| Alba | Alba | Romania, Alba | -- | -- | | | |
| Aula Lettenweg | Aula Lettenweg 25 | Switzerland, Allschwil, Lettenweg 25, | -- | -- | | | |
| Asnæs | Asnæs | Denmark, Asnæs | -- | -- | | | |
| Alexandria | Alexandria | Romania, Alexandria | -- | -- | | | |
| Albstadt | Albstadt | Germany, Albstadt | -- | -- | | | |
| Apartman Sahne | Apartman Sahne (Apartman Stage) | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | -- | -- | | | |
| Apartman Sahne | Apartman Sahne (Apartman Stage) | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | -- | -- | | | |
| Ålen | Ålen | Norway, Ålen | -- | -- | | | |
| Arbore | Arbore | Romania, Arbore | -- | -- | | | |
| Aalen | Aalen | Germany, Aalen | -- | -- | | | |
| Agnes Sorma und die Irving Place Theatergesellschaft | Agnes Sorma und die Irving Place Theatergesellschaft | United States, Chicago | -- | -- | | | |
| Altusried | Altusried | Germany, Altusried | -- | -- | | | |
| Apartman Sahne | Apartman Sahne (Apartman Stage) | Turkey, Istanbul, Koşuyolu Mah. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy - İstanbul | -- | -- | | | |
| Åmot | Åmot | Norway, Vinje, Telemark | -- | -- | | | |
| Aizpute | Aizpute | Latvia, Aizpute | -- | -- | | | |
| Arosa | Arosa | Switzerland, Arosa | -- | -- | | | |
| Arts, Salle des | Salle des Arts | France, Villennes-sur-Seine, 57 Place de la Libération | -- | -- | | | |
| Adjud | Adjud | Romania, Adjud | -- | -- | | | |
| Adana DT Sahnesi (Adana DT Stage) | Hacı Ömer Sabancı Kültür Merkezi Sahnesi (Haci Omer Culture Center Theatre Stage) | Turkey, Seyhan/ADANA, Hacı Ömer Sabancı Kültür Merkezi Adana Devlet Tiyatrosu Sahnesi | -- | -- | | | |
| Apartman Sahne | Apartman Sahne (Apartman Stage) | Turkey, Istanbul, Koşuyolu Mh. Arda (Eski Gül) Sk. Şahin Apt. No:2/2-11A Kadıköy | -- | -- | | | |
| Adamstuen Omsorgssenter | Adamstuen Omsorgssenter | Norway, Oslo, Kirkeveien 161 | 2006-10-23 | -- | 2006 | 1 | |
| Academy of Music | Academy of Music | United States, Newport News | 1905-09-06 | 1905-09-06 | 1905 | 1 | |
| Állatkerti Szabadtéri Színpad | Állatkerti Szabadtéri Színpad | Hungary, Budapest, Állatkerti krt. 6-12 | 1947-07-16 | -- | 1947 | 1 | |
| Assembly Rooms | Assembly Rooms | England, York, Blake Street | 1975-03-18 | -- | 1975 | 1 | |
| Aithousa Askos | Aithousa Askos | Greece, Athens | 1982-01-29 | 1982-03-28 | 1982 | 1 | |
| Arts Centre, The | The Arts Centre | Singapore, 1 Old Parliament Lane | 2018-08-31 | 2018-09-02 | 2018 | 1 | |
| Arden Playhouse | Arden Playhouse | United States, Dallas | 1954-10-16 | 1954-10-20 | 1954 | 1 | |
| Ādolfa Alunāna teātris | Ādolfa Alunāna teātris | Latvia, Jelgava | 1897-09-28 | -- | 1897 | 1 | |
| Akasaka Red Theater | Akasaka Red Theater | Japan, Tokyo, 3-10-9 Akasaka, Minato-ku | 2009-07-08 | 2009-07-14 | 2009 | 1 | |
| Augustine Drama Group | Augustine Drama Group | China, Hong Kong, Tai Shek St, Sai Wan Ho, Hong Kong | 1996-- | -- | 1996 | 1 | |
| Aksdal | Aksdal | Norway, Aksdal | 2002-05-05 | -- | 2002 | 1 | |
| Aithousa Technis | Aithousa Technis | Greece, Kozani, Trion Ierarchon 2 | 2011-12-05 | -- | 2011 | 1 | |
| Atlanten ungdomsskole | Atlanten ungdomsskole | Norway, Kristiansund, 6511 Kristiansund | 2007-03-23 | -- | 2007 | 1 | |
| Amtshaus | Amtshaus | Switzerland, Kaiserstuhl, Hauptgasse 34, | 2013-04-13 | 2013-06-30 | 2013 | 1 | |
| Actors Workout Studio, The | The Actors Workout Studio | United States, North Hollywood, 4735 Lankershim Blvd | 2015-11-06 | -- | 2015 | 1 | |
| Aula der Halepaghen Schule | Aula der Halepaghen Schule | Germany, Buxtehude, Konopkastraße 5 | 1997-10-01 | 1997-10-01 | 1997 | 1 | |
| Aithousa Anaplaseos | Aithousa Anaplaseos | Greece, Pyrgos | 1912-09-05 | -- | 1912 | 1 | |
| Aradvárosi szinház | Aradvárosi szinház | Romania, Arad | 1879-01-31 | -- | 1879 | 1 | |
| Albany Opera House | Albany Opera House | United States, Albany | 1905-11-10 | 1905-11-10 | 1905 | 1 | |
| Abbesses, Théâtre des | Théâtre des Abbesses | France, Paris, 31 Rue des Abbesses | 2015-02-04 | 2015-02-15 | 2015 | 1 | |
| Amfissa | Amfissa | Greece, Amfissa | 1981-11-13 | -- | 1981 | 1 | |
| Alte Steige | Alte Steige | Germany, Wertheim, Ferdinand-Hotz-Straße 1 | 2006-03-07 | -- | 2006 | 1 | |
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