| Kant-Gymnasium | Kant-Gymnasium | Germany, Pirmasens | 1984-12-07 | -- | 1984 | 1 | |
| Kochi Museum | Kochi Museum | Japan, Kochi, 353-2 Takasu Kochi-City | 2008-03-15 | -- | 2008 | 1 | |
| Klosterøya, PM7 | Klosterøya, PM7 | Norway, Skien, Union bruk | 2009-06-03 | 2015-03-14 | 2009–2015 | 6 | |
| Klicperovo divadlo (Studio Beseda) | Klicperovo divadlo (Studio Beseda) | Czech Republic, Hradec Králové, Dlouhá 99/9 | 1995-04-01 | -- | 1995 | 1 | |
| Kath. Hochschulgemeinde AKI | Kath. Hochschulgemeinde AKI | Switzerland, Zürich, Hirschengraben 86 | 2006-05-26 | -- | 2006 | 1 | |
| Komárno | Komárno | Slovak Republic, Komárno | 1926-11-19 | -- | 1926–1938 | 2 | |
| Kvinesdal | Kvinesdal | Norway, Kvinesdal | 1991-09-26 | -- | 1991–2005 | 3 | |
| Königliches Schloßtheater Ansbach | Königliches Schloßtheater Ansbach | Germany, Ansbach | 1894-01-05 | -- | 1894 | 1 | |
| Ke Center for Contemporary Arts | Ke Center for Contemporary Arts | China, Shanghai, 613 Kaixuan Rd | 2009-10-14 | 2009-10-18 | 2009 | 1 | |
| Kongshaug musikkgymnas | Kongshaug musikkgymnas | Norway, Lepsøy, Os | 2006-03-25 | 2006-03-28 | 2006 | 1 | |
| Kulturzentrum Mattersburg | Kulturzentrum Mattersburg | Austria, Mattersburg, Wulkalände 2 | 2013-04-11 | -- | 2013 | 1 | |
| Kinsarvik | Kinsarvik | Norway, Kinsarvik | 1966-09-01 | -- | 1966 | 1 | |
| Kirby Memorial Theater | Kirby Memorial Theater | United States, Amerherst, 220 South Pleasant Street | 1940-01-11 | 2017-11-11 | 1940–2017 | 3 | |
| King's College Great Hall | King's College Great Hall | New Zealand, Auckland, Golf Avenue, Otahuhu | 2002-08-07 | 2002-08-09 | 2002 | 1 | |
| Königliches Schauspielhaus | Königliches Schauspielhaus | Germany, Dresden, Ostra-Allee 27 | 1902-09-25 | 1921-04-19 | 1902–1918 | 25 | |
| Kitchen Theatre | Kitchen Theatre | United States, Ithaca, 417 West State Street | 2003-04-17 | 2003-05-10 | 2003 | 1 | |
| Kiertue Mörk - Ilmari - Orjatsalo | Kiertue Mörk - Ilmari - Orjatsalo | Finland | 1912-- | -- | 1912 | 1 | |
| Kokusai Kaikan | Kokusai Kaikan | Japan, Kobe, 8-1-6, Goko-dori, Chuo-ku | 1971-10-10 | -- | 1971 | 1 | |
| Karlstads Teater | Karlstads Teater | Sweden, Karlstad | 1880-09-21 | -- | 1880–1886 | 2 | |
| Kulturhaus Dornbirn | Kulturhaus Dornbirn | Austria, Dornbirn | 1987-03-15 | -- | 1987–2006 | 2 | |
| Kulturhuset Fagernes | Kulturhuset Fagernes | Norway, Fagernes, Jernbanevegen 22 | 1984-04-06 | 2021-02-12 | 1984–2021 | 12 | |
| Kilden Teater- og Konserthus | Kilden Teater- og Konserthus | Norway, Kristiansand, Sjølystveien 2 | 2012-09-27 | 2019-09-02 | 2012–2019 | 9 | |
| Kyrkholmen | Kyrkholmen, Skellefteå | Sweden, Kyrkholmen, Skellefteå, Kyrkholmen | 1997-06-18 | 1997-07-13 | 1997 | 1 | |
| Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland, Kotka, Keskuskatu 15 | 1938-03-12 | 2006-12-14 | 1938–2012 | 9 | |
| Kelemen László Kamaraszínház | Kelemen László Kamaraszínház | Hungary, Kecskemét, Katona József tér 8. | 1996-02-02 | -- | 1996 | 1 | |
| Kvaløya videregående skole | Kvaløya videregående skole | Norway, Kvaløysletta, Nedre Storvollen 75 | 1997-11-12 | -- | 1997 | 1 | |
| Kärnten | Kärnten | Austria | -- | -- | | | |
| Konserthusteatern Karlskrona | Konserthusteatern Karlskrona | Sweden, Karlskrona, Stortorget 16 | 2010-12-09 | -- | 2010 | 1 | |
| Kellertheater des GZ Buchegg | Kellertheater des GZ Buchegg | Switzerland, Zürich, Bucheggstr. 93 | 2013-05-20 | 2013-05-17 | 2013 | 1 | |
| Kinimatotheatro Galaxias | Kinimatotheatro Galaxias | Greece, Larisa | 1985-02-22 | 1985-02-24 | 1985 | 1 | |
| Kinolokalet | Kinolokalet | Norway, Åsgårdstrand | 1956-05-21 | -- | 1956 | 1 | |
| Kleine Bühne, Landschaftlicher Redoutensaal | Kleine Bühne, Landschaftlicher Redoutensaal | Austria, Linz | 1919-11-19 | 1920-03-13 | 1919–1920 | 4 | |
| Kulturring Grosshansdorf | Kulturring Grosshansdorf | Germany, Grosshansdorf, Ihlendieksweg 23A | 2015-10-10 | 2015-10-10 | 2015 | 1 | |
| Kurhaus Bad Kreuznach | Kurhaus Bad Kreuznach | Germany, Bad Kreuznach, Kurhausstraße 28 | 2002-05-14 | -- | 2002 | 1 | |
| Kongliga Operan | Kongliga Operan | Sweden, Stockholm | 1892-03-15 | 1893-04-08 | 1892–1893 | 2 | |
| Kiruna | Kiruna | Sweden, Kiruna | 1991-04-16 | 1991-04-16 | 1991 | 1 | |
| Kieler Woche | Kieler Woche | Germany, Kiel | 1967-06- | -- | 1967 | 1 | |
| Kings Lynn Arts Centre | Kings Lynn Arts Centre | England, King's Lynn, Norfolk, 29 King Street | 2004-11-10 | 2004-11-10 | 2004 | 1 | |
| Kurdish Fine Arts Society (کۆمەڵەی هونەرەجوانەکانی کورد) | کۆمەڵەی هونەرەجوانەکانی کورد Kurdish Fine Arts Society (Komelay Hunere Jwanekani Kurd) | Iraq, Sulaymaniyah, Madam Mitterrand | 2013-06-04 | 2014-03-29 | 2013 | 1 | |
| Kjøllefjord | Kjøllefjord kino (Kjoellefjord) | Norway, Kjøllefjord, Strandvegen 152 /154, 9790 Kjøllefjord | 1970-02-15 | -- | 1970 | 1 | |
| Koszalin | Koszalin | Poland, Koszalin | -- | -- | | | |
| Kärntner Grenzlandtheater Klagenfurt | Kärntner Grenzlandtheater Klagenfurt | Austria, Klagenfurt | 1942-01-09 | -- | 1942 | 1 | |
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