouwburg | Belgium, Antwerpen, Arenbergstraat 28 | 2008-02-14 | -- | 2008 | 1 | |
| Allbrukshuset | Allbrukshuset | Norway, Hemnesberget | 2009-04-25 | -- | 2009 | 1 | |
| Altonaer Stadttheater | Altonaer Stadttheater | Germany, Hamburg, Königstrasse | 1888-04-10 | 1928-06-03 | 1888–1938 | 49 | |
| Austria | Austria | Austria | 1918-03-15 | -- | 1918–1964 | 3 | |
| Arbins Gate | Arbins Gate | Norway, Oslo, Arbins Gate | 1991-- | 1992-- | 1991 | 1 | |
| Auditori Teatre (Calldetenes) | Auditori Teatre (Calldetenes) | Spain, Calldetenes, Plaça Onze de Setembre, S/N | 2008-09-06 | -- | 2008 | 1 | |
| Aktien-Theater | Aktien-Theater | Germany, Heilbronn | 1892-02-08 | -- | 1892 | 1 | |
| Arcola Theatre Studio 2 | Arcola Theatre Studio 2 | England, London, 24 Ashwin Street | 2011-06-29 | 2011-07-30 | 2011 | 1 | |
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