| Kviteseid ungdomsskole | Kviteseid ungdomsskole | Norway, Kviteseid, Skulevegen 9 | 2004-09-14 | -- | 2004 | 1 | |
| Kasernescenen | Kasernescenen | Denmark, Aarhus, Langelandsgade 139 | 2006-05-18 | 2006-05-20 | 2006 | 1 | |
| Konzerthaus Ravensburg | Konzerthaus Ravensburg | Germany, Ravensburg, Wilhelmstraße 3 | 2001-04-04 | -- | 2001 | 1 | |
| Kentucky, The | The Kentucky | United States, Lexington | 1903-12-17 | -- | 1903 | 1 | |
| Kammerbühne | Kammerbühne | Germany, Schwerin | -- | -- | | | |
| Kolpingsaal | Kolpingsaal | Germany, Neunkirchen/Saar | 1980-03-17 | -- | 1980 | 1 | |
| Karpenisi, Spercheiada, Malaisina and other cities | Karpenisi, Spercheiada, Malaisina and other cities | Greece, Karpenisi, Spercheiada, Malaisina and ot | 1981-12-14 | 1981-12-29 | 1981 | 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 | |
| Kortrijk | Kortrijk | Belgium, Kortrijk | 1995-01-24 | -- | 1995 | 1 | |
| Kulturhuset Fagernes | Kulturhuset Fagernes | Norway, Fagernes, Jernbanevegen 22 | 1984-04-06 | 2015-10-15 | 1984 - 2017 | 11 | |
| Kokusai Kaikan | Kokusai Kaikan | Japan, Kobe, 8-1-6, Goko-dori, Chuo-ku | 1971-10-10 | -- | 1971 | 1 | |
| Kardam (Arman) | Кардам (Kardam) | Bulgaria, Kardam | -- | -- | | | |
| Kath. Pfarreizentrum | Kath. Pfarreizentrum | Switzerland, Windisch, Hauserstrasse 18 | 2011-04-29 | -- | 2011 | 1 | |
| Kjøllefjord | Kjøllefjord | Norway, Kjøllefjord | 1970-09-14 | -- | 1970 | 1 | |
| Karmøy | Karmøy | Norway, Karmøy | 2005-05-30 | -- | 2005 | 1 | |
| Katedralskolan | Katedralskolan | Sweden, Lund, Stora Södergatan 22 | 2006-10-20 | 2006-10-21 | 2006 | 1 | |
| Kom Hoorn | Kom Hoorn | Netherlands, Terschelling | 2003-06-13 | 2033-08-14 | 2003 | 1 | |
| Kjøge Teater | Kjøge Teater | Denmark, Kjøge | 1887-05-13 | -- | 1887 - 1907 | 5 | |
| Kurtheater | Kurtheater | Germany, Bad Kissingen, Theaterplatz | 1997-10-26 | 1997-10-26 | 1997 - 2018 | 5 | |
| Kammerspiele im Lustspielhaus | Kammerspiele im Lustspielhaus | Germany, Hamburg | 1929-02-17 | -- | 1929 | 1 | |
| Kreeger Theater | Kreeger Theater | United States, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| K. k. und National-Theater Innsbruck | K. k. und National-Theater Innsbruck | Austria, Innsbruck | 1881-01-07 | 1881-01-12 | 1881 | 1 | |
| Komische Oper Berlin | Komische Oper Berlin | Germany, Berlin, Behrenstraße 55 | 2016-04-07 | 2016-04-08 | 2016 | 1 | |
| Kulturfabriken | Kulturfabriken, Liljeholmen | Sweden, Stockholm, Liljeholmen | 1997-03-01 | -- | 1997 | 1 | |
| Kulturhuset Viften | Kulturhuset Viften | Denmark, Rødovre, Rødovre Parkvej 130 | 2002-03-21 | 2004-11-10 | 2002 - 2004 | 3 | |
| Kongsberg Kino | Kongsberg Kino | Norway, Kongsberg, Nymoens Torg 3 | 1968-08-26 | 1993-02-16 | 1968 - 1993 | 3 | |
| Kviteseid kyrkje | Kviteseid kyrkje | Norway, Kviteseid | 2016-11-08 | -- | 2016 | 1 | |
| Kyoto | Kyoto | Japan, Kyoto | 2009-10-23 | 2009-10-25 | 2009 | 1 | |
| Krøderen | Krøderen (Kroederen) | Norway, Krøderen | -- | -- | | | |
| Kvelde skole | Kvelde skole | Norway, Larvik, Larvik | 2007-01-12 | -- | 2007 | 1 | |
| Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland, Kotka, Keskuskatu 15 | 1938-03-12 | 2006-12-14 | 1938 - 2012 | 9 | |
| Klostersaal | Klostersaal | Germany, Forchheim, Klosterstraße 10 | 2004-03-23 | -- | 2004 - 2011 | 2 | |
| Kafeneio Dasopoulou | Kafeneio Dasopoulou | Greece, Larisa | 1910-10-02 | 1975-04-18 | 1910 - 1975 | 2 | |
| Kunsthaus Seelscheid | Kunsthaus Seelscheid | Germany, Neunkirchen-Seelscheid, Bergstraße 41-43 | 2005-03-03 | 2005-03-20 | 2005 | 1 | |
| Kulturhuset ASK | Kulturhuset ASK | Norway, Gjerdrum, Ask | 2001-11-02 | -- | 2001 | 1 | |
| K. K. Hofburgtheater | K. K. Hofburgtheater | Austria, Vienna, Universitätsring | 1890-10-23 | 1923-11-20 | 1890 - 1918 | 61 | |
| KCET (USA) | KCET (USA) | United States | 1990-01-01 | -- | 1990 | 1 | |
| Kilden | Kilden | Norway, Tønsberg | 1960-03-23 | 1963-03-13 | 1960 - 1965 | 4 | |
| Kristiania Norske Theater | Kristiania Norske Theater | Norway, Oslo, Møllergata 1 | 1858-11-24 | 1859-04-13 | 1858 - 1859 | 3 | |
| Kaufbeuren | Kaufbeuren | Germany, Swabia, Bavaria | 1878-- | -- | 1878 | 1 | |
| Kokkola | Kokkola | Finland, Kokkola | -- | -- | | | |
| Kristiansund, Festiviteten | Festiviteten Kristiansund (Festiviteten) | Norway, Kristiansund, Kong Olav V's gate 1 | 1952-02-25 | 2014-04-11 | 1952 - 2014 | 15 | |
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Venues
