| Kleines Theater Bargteheide | Kleines Theater Bargteheide | Germany, Bargteheide, Hamburger Str. 3 | 2007-02-11 | -- | 2007 | 1 | |
| Kulturzentrum Brotfabrik Bonn | Kulturzentrum Brotfabrik Bonn | Germany, Bonn | 2016-05-12 | 2016-10-29 | 2016 | 1 | |
| Korshch Teatr | Korshch Teatr | Russia, Moscow | 1892-01-01 | -- | 1892–1904 | 2 | |
| Kunstencentrum De Vlasbloem | Kunstencentrum De Vlasbloem | Belgium, Nieuwkerken-Waas, Gyselstraat 9 | 2007-03-10 | 2007-03-31 | 2007 | 1 | |
| Kokomo | Kokomo | United States, Kokomo | 1903-10-29 | 1903-10-29 | 1903 | 1 | |
| Kitakyushu | Kitakyushu | Japan, Kitakyushu | 1971-10-05 | -- | 1971 | 1 | |
| Komm. kinoen | Komm. kinoen | Norway, Steinkjer | 1952-03-07 | -- | 1952 | 1 | |
| Kammerspiele im Lustspielhaus | Kammerspiele im Lustspielhaus | Germany, Hamburg | 1929-02-17 | -- | 1929 | 1 | |
| Kath. Pfarreizentrum | Kath. Pfarreizentrum | Switzerland, Windisch, Hauserstrasse 18 | 2011-04-29 | -- | 2011 | 1 | |
| Kammerspiele Berlin | Kammerspiele Berlin | Germany, Berlin (Mitte), Schumannstr. 13a | 1906-11-08 | -- | 1906–2003 | 15 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Kiruna | Kiruna | Sweden, Kiruna | 1991-04-16 | 1991-04-16 | 1991 | 1 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Antwerpen | 1918-01-19 | 1992-03-29 | 1918–1992 | 7 | |
| Krajské oblastní divadlo Olomouc | Krajské oblastní divadlo Olomouc | Czech Republic, Olomouc | -- | -- | | | |
| Kafeneio Dasopoulou | Kafeneio Dasopoulou | Greece, Larisa | 1910-10-02 | 1975-04-18 | 1910–1975 | 2 | |
| Koszalin | Koszalin | Poland, Koszalin | -- | -- | | | |
| Königliches Theater Cassel | Königliches Theater Cassel | Germany, Kassel | 1878-08-24 | -- | 1878–1889 | 2 | |
| Kvernhuset Ungdomskole | Kvernhuset Ungdomskole | Norway, Fredrikstad, Kvernhusveien 1 | 2006-11-09 | 2006-11-13 | 2006 | 1 | |
| Kolvereid | Kolvereid | Norway, Kolvereid | 1995-02-22 | -- | 1995–2005 | 2 | |
| Kampnagel | Kampnagel | Germany, Hamburg, Jarrestraße 20 | 1997-09-19 | 2014-01-12 | 1997–2014 | 2 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Kinoen, Longyearbyen | Kinoen, Longyearbyen | Norway, Svalbard | 1979-11-04 | -- | 1979 | 1 | |
| Kinoen | Kinoen | Norway, Verdal | 1961-02-14 | -- | 1961–1971 | 2 | |
| Kandy | Kandy | Sri Lanka, Kandy | 2006-09-26 | -- | 2006 | 1 | |
| Kungsbacka | Kungsbacka | Sweden, Kungsbacka | 2006-10-22 | -- | 2006 | 1 | |
| Kongliga Stora Teatern | Kongliga Stora Teatern | Sweden, Stockholm, Gustav Adolfs torg 2 | 1876-11-11 | 1886-03-29 | 1876–1888 | 7 | |
| Kinosalen | Kinosalen | Norway, Orkanger | 1989-11-01 | -- | 1989–1993 | 2 | |
| Krasnapolsky | Krasnapolsky | Netherlands, Amsterdam | 1938-03-20 | -- | 1938 | 1 | |
| Königliches Hoftheater | Königliches Hoftheater | Germany, Stuttgart | 1878-09-23 | 1917-04-24 | 1878–1917 | 61 | |
| Kulturhuset Halmstad | Kulturhuset Halmstad | Sweden, Halmstad, Furuvägen 41 | 2010-11-27 | -- | 2010 | 1 | |
| Kumla Folkets Hus | Kumla Folkets Hus | Sweden, Kumla, Skolvägen 12 | 2002-04-27 | -- | 2002 | 1 | |
| Kinolokalet | Kinolokalet | Norway, Askim | 1952-02-18 | -- | 1952–1956 | 2 | |
| Kulturhaus Gotha | Kulturhaus Gotha | Germany, Gotha, Ekhofplatz 3, | 1993-06-11 | 1997-10-12 | 1993–1997 | 2 | |
| Kjevik | Kjevik | Norway, Kjevik | 1971-02-26 | 1971-02-27 | 1971 | 2 | |
| Kleve | Kleve | Germany, Kleve | 2001-10-04 | -- | 2001 | 1 | |
| Komárno | Komárno | Slovak Republic, Komárno | 1926-11-19 | -- | 1926–1938 | 2 | |
| Koninklijke Schouwburg | Koninklijke Schouwburg | Netherlands, The Hague, Korte Voorhout 3 | 1929-05-19 | 2013-02-26 | 1929–2017 | 26 | |
| Kuressaare | Kuressaare | Estonia, Kuressaare | -- | -- | | | |
| Kyrenia | Kyrenia | Cyprus, Kyrenia | 1973-03-06 | -- | 1973–1974 | 2 | |
| Korskirken | Korskirken | Norway, Bergen, Vågsbunnen | 2008-02-13 | 2008-02-14 | 2008 | 1 | |
| Koomesh Theater City Hall | Koomesh Theater City Hall | Iran, Semnan, Qods St, Semnan Province, Semnan | 2018-10-08 | 2020-02-20 | 2018–2020 | 2 | |
| Koninklijke Stadsschouwburg | Koninklijke Stadsschouwburg | Belgium, Kortrijk, Schouwburgplein 14 | 1978-11-10 | -- | 1978 | 1 | |
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