| Arena Borghesi | Arena Borghesi | Italy, Faenza, Viale Stradone 2 | 1900-07-06 | 1900-07-06 | 1900 | 2 | |
| Aremark skole | Aremark skole | Norway, Aremark, Aremark | 2005-11-22 | -- | 2005 | 1 | |
| Ardhowen Theatre | Ardhowen Theatre | Northern Ireland, Enniskillen, 97 Dublin Road | 2007-03-10 | -- | 2007–2011 | 2 | |
| Arden Theatre, Arcadia Stage | Arden Theatre, Arcadia Stage | United States of America, Philadelphia, North 2nd Street | 1998-01-22 | 2018-03-04 | 1998–2018 | 2 | |
| Arden Playhouse | Arden Playhouse | United States of America, Dallas | 1954-10-16 | 1954-10-20 | 1954 | 1 | |
| ARD (Germany) | ARD (Germany) | Germany | 1961-10-12 | -- | 1961–1980 | 2 | |
| Arcola Theatre Studio 2 | Arcola Theatre Studio 2 | England, London, 24 Ashwin Street | 2011-06-29 | 2011-07-30 | 2011 | 1 | |
| Arcola Theatre Studio 1 | Arcola Theatre Studio 1 | England, London, 24 Ashwin St | 2008-04-01 | 2009-08-22 | 2008–2009 | 2 | |
| Arcola Theatre | Arcola Theatre | England, London, 24 Ashwin St | 2003-02-04 | 2008-05-31 | 2003–2008 | 2 | |
| Arclight Theater, The | The Arclight Theater | United States of America, New York, 152 West 71st Street | 2006-02-23 | 2006-03-12 | 2006 | 1 | |
| Architektenhaus | Architektenhaus | Germany, Berlin, Wilhelmstr. 92 | 1887-01-02 | 1887-01-16 | 1887 | 1 | |
| Archipel de Fouesnant. Le | L'Archipel de Fouesnant | France | 2024-03-21 | 2024-03-21 | 2024 | 1 | |
| Archipel | Archipel | France, Granville | 2012-12-04 | -- | 2012 | 1 | |
| Arbore | Arbore | Romania, Arbore | -- | -- | | | |
| Arbins Gate | Arbins Gate | Norway, Oslo, Arbins Gate | 1991-- | 1992-- | 1991 | 1 | |
| Arbetareföreningens Teater | Arbetareföreningens Teater | Sweden, Norrköping | 1889-12-16 | -- | 1889 | 1 | |
| Arbejdernes Forsamlingsbygning på Enghavevej | Arbejdernes Forsamlingsbygning på Enghavevej | Denmark, Copenhagen, Jagtvej 69 | 1897-01-17 | -- | 1897 | 1 | |
| Arbeiterkammersaal Feldkirch | Arbeiterkammersaal Feldkirch | Austria, Feldkirch, Widnau 2 | 1981-02-18 | -- | 1981–2006 | 3 | |
| Arbeidersamfunnet | Arbeidersamfunnet | Norway, Halden | 1952-02-16 | -- | 1952–1960 | 4 | |
| Arbeidersamfundets Lokale | Arbeidersamfundets Lokale | Norway, Harstad | 1900-07-07 | -- | 1900–1970 | 2 | |
| Arbeidersamfundet | Arbeidersamfundet | Norway, Bodø | 1894-02-01 | -- | 1894–1928 | 3 | |
| Arbeiderforeningens Teater | Arbeiderforeningens Teater | Norway, Fredrikstad | 1903-09-17 | -- | 1903–1928 | 6 | |
| Arbeiderforeningens Lokale | Arbeiderforeningens Lokale | Norway, Tromsø | 1900-07-09 | 1968-09-22 | 1900–1968 | 4 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Ålesund, Lorkenesgt. 2 | 1952-02-28 | 1997-11-15 | 1952–1997 | 9 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Trondheim | 1995-01-28 | -- | 1995–1996 | 2 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Tønsberg, Kammegaten 5 | 1927-09-09 | 1952-02-11 | 1927–1952 | 2 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Kristiansand, Dronningens gate 34 | 1957-08-01 | -- | 1957 | 1 | |
| Arbeideren | Arbeideren | Norway, Kabelvåg, Nordland | 1994-03-19 | -- | 1994 | 1 | |
| Arbeideren | Arbeideren | Norway, Ålesund, Lorkenesgata 2 | 1990-03-06 | 1990-03-07 | 1990–2008 | 3 | |
| Aranya Theater | Aranya Theater (Aranya Theatre) | China, Hebei, Qinhuangdao | 2023-06-23 | 2023-06-25 | 2023 | 1 | |
| Aradvárosi szinház | Aradvárosi szinház | Romania, Arad | 1879-01-31 | -- | 1879 | 1 | |
| Arad | Arad | Romania, Arad | 1889-12-14 | 1936-09-06 | 1889–1945 | 12 | |
| Aquitània Teatre | Aquitània Teatre | Spain, Barcelona, Av. Sarrià 33 | 2018-06-28 | 2018-07-08 | 2018 | 1 | |
| Appeltheater | Appeltheater | Netherlands, The Hague, Duinstraat 6 | 1979-09-07 | 2003-02-01 | 1979–2002 | 3 | |
| Apotekergaarden | Apotekergaarden | Norway, Grimstad | 2013-08-07 | -- | 2013 | 1 | |
| apostrophe - Théâtre des Louvrais | L’apostrophe - Théâtre des Louvrais | France, Pontoise, Place de la Paix | 2008-11-13 | 2018-03-28 | 2008–2018 | 3 | |
| Apollotheater | Apollotheater | Germany, Bonn | 1906-05-05 | -- | 1906 | 3 | |
| Apollo-Theater | Apollo-Theater | Switzerland, Bern | 1909-02-26 | 1909-03-01 | 1909 | 1 | |
| Apollo-Theater | Apollo-Theater | Germany, Siegen, Morleystraße 1 | 2008-03-07 | 2012-04-14 | 2008–2014 | 3 | |
| Apollo Theatre | Apollo Theatre | England, London, Shaftesbury Avenue | 1928-11-04 | -- | 1928 | 1 | |
| Apollo teātris | Apollo teātris | Latvia, Riga, Pērnavas ielā | 1907-02-04 | -- | 1907–1908 | 3 | |
| Apo Michanis Theatro | Apo Michanis Theatro (Apo Michanis Theatre) | Greece, Athens, 13 Akadimou street | 2012-04-22 | 2014-04-13 | 2012–2024 | 3 | |
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