| Annenberg Center | Annenberg Center | United States of America, Philadelphia, 3680 Walnut Street | 1993-04-23 | 1993-05-16 | 1993 | 1 | |
| Annex Theater | Annex Theater | United States of America, New York | 1988-12-08 | -- | 1988 | 1 | |
| Ansbach-Theater Borkholderhaus | Ansbach-Theater Borkholderhaus | Germany, Ansbach, Promenade 29 | 2006-11-23 | -- | 2006 | 1 | |
| ANTA Playhouse | ANTA Playhouse | United States of America, New York, 245 W. 52nd St | 1951-01-28 | 1951-02-24 | 1951 | 1 | |
| Antalya | Antalya | Turkey, Antalya | 2008-12-24 | 2009-- | 2008 | 1 | |
| Anthill Theatre | Anthill Theatre | Australia, South Melbourne, 199 Napier Street | -- | -- | | | |
| Anthony Hopkins Theatre | Anthony Hopkins Theatre | Wales, Mold, Flintshire | 2002-05-02 | 2002-05-25 | 2002 | 1 | |
| Antico Palazzo Comunale | Antico Palazzo Comunale | Italy, Saluzzo, Salita al Castello, 26, 12037 Saluzzo CN, Italy | 2013-06-08 | -- | 2013 | 1 | |
| Antient Concert Rooms | Antient Concert Rooms | Ireland, Dublin, 52 Great Brunswick Street | 1903-04-16 | 1904-04-21 | 1903–1904 | 2 | |
| Antiguas Escuelas de Collera | Antiguas Escuelas de Collera | Spain, Ribadesella | 2025-05-30 | 2025-05-30 | 2025 | 1 | |
| Antitheatro-Marias Xenoudaki | Antitheatro-Marias Xenoudaki (Antitheater-Marias Xenoudakis) | Greece, Atehns | 1990-11-08 | 1991-03-31 | 1990 | 1 | |
| Anton Graff-Haus | Anton Graff-Haus | Switzerland, Winterthur, Zürcherstr. 28 | 2003-11-17 | 2003-11-21 | 2003 | 1 | |
| Antwerpen | Antwerpen | Belgium, Antwerpen | 1894-03-14 | -- | 1894–1957 | 2 | |
| ANU Arts Centre | ANU Arts Centre | Australia, Canberra, Acton | 1997-09-11 | 1997-09-20 | 1997 | 1 | |
| Aoyamaenkei gekijō | Aoyamaenkei gekijō (Aoyama Round Theatre) | Japan, Shibuya, Tokyo, 5-53-1 Jingumae | 1989-12-06 | 1990-06-28 | 1989–1990 | 2 | |
| Apalløkka skole | Apalløkka skole | Norway, Oslo, Tjernveien 12 | 2005-11-01 | -- | 2005–2006 | 2 | |
| Apartman Sahne | Apartman Sahne | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | 2020-01-27 | -- | 2020 | 1 | |
| Aplo Theatro | Aplo Theatro (Simple Theatre) | Greece, Kallithea, 4 Charilaou Trikoupi Street | 1991-12-25 | 2005-04-24 | 1991–2004 | 2 | |
| Apo Michanis Theatro | Apo Michanis Theatro (Apo Michanis Theatre) | Greece, Athens, 13 Akadimou street | 2012-04-22 | 2014-04-13 | 2012–2024 | 3 | |
| Apollo teātris | Apollo teātris | Latvia, Riga, Pērnavas ielā | 1907-02-04 | -- | 1907–1908 | 3 | |
| Apollo Theatre | Apollo Theatre | England, London, Shaftesbury Avenue | 1928-11-04 | -- | 1928 | 1 | |
| Apollo-Theater | Apollo-Theater | Germany, Siegen, Morleystraße 1 | 2008-03-07 | 2012-04-14 | 2008–2014 | 3 | |
| Apollo-Theater | Apollo-Theater | Switzerland, Bern | 1909-02-26 | 1909-03-01 | 1909 | 1 | |
| Apollotheater | Apollotheater | Germany, Bonn | 1906-05-05 | -- | 1906 | 3 | |
| apostrophe - Théâtre des Louvrais | L’apostrophe - Théâtre des Louvrais | France, Pontoise, Place de la Paix | 2008-11-13 | 2018-03-28 | 2008–2018 | 3 | |
| Apotekergaarden | Apotekergaarden | Norway, Grimstad | 2005-07-09 | 2024-07-20 | 2005–2024 | 3 | |
| Appeltheater | Appeltheater | Netherlands, The Hague, Duinstraat 6 | 1979-09-07 | 2003-02-01 | 1979–2002 | 3 | |
| Aquitània Teatre | Aquitània Teatre | Spain, Barcelona, Av. Sarrià 33 | 2018-06-28 | 2018-07-08 | 2018 | 1 | |
| Arad | Arad | Romania, Arad | 1889-12-14 | 1936-09-06 | 1889–1945 | 12 | |
| Aradvárosi szinház | Aradvárosi szinház | Romania, Arad | 1879-01-31 | -- | 1879 | 1 | |
| Aranya Theater | Aranya Theater (Aranya Theatre) | China, Hebei, Qinhuangdao | 2023-06-23 | 2023-06-25 | 2023 | 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 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Kristiansand, Dronningens gate 34 | 1957-08-01 | -- | 1957 | 1 | |
| 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, Ålesund, Lorkenesgt. 2 | 1952-02-28 | 1997-11-15 | 1952–1997 | 9 | |
| Arbeiderforeningens Lokale | Arbeiderforeningens Lokale | Norway, Tromsø | 1900-07-09 | 1968-09-22 | 1900–1968 | 4 | |
| Arbeiderforeningens Teater | Arbeiderforeningens Teater | Norway, Fredrikstad | 1903-09-17 | -- | 1903–1928 | 6 | |
| Arbeidersamfundet | Arbeidersamfundet | Norway, Bodø | 1894-02-01 | -- | 1894–1928 | 3 | |
| Arbeidersamfundets Lokale | Arbeidersamfundets Lokale | Norway, Harstad | 1900-07-07 | -- | 1900–1970 | 2 | |
| Arbeidersamfunnet | Arbeidersamfunnet | Norway, Halden | 1952-02-16 | -- | 1952–1960 | 4 | |
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