| Amtshaus | Amtshaus | Switzerland, Kaiserstuhl, Hauptgasse 34, | 2013-04-13 | 2013-06-30 | 2013 | 1 | |
| Amstetten | Amstetten | Austria, Amstetten | 2002-12-04 | -- | 2002 | 1 | |
| Amsterdam | Amsterdam | Netherlands, Amsterdam | 1895-12-03 | -- | 1895–1985 | 3 | |
| Amphitheater Amsterdam | Amphitheater Amsterdam | Netherlands, Amsterdam, Marius van Bouwdijk Bastiaansestraat 54 | 1996-- | -- | 1996 | 1 | |
| Amphitheater am Stoa | Amphitheater am Stoa | Germany, Edling, Kesselseestraße | 1999-06-29 | -- | 1999 | 1 | |
| Amphion Theatre | Amphion Theatre | United States of America, New York | 1895-11-18 | 1895-11-18 | 1895 | 1 | |
| Amis, Théâtre des | Théâtre des Amis | Switzerland, Carouge, Place du Temple 8 | 2011-01-11 | 2011-02-06 | 2011 | 1 | |
| Amicitia | Amicitia | Netherlands, Sneek | 1989-02-15 | 1989-04-02 | 1989 | 1 | |
| Amfissa | Amfissa | Greece, Amfissa | 1981-11-13 | -- | 1981 | 1 | |
| Amfiet på Kirkeheia | Amfiet på Kirkeheia | Norway, Grimstad | 1989-08-26 | 1989-08-26 | 1989 | 2 | |
| Amfi-Théatro Spýrou Evangelátou | Amfi-Théatro Spýrou Evangelátou (Spiros Evagelatos Amphitheatre) | Greece, Athens, Adrianou 111 | 2009-12-19 | 2010-03-28 | 2009 | 1 | |
| American University, AUC, The | The American University, AUC | Egypt, Cairo, Tahrir Square | 1995-10- | 2013-10-12 | 1995–2013 | 3 | |
| American University of Beirut (AUB) | American University of Beirut | Lebanon, Beirut, Beirut, Libanon | 2023-11-10 | 2023-11-18 | 2023 | 1 | |
| American Theatre of Actors | American Theatre of Actors | United States of America, New York, 314 W 54th St | 2010-01-14 | 2010-01-24 | 2010 | 1 | |
| American Theatre of Actors | The American Theatre of Actors | United States of America, New York, 314 W. 54th Street, New York City, NY 10019 | 2023-12-18 | 2023-12-22 | 2023 | 1 | |
| American Theatre Company | American Theatre Company | United States of America, Tulsa, 308 S Lansing Ave | 2021-10-08 | 2021-10-16 | 2021 | 1 | |
| American Theatre | American Theatre | United States of America, Hampton, 125 E Mellen St | 2010-03-07 | -- | 2010 | 2 | |
| American Repertory Theatre | American Repertory Theatre | United States of America, Cambridge, Loeb Drama Center, 64 Brattle St | 1982-05- | 1991-03-09 | 1982–1992 | 3 | |
| American Players Theatre | American Players Theatre | United States of America, Spring Green, 5950 Golf Course Road | 2019-08-10 | 2019-10-06 | 2019 | 1 | |
| American Place Theater | American Place Theater | United States of America, New York, One East 53rd Street | 1984-12-10 | -- | 1984 | 1 | |
| American Globe Theatre | American Globe Theatre | United States of America, New York, 145 West 46th Street | 2001-03-17 | 2001-04-08 | 2001 | 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 | |
| American Airlines Theatre | American Airlines Theatre | United States of America, New York, 227 W 42nd St | 2009-01-06 | 2009-03-29 | 2009 | 1 | |
| America | American tour | United States of America, unknown | 1903-- | 1907-09-20 | 1903–1907 | 5 | |
| AMCO-Theater | AMCO-Theater | Netherlands, Voorburg, Burgemeester feithplein 95 | 2005-11-18 | 2005-12-10 | 2005 | 1 | |
| Amberg Theater | Amberg Theater | United States of America, New York, 11 Irving Place at 15th Street | 1889-09-28 | 1891-04-09 | 1889–1892 | 6 | |
| Ambassador Theatre | Ambassador Theatre | United States of America, New York, 219 W 49th Street | 2001-09-19 | 2002-01-13 | 2001 | 1 | |
| Amatørteatrets hus på Øiset | Amatørteatrets hus på Øiset | Norway, Kongsvinger | 2007-04-13 | 2007-05-07 | 2007 | 1 | |
| Amatørteatret | Amatørteatret | Denmark, Brabrand | 1991-03-14 | 1991-03-25 | 1991 | 1 | |
| Amatnieku biedrības zālē | Amatnieku biedrības zālē | Latvia, Jelgava | 1903-03-02 | -- | 1903 | 1 | |
| Amalfi | Amalfi | Italy, Amalfi | 1999-07-04 | -- | 1999 | 1 | |
| Amakhosi Theatre | Amakhosi Theatre | Zimbabwe, Bulawayo | 2003-10-26 | 2003-10-28 | 2003 | 1 | |
| Am Stram Gram Le Théâtre | Am Stram Gram Le Théâtre | Switzerland, Genève, Route de Frontenex 56 | 2004-09-24 | -- | 2004 | 1 | |
| Alvesta | Alvesta | Sweden, Alvesta | 1989-11-26 | 1989-11-26 | 1989 | 1 | |
| Alvdal, Samfunnshuset | Samfunnshuset Alvdal | Norway, Alvdal | 1969-02-23 | -- | 1969–1986 | 8 | |
| Alvdal | Alvdal | Norway, Alvdal | 1971-04-23 | -- | 1971 | 1 | |
| Alumni Hall | Alumni Hall | United States of America, Bloomington | 1932-12-06 | 1933-11-23 | 1932–1933 | 2 | |
| Alumnae Theatre Company | Alumnae Theatre Company | Canada, Toronto, 70 Berkeley St | 2010-11-12 | 2010-11-27 | 2010 | 1 | |
| Aluljáró Színház | Aluljáró Színház | Hungary, Budapest | 1996-12-15 | -- | 1996 | 1 | |
| Altusried | Altusried | Germany, Altusried | -- | -- | | | |
| Altonaer Theater | Altonaer Theater | Germany, Hamburg, Museumstraße 17 | 1961-03-11 | 1961-03-18 | 1961–1991 | 8 | |
| Altonaer Stadttheater | Altonaer Stadttheater | Germany, Hamburg, Königstrasse | 1888-04-10 | 1928-06-03 | 1888–1938 | 49 | |
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