| Aspra Spitia | Aspra Spitia | Greece | 1981-11-12 | -- | 1981 | 1 | |
| Aspö bygdegård | Aspö bygdegård | Sweden, Strängnäs | 2019-10-11 | 2019-10-11 | 2019 | 1 | |
| Assembly Hall of the Church of Scotland | Assembly Hall of the Church of Scotland | Scotland, Edinburgh, 121 George St | 1968-08-26 | -- | 1968 | 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 | |
| Assembly Rooms | Assembly Rooms | England, York, Blake Street | 1975-03-18 | -- | 1975 | 1 | |
| Asti | Asti | Italy, Asti | 1908-11-01 | 1934-05-04 | 1908–1934 | 2 | |
| Atalante, Théâtre de | Théâtre de l'Atalante | France, Paris, 10 Place Charles Dullin | 1994-01-05 | 1994-02-07 | 1994 | 1 | |
| Atchison | Atchison | United States, Atchison | 1910-11-04 | 1910-11-04 | 1910 | 1 | |
| Atelier à spectacle | L'Atelier à spectacle | France, Vernouillet, 51 Rue de Torçay | 2014-02-20 | 2014-02-21 | 2014 | 1 | |
| Atelier du Rhin au Théâtre municipal de Colmar | Atelier du Rhin au Théâtre municipal de Colmar | France, Colmar, 3 Rue des Unterlinden | 2002-03-01 | -- | 2002 | 1 | |
| Atelier Sentio | Atelier Sentio | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
| Atelier Theater | Atelier Theater | Switzerland, Bern | 1952-10-01 | -- | 1952–1993 | 11 | |
| Atelier Théâtre Jean Vilar | Atelier Théâtre Jean Vilar | Belgium, Louvain-la-Neuve, Place de l'Hocaille 6 | 2002-01-17 | 2002-02-16 | 2002 | 1 | |
| Ateneo de Caracas | Ateneo de Caracas | Venezuela, Caracas, Urbanización Colinas de La Colina, Quinta La Colina,, Avenida La Salle | 1998-10-01 | 1998-11-10 | 1998 | 1 | |
| Athenaeum | Athenaeum | United States, Milwaukee | 1892-12-16 | 1892-12-16 | 1892 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, London, Hampstead Heath Extension | 1893-01-26 | -- | 1893 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, Manchester, Princess Street | 1907-11-16 | 1907-11-23 | 1907 | 1 | |
| Athenaeum Theatre | Athenaeum Theatre | Australia, Melbourne, 188 Collins Street | 1977-06-14 | 1982-07-24 | 1977–1982 | 3 | |
| Athenaeum Theatre | Athenaeum Theatre | United States, Chicago, IL, 2936 N. Southport Avenue | 2000-04-25 | 2014-06-08 | 2000–2014 | 2 | |
| Athénée Théâtre Louis Jouvet | Athénée Théâtre Louis Jouvet | France, Paris, 24 Rue de Caumartin | 1929-04-27 | 2010-05-22 | 1929–2010 | 3 | |
| Athens | Athens | Greece, Athens | 1970-02-19 | 1981-05-10 | 1970–2013 | 3 | |
| Atlanta | Atlanta | United States, Atlanta | 2001-09-20 | 2001-10-07 | 2001 | 1 | |
| Atlante | Atlante | Sweden, Göteborg, Övre Husargatan 1 | 2015-05-19 | 2015-02-21 | 2015 | 1 | |
| Atlanten ungdomsskole | Atlanten ungdomsskole | Norway, Kristiansund, 6511 Kristiansund | 2007-03-23 | -- | 2007 | 1 | |
| Atlanten videregående skole | Atlanten videregående skole | Norway, Kristiansund, Dalaveien 25 | 2007-10-29 | -- | 2007 | 1 | |
| Atrium des Märkischen Gymnasiums | Atrium des Märkischen Gymnasiums | Germany, Schwelm | 1980-01-21 | -- | 1980 | 1 | |
| Atrå ungdomsskole | Atrå ungdomsskole | Norway, Atrå, Sandven 1 | 2004-10-14 | -- | 2004 | 1 | |
| Attis theatre | Attis theatre | Greece, Athens, Leonidou 7 | 2019-03-20 | 2020-03-12 | 2019 | 1 | |
| Auburn University at Montgomery | Auburn University at Montgomery | United States, Montgomery, 7300 University Drive | 1981-11-14 | 1999-10-17 | 1981–1999 | 2 | |
| Auditori Plaça Abadia | Auditori Plaça Abadia | Spain, Sant Feliu de Guíxols, Plaza de la Abadía | 2006-08-09 | -- | 2006 | 1 | |
| Auditori Teatre (Calldetenes) | Auditori Teatre (Calldetenes) | Spain, Calldetenes, Plaça Onze de Setembre, S/N | 2008-09-06 | -- | 2008 | 1 | |
| Auditorio | Auditorio | Spain, Ceutí, Murcia, Calle de Vicente Martí, 36 | 2010-03-26 | -- | 2010 | 1 | |
| Auditorio Aurelio Guirao | Auditorio Aurelio Guirao | Spain, Cieza, Murcia, Calle de Fernando III 'El Santo' | 2010-04-30 | -- | 2010 | 1 | |
| Auditorio Belarmino García | Auditorio Belarmino García | Spain, Pola de Siero, Calle Alcalde Parrondo, 1 | 2014-07-11 | -- | 2014 | 1 | |
| Auditorio Ciudad de León | Auditorio Ciudad de León | Spain, León, Avenida de los Reyes Leoneses, 4 | 2010-05-19 | -- | 2010 | 1 | |
| Auditório Cláudio de Souza | Auditório Cláudio de Souza | Brazil, Andar, Praia do Flamengo, 172 - 11º | 1956-07-23 | -- | 1956 | 1 | |
| Auditorio de Cabezo de Torres | Auditorio de Cabezo de Torres | Spain, Murcia, Calle de Francisco Rabal | 2010-05-07 | -- | 2010 | 1 | |
| Auditório do Instituto Caetano de Campos | Auditório do Instituto Caetano de Campos | Brazil, São Paulo | 1948-06-04 | -- | 1948 | 1 | |
| Auditorio Medina del Campo | Auditorio Medina del Campo | Spain, Medina del Campo,, Plaza Segovia, s/n | 2016-09-24 | -- | 2016 | 1 | |
| Auditorio Municipal | Auditorio Municipal | Spain, Riba-roja del Túria | 2010-03-06 | -- | 2010 | 1 | |
| Auditorio Municipal de Albacete | Auditorio Municipal de Albacete | Spain, Albacete, Plaza de la Catedral, s/n | 2005-11-05 | 2005-11-05 | 2005 | 1 | |
| Auditorio Municipal de Benicarló | Auditorio Municipal de Benicarló | Spain, Benicarló, Ferreres Bretó, 10 | 2005-04-22 | 2005-04-22 | 2005 | 1 | |
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