| Aithousa Xrysostomos | Aithousa Xrysostomos | Greece, Crete, Chania | 1912-11-02 | -- | 1912 | 1 | |
| Aalborg | Aalborg | Denmark, Aalborg | 1873-10-30 | -- | 1873–1874 | 2 | |
| Auditorium Theatre, Baylor University | Auditorium Theatre, Baylor University | United States, Waco, 1 Bear Place | 1928-03-24 | -- | 1928 | 1 | |
| Avesta teater | Avesta teater | Sweden, Frejgatan 1, Avesta, Frejgatan 1 | 2010-09-29 | 2010-12-11 | 2010 | 1 | |
| Alba Iulia | Alba Iulia | Romania, Alba Iulia | 1911-10-03 | -- | 1911–1914 | 3 | |
| Argentina | Argentina | Argentina | 1972-- | -- | 1972–1997 | 4 | |
| American Theatre of Actors | American Theatre of Actors | United States, New York, 314 W 54th St | 2010-01-14 | 2010-01-24 | 2010 | 1 | |
| Ål kulturhus | Ål kulturhus | Norway, Ål, Ål kulturhus | 1997-10-15 | 2021-02-14 | 1997–2022 | 12 | |
| Altes Schauspielhaus | Altes Schauspielhaus | Germany, Stuttgart, Kleine Königstraße 9 | 1991-01-26 | 2012-03-17 | 1991–2012 | 4 | |
| Arnstadt | Arnstadt | Germany | 1967-11-29 | -- | 1967–2010 | 2 | |
| Amtshaus | Amtshaus | Switzerland, Kaiserstuhl, Hauptgasse 34, | 2013-04-13 | 2013-06-30 | 2013 | 1 | |
| Auditorium | Auditorium | United States, Spokane | 1910-08-07 | 1910-08-07 | 1910 | 1 | |
| Adelaide Festival Centre | Adelaide Festival Centre | Australia, Adelaide, King William St | 2012-09-19 | 2012-09-21 | 2012 | 1 | |
| Asker kulturhus | Asker kulturhus | Norway, Asker, Strøket 15A | 2014-09-15 | 2014-11-26 | 2014 | 1 | |
| Ambassador Theatre | Ambassador Theatre | United States, New York, 219 W 49th Street | 2001-09-19 | 2002-01-13 | 2001 | 1 | |
| Abbesses, Théâtre des | Théâtre des Abbesses | France, Paris, 31 Rue des Abbesses | 2015-02-04 | 2015-02-15 | 2015 | 1 | |
| Askersund | Askersund | Sweden, Askersund | 1992-10- | -- | 1992–2002 | 3 | |
| American Repertory Theatre | American Repertory Theatre | United States, Cambridge, Loeb Drama Center, 64 Brattle St | 1982-05- | 1991-03-09 | 1982–1992 | 3 | |
| Alley Theatre | Alley Theatre | United States, Houston, 615 Texas Ave | 1956-02-25 | 2021-05-23 | 1956–2021 | 3 | |
| Årdal | Årdal | Norway, Årdal | 1971-02-27 | -- | 1971 | 1 | |
| Arena Borghesi | Arena Borghesi | Italy, Faenza, Viale Stradone 2 | 1900-07-06 | 1900-07-06 | 1900 | 2 | |
| Arts Theatre | Arts Theatre | England, London, 6-7 Great Newport Street | 1928-03-18 | -- | 1928–1950 | 3 | |
| Abbey Stage | Abbey Stage | Ireland, Dublin, 26/27 Abbey Street Lower | 2010-10-06 | 2011-02-06 | 2010 | 1 | |
| Auditorium Centro Civico Concordia | Auditorium Centro Civico Concordia | Italy, San Vito al Tagliamento, Piazzale Zotti, 1 | 2008-02-24 | -- | 2008 | 1 | |
| Åmot ungdomsskule | Åmot ungdomsskule | Norway, Rena, Åmot | 2004-10-21 | -- | 2004 | 1 | |
| Anton Graff-Haus | Anton Graff-Haus | Switzerland, Winterthur, Zürcherstr. 28 | 2003-11-17 | 2003-11-21 | 2003 | 1 | |
| Alhambra Schouwburg | Alhambra Schouwburg | Belgium, Brussels | 1957-03-29 | -- | 1957 | 1 | |
| Arts Centre, The | The Arts Centre | Singapore, 1 Old Parliament Lane | 2018-08-31 | 2018-09-02 | 2018 | 1 | |
| Augustinum Heidelberg | Augustinum Heidelberg | Germany, Heidelberg, Jaspersstraße 2 | 2007-02-02 | -- | 2007 | 1 | |
| Anklam | Anklam | Germany, Anklam | 1969-03-08 | -- | 1969 | 1 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Trondheim | 1995-01-28 | -- | 1995–1996 | 2 | |
| Arts Centre, The | The Arts Centre | England, Buxton | 2017-07-10 | 2017-07-12 | 2017 | 1 | |
| Abbott's Opera House | Abbott's Opera House | New Zealand, Auckland, Queen Street | 1891-01-14 | 1891-01-16 | 1891 | 1 | |
| Alcalá de Henares | Alcalá de Henares | Spain, Alcalá de Henares | 2010-10-23 | 2011-01-24 | 2010–2011 | 2 | |
| Alhambra Theatre | Alhambra Theatre | England, Bradford, West Yorkshire, Morley St | 1993-05-21 | 1993-05-22 | 1993 | 1 | |
| Antitheatro (Maria Xenoudaki) | Antitheatro (Maria Xenoudaki) | Greece, Atehns | 1990-11-08 | 1991-03-31 | 1990 | 1 | |
| Albany | Albany | United States, Albany | 1910-03-10 | -- | 1910 | 1 | |
| Appeltheater | Appeltheater | Netherlands, The Hague, Duinstraat 6 | 1979-09-07 | 2003-02-01 | 1979–2002 | 3 | |
| Aula Lettenweg | Aula Lettenweg 25 | Switzerland, Allschwil, Lettenweg 25, | -- | -- | | | |
| Amfissa | Amfissa | Greece, Amfissa | 1981-11-13 | -- | 1981 | 1 | |
| Academy of Music | Academy of Music | United States, Wilmington | 1905-09-20 | 1909-04-17 | 1905–1909 | 2 | |
| Avery Hall, Vassar College | Avery Hall, Vassar College | United States, Poughkeepsie | 1941-02-21 | 1951-03-17 | 1941–1951 | 3 | |
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