| Kath. Pfarrzentrum | Kath. Pfarrzentrum | Germany, Ueberlingen | 1980-03-15 | -- | 1980 | 1 | |
| Kultur Raum im Rosenhof | Kultur Raum im Rosenhof | Germany, Kleines Wiesental, Schwand 8 | 2006-06-27 | -- | 2006 | 1 | |
| Královské zemské České divadlo | Královské zemské České divadlo | Czech Republic, Prague | 1878-04-15 | -- | 1878 | 1 | |
| Kulturhuset Milepelen | Kulturhuset Milepelen | Norway, Sagstua, Herredsveien 2 | 1989-09-17 | 2015-09-30 | 1989–2015 | 3 | |
| Kulturhuset Blå Grotte | Kulturhuset Blå Grotte | Norway, Fredrikstad | 2009-09-30 | -- | 2009–2022 | 5 | |
| Kammerspiele Frankfurt | Kammerspiele Frankfurt | Germany, Frankfurt am Main, Neue Mainzer Straße 15 | 1983-12-14 | 2013-02-16 | 1983–2010 | 4 | |
| Kleines Theater Bad Godesberg | Kleines Theater Bad Godesberg | Germany, Bad Godesberg, Bonn, Koblenzer Straße 78 | 1967-10-31 | 2007-04-06 | 1967–2007 | 3 | |
| Kulturni centar Zrenjanina | Kulturni centar Zrenjanina (Zrenjanin Cultural Center) | Serbia, Zrenjanin, Narodne omladine 1 | -- | -- | | | |
| Kulturhaus Gotha | Kulturhaus Gotha | Germany, Gotha, Ekhofplatz 3, | 1993-06-11 | 1997-10-12 | 1993–1997 | 2 | |
| Kirchgemeindehaus | Kirchgemeindehaus | Switzerland, Balgach, Breitestrasse 6 | 2010-01-02 | -- | 2010 | 1 | |
| Kulturbygget | Kulturbygget | Norway, Raufoss | 1981-11-05 | -- | 1981–1989 | 2 | |
| Kaliningrad | Kaliningrad | Russia, Kaliningrad | -- | -- | | | |
| Kunsthaus Seelscheid | Kunsthaus Seelscheid | Germany, Neunkirchen-Seelscheid, Bergstraße 41-43 | 2005-03-03 | 2005-03-20 | 2005 | 1 | |
| Kampnagel | Kampnagel | Germany, Hamburg, Jarrestraße 20 | 1997-09-19 | 2014-01-12 | 1997–2014 | 2 | |
| Kolvereid | Kolvereid | Norway, Kolvereid | 1995-02-22 | -- | 1995–2005 | 2 | |
| Kino Kultura | Kino Kultura (Кино Култура) | Macedonia, Skopje, Luj Paster 3 | 2017-12-24 | -- | 2017 | 1 | |
| Korskirken | Korskirken | Norway, Bergen, Vågsbunnen | 2008-02-13 | 2008-02-14 | 2008 | 1 | |
| Keble O'Reilly | Keble O'Reilly Theatre | England, Oxford, Blackhall Road, Oxford, OX1 3PG | 2023-11-09 | 2023-11-11 | 2023 | 1 | |
| Kongsvinger | Kongsvinger | Norway, Kongsvinger | 1952-03-11 | -- | 1952–2005 | 10 | |
| Kreeger Theater | Kreeger Theater | United States of America, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| Katedralskolan | Katedralskolan | Sweden, Lund, Stora Södergatan 22 | 2006-10-20 | 2006-10-21 | 2006 | 1 | |
| Kaimscher Konzertsaal | Kaimscher Konzertsaal | Germany, Munich, Türkenstraße 5 | 1896-02-27 | -- | 1896 | 1 | |
| Kamuzu College of Nursing | Kamuzu College of Nursing | Malawi, Lilongwe | 2006-05-26 | -- | 2006 | 1 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Antwerpen | 1918-01-19 | 1992-03-29 | 1918–1992 | 7 | |
| Kansai Geijutsuza | Kansai Geijutsuza (Kansai Geijutsuza Studio) | Japan, Osaka | 1958-11-19 | -- | 1958 | 1 | |
| Kilchberg ZH | Kilchberg ZH | Switzerland | 2002-09-13 | -- | 2002 | 1 | |
| Kuressaare | Kuressaare | Estonia, Kuressaare | -- | -- | | | |
| Konferenscenter Safiren (Cosmos) | Konferenscenter Safiren (Cosmos) | Sweden, Katrineholm, Drottninggatan 19 | 2010-10-04 | -- | 2010 | 1 | |
| Kabinet múz | Kabinet múz | Czech Republic, Brno, Sukova 553/2 | 2004-02-14 | 2006-03-07 | 2004 | 1 | |
| Königliches Theater Cassel | Königliches Theater Cassel | Germany, Kassel | 1878-08-24 | -- | 1878–1889 | 2 | |
| Kleines Theater am Markt | Kleines Theater am Markt | Germany, Wahlstedt, Waldstraße 16 | 2005-09-30 | -- | 2005 | 1 | |
| Krefeld | Krefeld | Germany, Krefeld | 2002-02-17 | -- | 2002 | 1 | |
| Komödie | Komödie | Austria, Vienna, Franz-Josefs-Kai 29 | 1947-11-25 | -- | 1947–1950 | 3 | |
| 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 | |
| Kjølnes ungdomsskole | Kjølnes ungdomsskole | Norway, Porsgrunn, Porsgrunn | 2005-11-01 | 2006-11-14 | 2005–2006 | 2 | |
| Kulturhuset Ælvespeilet | Kulturhuset Ælvespeilet | Norway, Porsgrunn, Storgata 164 | 2024-09-10 | 2024-09-10 | 2024 | 1 | |
| Kleines Theater Bargteheide | Kleines Theater Bargteheide | Germany, Bargteheide, Hamburger Str. 3 | 2007-02-11 | -- | 2007 | 1 | |
| Kungsör | Kungsör | Sweden, Kungsör | 1993-10-15 | -- | 1993 | 1 | |
| Kulturzentrum Brotfabrik Bonn | Kulturzentrum Brotfabrik Bonn | Germany, Bonn | 2016-05-12 | 2016-10-29 | 2016 | 1 | |
| Kokomo | Kokomo | United States of America, Kokomo | 1903-10-29 | 1903-10-29 | 1903 | 1 | |
| Kultur im Beaulieu | Kultur im Beaulieu | Switzerland, Murten, Prehlstrasse 13 | 2009-01-17 | 2009-02-07 | 2009 | 1 | |
| KCRW | KCRW | United States of America, Santa Monica, Pico Boulevard | 1997-09-07 | -- | 1997 | 1 | |
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