| Konzerthaus Ravensburg | Konzerthaus Ravensburg | Germany, Ravensburg, Wilhelmstraße 3 | 2001-04-04 | -- | 2001 | 1 | |
| Kaufbeuren | Kaufbeuren | Germany, Swabia, Bavaria | 1878-- | -- | 1878 | 1 | |
| Komödie | Komödie | Austria, Vienna, Franz-Josefs-Kai 29 | 1947-11-25 | -- | 1947–1950 | 3 | |
| Kapitelberget | Kapitelberget | Norway, Skien, Christian Magnus Falsens gate | 1983-05-30 | 1983-06-12 | 1983 | 2 | |
| Komm. kino | Komm. kino | Norway, Oppdal | 1952-02-24 | -- | 1952–1971 | 5 | |
| Kjølnes ungdomsskole | Kjølnes ungdomsskole | Norway, Porsgrunn, Porsgrunn | 2005-11-01 | 2006-11-14 | 2005–2006 | 2 | |
| Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland, Kotka, Keskuskatu 15 | 1938-03-12 | 2006-12-14 | 1938–2012 | 9 | |
| Kulturzentrum Saalbau | Kulturzentrum Saalbau | Germany, Homburg, Zweibrücker Straße 22 | 2018-03-15 | -- | 2018 | 1 | |
| Kipos tis Esvekias | Kipos tis Esvekias | Egypt, Cairo | 1939-12-15 | -- | 1939 | 2 | |
| Korshch Teatr | Korshch Teatr | Russia, Moscow | 1892-01-01 | -- | 1892–1904 | 2 | |
| Kungsbacka Teater | Kungsbacka Teater | Sweden, Kungsbacka, Gymnasiegatan 42, Teatergatan | 2010-11-30 | -- | 2010 | 1 | |
| Kurhaus | Kurhaus | Germany, Bad Rappenau, Fritz-Hagner-Promenade 2 | 2006-02-14 | -- | 2006 | 1 | |
| Künstlerhaus | Künstlerhaus | Austria, Vienna, Karlsplatz 5 | 1985-05-09 | 2010-06-16 | 1985–2010 | 2 | |
| Kautokeino | Kautokeino | Norway, Kautokeino | 1990-10-05 | -- | 1990–2001 | 2 | |
| Kakuza | Kakuza (Kadoza Theatre) | Japan, Osaka | 1928-07-23 | -- | 1928 | 1 | |
| Königliches Schauspielhaus | Königliches Schauspielhaus | Germany, Berlin, Gendarmenmarkt | 1889-03-04 | 1914-02-19 | 1889–1940 | 17 | |
| Kommunestyresalen, Rådhuset | Kommunestyresalen, Rådhuset | Norway, Grimstad, Arendalsveien 23 | 2009-10-28 | -- | 2009 | 1 | |
| Kenwood House | Kenwood House | England, London, Hampstead Lane, Hampstead | 2014-03-31 | 2014-04-04 | 2014 | 1 | |
| Kulturhuset Spira | Kulturhuset Spira | Sweden, Jönköping, Kulturgatan 3 | 2020-02-07 | 2020-03-15 | 2020 | 1 | |
| Kyōtofu Tachi bunka geijutsu kaikan | Kyōtofu Tachi bunka geijutsu kaikan (Kyoto Prefectural Center for Arts and Culture) | Japan, Kyoto | 1987-06-18 | 1987-06-20 | 1987 | 1 | |
| Königlich Städtisches Theater Olmütz | Königlich Städtisches Theater Olmütz | Czech Republic, Olomouc | 1879-10-08 | 1879-10-15 | 1879–1918 | 15 | |
| Klostersaal | Klostersaal | Germany, Forchheim, Klosterstraße 10 | 2004-03-23 | -- | 2004–2011 | 2 | |
| Kőszeg | Kőszeg | Hungary, Kőszeg | 1923-04-18 | -- | 1923–1937 | 8 | |
| Knickerbocker Theatre | Knickerbocker Theatre | United States of America, New York, 1396 Broadway (West 38th Street) | 1905-03-07 | 1905-03- | 1905 | 1 | |
| Karlskrona Teater | Karlskrona Teater | Sweden, Karlskrona | 1880-06-04 | 1886-01-08 | 1880–1905 | 6 | |
| Kleines Theater | Kleines Theater | Germany, Berlin, Unter den Linden 44 | 1907-11-02 | -- | 1907 | 1 | |
| Kirkebygden Skole | Kirkebygden Skole | Norway, Enebakk, Enebakk | 2005-11-02 | -- | 2005 | 1 | |
| King's College, Taunton | King's College, Taunton | England, Somerset, South Rd | 2008-03-29 | 2008-04-05 | 2008 | 1 | |
| Kh Kala Soudha | Kh Kala Soudha | India, Hanumantha Nagar Bangalore, Ramanjaneya Temple Compound | 2019-01-18 | 2019-01-18 | 2019 | 1 | |
| Kulturbadet | Kulturbadet | Norway, Sandnessjøen, Torolv Kveldulvsons gate 10 | 2017-09-26 | 2022-10-19 | 2017–2022 | 5 | |
| Komm. kino | Komm. kino | Norway, Mysen | 1959-01-14 | 1959-01-15 | 1959 | 1 | |
| Kongerød ungdomsskole | Kongerød ungdomsskole | Norway, Skien, Skien | 2006-09-27 | -- | 2006 | 1 | |
| Koriyama | Koriyama | Japan, Koriyama | -- | -- | | | |
| King's College Great Hall | King's College Great Hall | New Zealand, Auckland, Golf Avenue, Otahuhu | 2002-08-07 | 2002-08-09 | 2002 | 1 | |
| Kongsberg | Kongsberg | Norway, Kongsberg | 1966-09-07 | 1996-03-15 | 1966–1999 | 7 | |
| Kōchi Kenritsu Bijutsukan | Kōchi Kenritsu Bijutsukan (The Museum of Art, Kochi) | Japan, Kochi, 353-2 Takasu Kochi-City | 2008-03-15 | -- | 2008 | 1 | |
| Kurhausbühne | Kurhausbühne | Germany, Baden Baden | 1919-01-11 | -- | 1919–1925 | 10 | |
| Kutno | Kutno | Poland, Kutno | 1918-04- | -- | 1918 | 1 | |
| Kalocsa | Kalocsa | Hungary, Kalocsa | 1937-03-27 | -- | 1937–1941 | 3 | |
| KKM Gönül Ülkü ve Gazanfer Özcan Sahnesi | KKM Gönül Ülkü ve Gazanfer Özcan Sahnesi | Turkey, Istanbul | 2023-11-23 | 2023-11-30 | 2023 | 1 | |
| Kalmar | Kalmar | Sweden, Kalmar | 1936-10-22 | 2018-05-16 | 1936–2018 | 4 | |
| Kulturbygget | Kulturbygget | Norway, Fagernes | 1981-11-06 | -- | 1981 | 1 | |
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