| Kneževo | Kneževo | Bosnia and Herzegovina | -- | -- | | | |
| Kirkebygden Skole | Kirkebygden Skole | Norway, Enebakk, Enebakk | 2005-11-02 | -- | 2005 | 1 | |
| Kresge Theater, Beloit College | Kresge Theater, Beloit College | United States of America, Beloit | 2002-10-03 | 2002-10-12 | 2002 | 1 | |
| Komische Oper Berlin | Komische Oper Berlin | Germany, Berlin, Behrenstraße 55 | 2016-04-07 | 2016-04-08 | 2016 | 1 | |
| Kristinehamn | Kristinehamn | Sweden, Kristinehamn | 1936-10-07 | -- | 1936–1993 | 2 | |
| Kotkan Kaupunginteatteri (Studio) | Kotkan Kaupunginteatteri (Studio) | Finland, Kotka | 1982-03-27 | -- | 1982 | 1 | |
| Karthika Thirunal Theatre | Karthika Thirunal Theatre | India, Thiruvananthapuram, East fort | 2011-06-03 | -- | 2011 | 1 | |
| KCRW | KCRW | United States of America, Santa Monica, Pico Boulevard | 1997-09-07 | -- | 1997 | 1 | |
| Krasnodarski molodežnjij teatr | Krasnodarski molodežnjij teatr (Krasnodar Youth Theater) | Russia, Krasnodar, Krasnodar Krai, Ulitsa Mitrofana Sedina, 28 | 2016-10-06 | -- | 2016 | 1 | |
| Kuopion Kaupunginteatteri | Kuopion Kaupunginteatteri | Finland, Kuopio, Niiralankatu 2 | 1943-11-06 | 2002-01-25 | 1943–2001 | 3 | |
| Kulturni centar Travno | Kulturni centar Travno (Cultural Center Travno) | Croatia, Zagreb, Božidara Magovca 17 | 2021-03-01 | -- | 2021 | 1 | |
| Kameren teatar Plovdiv | Kameren teatar Plovdiv | Bulgaria, Plovdiv | 1924-03-19 | -- | 1924 | 1 | |
| Kath. Pfarrzentrum | Kath. Pfarrzentrum | Germany, Ueberlingen | 1980-03-15 | -- | 1980 | 1 | |
| Kulturhuset ASK | Kulturhuset ASK | Norway, Gjerdrum, Ask | 2001-11-02 | -- | 2001 | 1 | |
| Kammerspiele Frankfurt | Kammerspiele Frankfurt | Germany, Frankfurt am Main, Neue Mainzer Straße 15 | 1983-12-14 | 2013-02-16 | 1983–2010 | 4 | |
| Kenton Theatre | Kenton Theatre | England, Henley-on-Thames, Oxfordshire, New St | 2005-11-21 | 2005-11-26 | 2005 | 1 | |
| Kearney Opera House | Kearney Opera House | United States of America, Kearney | 1905-05-15 | 1905-05-15 | 1905 | 1 | |
| Kongerød ungdomsskole | Kongerød ungdomsskole | Norway, Skien, Skien | 2006-09-27 | -- | 2006 | 1 | |
| Kurt-Hirschfeld-Forum | Kurt-Hirschfeld-Forum | Germany, Lehrte, Burgdorfer Straße 16 | 2001-02-20 | -- | 2001–2010 | 2 | |
| Khaneye Namayesh - Art Faculty/Tahar Molavi | Khaneye Namayesh - Art Faculty/Tahar Molavi | Iran, Tehran | 2006-05-10 | 2017-06-10 | 2006–2017 | 4 | |
| Kiskunhalas | Kiskunhalas | Hungary, Kiskunhalas | 1899-12-12 | -- | 1899–1935 | 3 | |
| Kaaistudio’s | Kaaistudio’s | Belgium, Brussels, Onze-Lieve-Vrouw van Vaakstraat 81 | 1995-04-27 | 1995-05-29 | 1995–1999 | 3 | |
| Kinoteatret | Kinoteatret | Norway, Askim, Kirkegata 5 | 1960-10-21 | -- | 1960–1977 | 4 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Ken Shin Kōriyama bunka sentā | Ken Shin Kōriyama bunka sentā (Koriyama City Cultural Center) | Japan, Fukushima, 1-2 Tsutsumishitamachi, Koriyama, Fukushima 963-8878, Japan | 2010-02-09 | -- | 2010 | 1 | |
| Korgen | Korgen | Norway, Korgen | -- | -- | | | |
| Keck Theater, Occidental College | Keck Theater, Occidental College | United States of America, Los Angeles, Coons Rd | 2005-11-16 | 2005-11-20 | 2005 | 1 | |
| Kreeger Theater | Kreeger Theater | United States of America, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| Kvæfjord videregående skole | Kvæfjord videregående skole | Norway, Borkenes, Kvæfjord | 1997-11-21 | -- | 1997 | 1 | |
| Kunsthalle | Kunsthalle | Germany, Singen, Ekkehardstr. 23 | 1997-10-18 | 1997-10-19 | 1997 | 1 | |
| Kansai Geijutsuza | Kansai Geijutsuza (Kansai Geijutsuza Studio) | Japan, Osaka | 1958-11-19 | -- | 1958 | 1 | |
| KC Vooruit | KC Vooruit | Belgium, Gent, Sint-Pietersnieuwstraat 23 | 1994-03-25 | 2005-02-16 | 1994–2005 | 5 | |
| Kinoen | Kinoen Farsund | Norway, Farsund | 1956-05-03 | -- | 1956–1987 | 7 | |
| Konzert- und Theatersaal, Nordhorn | Konzert- und Theatersaal, Nordhorn | Germany, Nordhorn, Ootmarsumer Weg 14 | 2010-03-12 | -- | 2010–2018 | 2 | |
| Kazan | Kazan | Russia, Republic of Tatarstan | 1908-10-01 | -- | 1908 | 1 | |
| Königliches Hof- und National-Theater | Königliches Hof- und National-Theater | Germany, Munich, Max-Joseph-Platz 2 | 1876-04-10 | -- | 1876–1907 | 10 | |
| Karasjok | Karasjok | Norway, Karasjok | 1970-09-03 | -- | 1970–2009 | 4 | |
| Kramfors | Kramfors | Sweden, Kramfors | 1991-04-08 | 1991-04-08 | 1991 | 1 | |
| Kath. Pfarreizentrum | Kath. Pfarreizentrum | Switzerland, Windisch, Hauserstrasse 18 | 2011-04-29 | -- | 2011 | 1 | |
| Krajské oblastní divadlo Hradec Králové | Krajské oblastní divadlo Hradec Králové | Czech Republic, Hradec Králové | 1960-04-09 | -- | 1960 | 1 | |
| Kungliga Teatern | Kungliga Teatern | Sweden, Stockholm, Gustav Adolfs torg 2 | -- | -- | | | |
| Körmend | Körmend | Hungary, Körmend | 1909-12-22 | 1922-12-29 | 1909–1922 | 3 | |
|
|
