| Alta videregående skole | Alta videregående skole | Norway, Alta, Skoleveien 15 | 1997-11-03 | 1997-11-04 | 1997 | 1 | |
| ARTUS - Théâtre universitaire de Strasbourg | ARTUS - Théâtre universitaire de Strasbourg | France, Strasbourg | 1994-- | -- | 1994 | 1 | |
| Arbeidersamfunnet | Arbeidersamfunnet | Norway, Halden | 1952-02-16 | -- | 1952–1960 | 4 | |
| Ann Arbour | Ann Arbour | United States, Ann Arbour | 1903-11-30 | 1903-11-30 | 1903 | 1 | |
| Athenaeum Hall | Athenaeum Hall | England, Manchester, Princess Street | 1907-11-16 | 1907-11-23 | 1907 | 1 | |
| Ålesund | Ålesund | Norway, Ålesund | 1893-03-09 | 1995-11-02 | 1893–2006 | 15 | |
| Amfitheatro | Amfitheatro | Greece, Athens, Adrianou 111 | 2009-12-19 | 2010-03-28 | 2009 | 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 | |
| Alexandria | Alexandria | Egypt, Alexandria | 2006-07-09 | -- | 2006 | 1 | |
| Aula des Gymnasiums Remigianum | Aula des Gymnasiums Remigianum | Germany, Borken | 1980-01-10 | -- | 1980 | 1 | |
| Akademiska Föreningens Festsal | Akademiska Föreningens Festsal | Sweden, Lund | 1878-10-15 | -- | 1878–1896 | 4 | |
| Arena Theatre | Arena Theatre | United States, Fullerton, 800 N State College Blvd, California State University | 1997-10-11 | 2002-03-24 | 1997–2002 | 2 | |
| Aux Dog Theatre | Aux Dog Theatre | United States, Albuquerque, 3011 Monte Vista Blvd NE | 2013-08-09 | 2013-09-01 | 2013 | 1 | |
| Åmål | Åmål | Sweden, Åmål | 1991-03-12 | 1991-03-12 | 1991 | 1 | |
| Atelier Sentio | Atelier Sentio | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
| Asmaløy skole | Asmaløy skole | Norway, Vesterøy, Vesterøy | 2005-11-08 | -- | 2005 | 1 | |
| Argilla Teatri | Argilla Teatri | Italy, Rome, Via dell'Argilla, 18 | 2005-11-23 | 2005-11-27 | 2005 | 1 | |
| Ancona | Ancona | Italy, Ancona | 1892-09-29 | -- | 1892 | 1 | |
| Ardhowen Theatre | Ardhowen Theatre | Northern Ireland, Enniskillen, 97 Dublin Road | 2007-03-10 | -- | 2007–2011 | 2 | |
| Ahmanson Theatre, The Music Center | Ahmanson Theatre, The Music Center | United States, Los Angeles, 135 N. Grand Ave Los Angeles | 1998-07-22 | 1998-09-06 | 1998 | 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 | |
| Anfiteatro Fenice | Anfiteatro Fenice | Croatia, Rijeka | 1897-05-25 | -- | 1897 | 1 | |
| Alte Steige | Alte Steige | Germany, Wertheim, Ferdinand-Hotz-Straße 1 | 2006-03-07 | -- | 2006 | 1 | |
| Akademietheater | Akademietheater | Austria, Wien, Lisztstraße 1 | 1979-10-17 | -- | 1979–2012 | 2 | |
| Årbakka | Årbakka | Norway, Tysnes | 2005-09-16 | -- | 2005 | 1 | |
| Alexandrinsky Theatre | Alexandrinsky Theatre | Russia, St Petersburg, pl. Ostrovskogo, 6 | 1878-11-18 | 2019-12-14 | 1878–2019 | 9 | |
| Actors Bridge Studio | Actors Bridge Studio | United States, Nashville, 4610 Charlotte Ave | 2018-02-28 | 2018-03-03 | 2018 | 1 | |
| Aktientheater | Aktientheater | Germany, Osnabrück, Große Gildewart 7 | 1878-03-06 | -- | 1878 | 1 | |
| Apollo-Theater | Apollo-Theater | Germany, Siegen, Morleystraße 1 | 2008-03-07 | 2012-04-14 | 2008–2014 | 3 | |
| An Grianan Theatre | An Grianan Theatre | Ireland, Letterkenny, Port Rd | 2011-05-23 | -- | 2011 | 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 | |
| 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 | |
| Almeerse Theaters, de | De Almeerse Theaters | Netherlands, Almere | 2003-03-12 | -- | 2003 | 1 | |
| Artists' Showcase Theatre | Artists' Showcase Theatre | United States, Trenton | 1989-02-17 | 1989-02-26 | 1989 | 1 | |
| Åfoss skole | Åfoss skole | Norway, Skien, Eikåsvegen 10 | 2006-09-18 | -- | 2006 | 1 | |
| Auditorium Mainstage Theatre at Glendale Community College | Auditorium Mainstage Theatre at Glendale Community College | United States, Glendale, 1500 N Verdugo Rd | 2012-11-08 | 2012-11-18 | 2012 | 1 | |
| Auditori Teatre (Calldetenes) | Auditori Teatre (Calldetenes) | Spain, Calldetenes, Plaça Onze de Setembre, S/N | 2008-09-06 | -- | 2008 | 1 | |
| Albery Theatre | Albery Theatre | England, London, St Martin's Lane | 2003-06-12 | 2003-08-16 | 2003 | 1 | |
| Aiud | Aiud | Romania, Aiud | 1890-01-11 | -- | 1890–1911 | 2 | |
| Apotekergaarden | Apotekergaarden | Norway, Grimstad | 2013-08-07 | -- | 2013 | 1 | |
| Arbeiderforeningens Teater | Arbeiderforeningens Teater | Norway, Fredrikstad | 1903-09-17 | -- | 1903–1928 | 5 | |
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