| Kulturhaus Dornbirn | Kulturhaus Dornbirn | Austria, Dornbirn | 1987-03-15 | -- | 1987–2006 | 2 | |
| Kjølnes ungdomsskole | Kjølnes ungdomsskole | Norway, Porsgrunn, Porsgrunn | 2005-11-01 | 2006-11-14 | 2005–2006 | 2 | |
| Kyrenia | Kyrenia | Cyprus, Kyrenia | 1973-03-06 | -- | 1973–1974 | 2 | |
| Kulturhaus Gotha | Kulturhaus Gotha | Germany, Gotha, Ekhofplatz 3, | 1993-06-11 | 1997-10-12 | 1993–1997 | 2 | |
| Kinokuniya hōru | Kinokuniya hōru (Kinokuniya Hall) | Japan, Tokyo, Kinokuniya Shinjuku Main Store 4F, 3-17-7 Shinjuku, Shinjuku-ku | 1965-12-07 | 1991-06-23 | 1965–1991 | 2 | |
| Kampnagel | Kampnagel | Germany, Hamburg, Jarrestraße 20 | 1997-09-19 | 2014-01-12 | 1997–2014 | 2 | |
| Königliches Schauspielhaus Potsdam | Königliches Schauspielhaus Potsdam | Germany, Potsdam | 1900-04-10 | 1900-04-19 | 1900 | 2 | |
| Komárno | Komárno | Slovak Republic, Komárno | 1926-11-19 | -- | 1926–1938 | 2 | |
| Komorní scéna Aréna | Komorní scéna Aréna | Czech Republic, Moravská Ostrava, 28. října 2 | 2014-03-22 | 2018-06-21 | 2014–2016 | 2 | |
| Kammerspiele Schleswig | Kammerspiele Schleswig | Germany, Schleswig, Lollfuß 49-51 | 2011-03-19 | 2012-01-07 | 2011–2012 | 2 | |
| Kipos tis Esvekias | Kipos tis Esvekias | Egypt, Cairo | 1939-12-15 | -- | 1939 | 2 | |
| Kulturhuset Anders | Kulturhuset Anders | Sweden, Höör, Stenskogsvägen 2 | 2001-08-03 | 2006-08-06 | 2001–2006 | 2 | |
| Kulturbygget | Kulturbygget | Norway, Raufoss | 1981-11-05 | -- | 1981–1989 | 2 | |
| Kurt-Hirschfeld-Forum | Kurt-Hirschfeld-Forum | Germany, Lehrte, Burgdorfer Straße 16 | 2001-02-20 | -- | 2001–2010 | 2 | |
| King’s Lynn Arts Centre | King’s Lynn Arts Centre | England, Kings Lynn, 29 King Street | 1999-06-24 | 2004-11-10 | 1999–2004 | 2 | |
| Kristiansund videregående skole | Kristiansund videregående skole | Norway, Kristiansund, Sankthanshaugen 2 | 1970-02-11 | -- | 1970–2007 | 2 | |
| Koomesh Theater City Hall | Koomesh Theater City Hall | Iran, Semnan, Qods St, Semnan Province, Semnan | 2018-10-08 | 2020-02-20 | 2018–2020 | 2 | |
| King's Theatre | King's Theatre | Scotland, Glasgow, 297 Bath St | 1965-03-12 | 1965-03-13 | 1965–1972 | 2 | |
| Katona József Színház | Katona József Színház | Hungary, Kecskemét, Katona József tér 5 | 1971-04-02 | 2007-05-05 | 1971–2007 | 2 | |
| Kalita Humphreys Theater | Kalita Humphreys Theater | United States of America, Dallas, 3636 Turtle Creek Blvd | 2001-09-05 | 2018-07-07 | 2001–2018 | 2 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Konzert- und Theatersaal, Nordhorn | Konzert- und Theatersaal, Nordhorn | Germany, Nordhorn, Ootmarsumer Weg 14 | 2010-03-12 | -- | 2010–2018 | 2 | |
| Kulturzentrum Eisenstadt | Kulturzentrum Eisenstadt | Austria, Eisenstadt, Franz Schubert-Platz 6 | 2013-02-26 | -- | 2013 | 2 | |
| Kinolokalet | Kinolokalet | Norway, Askim | 1952-02-18 | -- | 1952–1956 | 2 | |
| Königliches Wilhelma-Theater | Königliches Wilhelma-Theater | Germany, Stuttgart | 1901-10-06 | 1901-10-08 | 1901–1907 | 2 | |
| Kiskunfélegyháza | Kiskunfélegyháza | Hungary, Kiskunfélegyháza | 1922-04-03 | -- | 1922–1924 | 2 | |
| Kristinehamn | Kristinehamn | Sweden, Kristinehamn | 1936-10-07 | -- | 1936–1993 | 2 | |
| Karlshamns Teater | Karlshamns Teater | Sweden, Karlshamn | 1880-06-21 | -- | 1880–1905 | 2 | |
| Komárom | Komárom | Hungary, Komárom | 1925-03-25 | -- | 1925–1935 | 2 | |
| K3N Stadthalle Nürtingen | K3N Stadthalle Nürtingen | Germany, Nürtingen, Heiligkreuzstraße 4 | 2009-02-02 | -- | 2009–2015 | 2 | |
| Kinoen | Kinoen | Norway, Verdal | 1961-02-14 | -- | 1961–1971 | 2 | |
| Kangle ji Wenhua Shiwu Shu | Kangle ji Wenhua Shiwu Shu (Leisure and Cultural Services Department) | Hong Kong, Kwai Tsing District, 1-3 Pai Tau St | 2006-05-18 | 2006-06-04 | 2006 | 2 | |
| Kurtheater Bad Homburg | Kurtheater Bad Homburg | Germany, Bad Homburg vor der Höhe, Louisenstraße 58 | 2017-02-02 | 2023-06-20 | 2017–2023 | 2 | |
| Kajaanin kaupunginteatteri | Kajaanin kaupunginteatteri | Finland, Kajaani, Kauppakatu 14 | 1976-09-16 | 2010-05-20 | 1976–2009 | 2 | |
| Kultursalen | Kultursalen | Norway, Lakselv, Kirkeveien 26 | 2007-03-23 | -- | 2007–2009 | 2 | |
| Kirkenes Videregående skole | Kirkenes Videregående skole | Norway, Kirkenes, Sor-Varanger | 1997-10-22 | -- | 1997–2015 | 2 | |
| Kammerspiele Bad Godesberg | Kammerspiele Bad Godesberg | Germany, Bonn - Bad Godesberg, Am Michaelshof 9 | 2000-02-26 | 2017-06-10 | 2000–2017 | 2 | |
| Krúdy Kamaraszínház | Krúdy Kamaraszínház | Hungary, Nyíregyháza, Bessenyei tér 13 | 1995-12-15 | -- | 1995–2007 | 2 | |
| Kapitelberget | Kapitelberget | Norway, Skien, Christian Magnus Falsens gate | 1983-05-30 | 1983-06-12 | 1983 | 2 | |
| Keble O'Reilly | Keble O'Reilly Theatre | England, Oxford, Blackhall Road, Oxford, OX1 3PG | 2010-11-17 | 2023-11-11 | 2010–2023 | 2 | |
| Kinosalen | Kinosalen | Norway, Orkanger | 1989-11-01 | -- | 1989–1993 | 2 | |
| Klyve ungdomsskole | Klyve ungdomsskole | Norway, Skien | 2006-03-02 | -- | 2006 | 2 | |
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