| Kotkan Kaupunginteatteri (Studio) | Kotkan Kaupunginteatteri (Studio) | Finland, Kotka | 1982-03-27 | -- | 1982 | 1 | |
| Kammerspiele Frankfurt | Kammerspiele Frankfurt | Germany, Frankfurt am Main, Neue Mainzer Straße 15 | 1983-12-14 | 2013-02-16 | 1983–2010 | 4 | |
| Kyrenia | Kyrenia | Cyprus, Kyrenia | 1973-03-06 | -- | 1973–1974 | 2 | |
| Keck Theater, Occidental College | Keck Theater, Occidental College | United States, Los Angeles, Coons Rd | 2005-11-16 | 2005-11-20 | 2005 | 1 | |
| Kearney Opera House | Kearney Opera House | United States, Kearney | 1905-05-15 | 1905-05-15 | 1905 | 1 | |
| Kulturni centar Zrenjanina | Kulturni centar Zrenjanina (Zrenjanin Cultural Center) | Serbia, Zrenjanin, Narodne omladine 1 | -- | -- | | | |
| Kammerbühne | Kammerbühne | Germany, Schwerin | -- | -- | | | |
| Kentucky, The | The Kentucky | United States, Lexington | 1903-12-17 | -- | 1903 | 1 | |
| Kvelde skole | Kvelde skole | Norway, Larvik, Larvik | 2007-01-12 | -- | 2007 | 1 | |
| Kurhaus | Kurhaus | Germany, Bad Rappenau, Fritz-Hagner-Promenade 2 | 2006-02-14 | -- | 2006 | 1 | |
| Kresge Theater, Beloit College | Kresge Theater, Beloit College | United States, Beloit | 2002-10-03 | 2002-10-12 | 2002 | 1 | |
| Koninklijke Schouwburg | Koninklijke Schouwburg | Netherlands, The Hague, Korte Voorhout 3 | 1929-05-19 | 2013-02-26 | 1929–2017 | 26 | |
| Kath. Pfarrzentrum | Kath. Pfarrzentrum | Germany, Ueberlingen | 1980-03-15 | -- | 1980 | 1 | |
| Kadoza Theatre | Kadoza Theatre | Japan, Osaka | 1928-07-23 | -- | 1928 | 1 | |
| Kristianstads Teater | Kristianstads Teater | Sweden, Kristianstad | 1885-02-23 | -- | 1885–2010 | 4 | |
| Kurt-Hirschfeld-Forum | Kurt-Hirschfeld-Forum | Germany, Lehrte, Burgdorfer Straße 16 | 2001-02-20 | -- | 2001–2010 | 2 | |
| Kreeger Theater | Kreeger Theater | United States, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| Kiskunhalas | Kiskunhalas | Hungary, Kiskunhalas | 1899-12-12 | -- | 1899–1935 | 3 | |
| Kansai Geijutsuza Studio | 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 | |
| Koninklijke Vlaamse Schouwburg | Koninklijke Vlaamse Schouwburg | Belgium, Bruxelles, Quai aux Pierres de Taille 7 | 1975-05-21 | 1990-06-10 | 1975–1990 | 3 | |
| Konzert- und Theatersaal, Nordhorn | Konzert- und Theatersaal, Nordhorn | Germany, Nordhorn, Ootmarsumer Weg 14 | 2010-03-12 | -- | 2010–2018 | 2 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Künstlerhaus | Künstlerhaus | Austria, Vienna, Karlsplatz 5 | 1985-05-09 | 2010-06-16 | 1985–2010 | 2 | |
| Klubben | Klubben | Norway, Tønsberg | 1968-08-29 | 1969-10-12 | 1968–1969 | 3 | |
| Kristiansand Katedralskole | Kristiansand Katedralskole | Norway, Kristiansand, Jegersbergveien 1 | 2006-03-20 | -- | 2006 | 1 | |
| Kirkenes Videregående skole | Kirkenes Videregående skole | Norway, Kirkenes, Sor-Varanger | 1997-10-22 | -- | 1997–2015 | 2 | |
| King's College Great Hall | King's College Great Hall | New Zealand, Auckland, Golf Avenue, Otahuhu | 2002-08-07 | 2002-08-09 | 2002 | 1 | |
| Kunsthalle | Kunsthalle | Germany, Singen, Ekkehardstr. 23 | 1997-10-18 | 1997-10-19 | 1997 | 1 | |
| Kochi Museum | Kochi Museum | Japan, Kochi, 353-2 Takasu Kochi-City | 2008-03-15 | -- | 2008 | 1 | |
| Kleines Theater Bargteheide | Kleines Theater Bargteheide | Germany, Bargteheide, Hamburger Str. 3 | 2007-02-11 | -- | 2007 | 1 | |
| Kinoen | Kinoen Farsund | Norway, Farsund | 1956-05-03 | -- | 1956–1987 | 7 | |
| Kulturzentrum Brotfabrik Bonn | Kulturzentrum Brotfabrik Bonn | Germany, Bonn | 2016-05-12 | 2016-10-29 | 2016 | 1 | |
| Kultursalen, Arktisk Kultursenter | Kultursalen, Arktisk Kultursenter | Norway, Hammerfest, Strandgata 30 | 2009-12-01 | -- | 2009–2017 | 3 | |
| Kulturzentrum | Kulturzentrum | Germany, Weißenburg, Luitpoldstraße 9 | 2004-03-20 | -- | 2004 | 1 | |
| 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 | |
| Kaaistudio’s | Kaaistudio’s | Belgium, Brussels, Onze-Lieve-Vrouw van Vaakstraat 81 | 1995-04-27 | 1995-05-29 | 1995–1999 | 3 | |
| Komm. kinoen | Komm. kinoen | Norway, Steinkjer | 1952-03-07 | -- | 1952 | 1 | |
| Kautokeino | Kautokeino | Norway, Kautokeino | 1990-10-05 | -- | 1990–2001 | 2 | |
| Kurtheater Bad Elster | Kurtheater Bad Elster | Germany, Bad Elster | 1896-06-16 | -- | 1896 | 1 | |
| Kath. Pfarreizentrum | Kath. Pfarreizentrum | Switzerland, Windisch, Hauserstrasse 18 | 2011-04-29 | -- | 2011 | 1 | |
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