| Alta Kultursal | Alta Kultursal | Norway, Alta, Follumsvei 33 | 2006-11-08 | -- | 2006–2022 | 6 | |
| Alta videregående skole | Alta videregående skole | Norway, Alta, Skoleveien 15 | 1997-11-03 | 1997-11-04 | 1997 | 1 | |
| Alte Feuerwache | Alte Feuerwache | Germany, Saarbrücken, Landwehrplatz 1 | 2002-05-04 | 2016-05-20 | 2002–2016 | 4 | |
| Alte Mälzerei | Alte Mälzerei | Germany, Mosbach, Alte Bergsteige 7 | 2006-03-21 | -- | 2006 | 1 | |
| Alte Sparkasse | Alte Sparkasse | Germany, Ibbenbüren, Oststraße 28 | 1998-11-18 | -- | 1998 | 1 | |
| Alte Steige | Alte Steige | Germany, Wertheim, Ferdinand-Hotz-Straße 1 | 2006-03-07 | -- | 2006 | 1 | |
| Altes Neues Rathaus | Altes Neues Rathaus | Germany, Moers, Kastell 9 | 2012-09-13 | -- | 2012 | 1 | |
| Altes Schauspielhaus | Altes Schauspielhaus | Germany, Stuttgart, Kleine Königstraße 9 | 1991-01-26 | 2012-03-17 | 1991–2012 | 4 | |
| Altes Stadttheater Chemnitz | Altes Stadttheater Chemnitz | Germany, Chemnitz | 1918-02-24 | -- | 1918–1920 | 3 | |
| Altes Theater at Jerichower Platz | Altes Theater at Jerichower Platz | Germany, Magdeburg, Jerichower Platz | 1993-10-09 | -- | 1993 | 1 | |
| Altmühlsee Festspiele | Altmühlsee Festspiele | Germany, Muhr am See, Schloßstraße 4 | 2006-05-25 | 2006-05-27 | 2006 | 1 | |
| Altmärkisches Landestheater Stendal | Altmärkisches Landestheater Stendal | Germany, Stendal, Karlstraße 6 | 1930-11-02 | -- | 1930–1936 | 2 | |
| Altofest | AltoFest | Italy, Napoli | 2018-07-06 | 2018-07-07 | 2018 | 1 | |
| Altonaer Stadttheater | Altonaer Stadttheater | Germany, Hamburg, Königstrasse | 1888-04-10 | 1928-06-03 | 1888–1938 | 49 | |
| Altonaer Theater | Altonaer Theater | Germany, Hamburg, Museumstraße 17 | 1961-03-11 | 1961-03-18 | 1961–1991 | 8 | |
| Altusried | Altusried | Germany, Altusried | -- | -- | | | |
| Aluljáró Színház | Aluljáró Színház | Hungary, Budapest | 1996-12-15 | -- | 1996 | 1 | |
| Alumnae Theatre Company | Alumnae Theatre Company | Canada, Toronto, 70 Berkeley St | 2010-11-12 | 2010-11-27 | 2010 | 1 | |
| Alumni Hall | Alumni Hall | United States of America, Bloomington | 1932-12-06 | 1933-11-23 | 1932–1933 | 2 | |
| Alvdal | Alvdal | Norway, Alvdal | 1971-04-23 | -- | 1971 | 1 | |
| Alvdal, Samfunnshuset | Samfunnshuset Alvdal | Norway, Alvdal | 1969-02-23 | -- | 1969–1986 | 8 | |
| Alvesta | Alvesta | Sweden, Alvesta | 1989-11-26 | 1989-11-26 | 1989 | 1 | |
| Am Stram Gram Le Théâtre | Am Stram Gram Le Théâtre | Switzerland, Genève, Route de Frontenex 56 | 2004-09-24 | -- | 2004 | 1 | |
| Amakhosi Theatre | Amakhosi Theatre | Zimbabwe, Bulawayo | 2003-10-26 | 2003-10-28 | 2003 | 1 | |
| Amalfi | Amalfi | Italy, Amalfi | 1999-07-04 | -- | 1999 | 1 | |
| Amatnieku biedrības zālē | Amatnieku biedrības zālē | Latvia, Jelgava | 1903-03-02 | -- | 1903 | 1 | |
| Amatørteatret | Amatørteatret | Denmark, Brabrand | 1991-03-14 | 1991-03-25 | 1991 | 1 | |
| Amatørteatrets hus på Øiset | Amatørteatrets hus på Øiset | Norway, Kongsvinger | 2007-04-13 | 2007-05-07 | 2007 | 1 | |
| Ambassador Theatre | Ambassador Theatre | United States of America, New York, 219 W 49th Street | 2001-09-19 | 2002-01-13 | 2001 | 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 | |
| AMCO-Theater | AMCO-Theater | Netherlands, Voorburg, Burgemeester feithplein 95 | 2005-11-18 | 2005-12-10 | 2005 | 1 | |
| America | American tour | United States of America, unknown | 1903-- | 1907-09-20 | 1903–1907 | 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 | |
| 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 Globe Theatre | American Globe Theatre | United States of America, New York, 145 West 46th Street | 2001-03-17 | 2001-04-08 | 2001 | 1 | |
| American Place Theater | American Place Theater | United States of America, New York, One East 53rd Street | 1984-12-10 | -- | 1984 | 1 | |
| 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 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 Theatre | American Theatre | United States of America, Hampton, 125 E Mellen St | 2010-03-07 | -- | 2010 | 2 | |
| 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 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 | |
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