| Kaliningrad | Kaliningrad | Russia, Kaliningrad | -- | -- | | | |
| Koninklijke Schouwburg | Koninklijke Schouwburg | Netherlands, The Hague, Korte Voorhout 3 | 1929-05-19 | 2013-02-26 | 1929–2017 | 26 | |
| Komm. kino | Komm. kino | Norway, Oppdal | 1952-02-24 | -- | 1952–1971 | 5 | |
| Kamuzu College of Nursing | Kamuzu College of Nursing | Malawi, Lilongwe | 2006-05-26 | -- | 2006 | 1 | |
| Kinolokalet | Kinolokalet | Norway, Dombås | 1956-05-31 | -- | 1956–1965 | 3 | |
| Kulturring Grosshansdorf | Kulturring Grosshansdorf | Germany, Grosshansdorf, Ihlendieksweg 23A | 2015-10-10 | 2015-10-10 | 2015 | 1 | |
| Kurtheater | Kurtheater | Germany, Bad Kissingen, Theaterplatz | 1997-10-26 | 1997-10-26 | 1997–2018 | 5 | |
| Kent | Kent | England, Kent | -- | -- | | | |
| Kipos tis Esvekias | Kipos tis Esvekias | Egypt, Cairo | 1939-12-15 | -- | 1939 | 2 | |
| Kolvereid | Kolvereid | Norway, Kolvereid | 1995-02-22 | -- | 1995–2005 | 2 | |
| King’s Lynn Arts Centre | King’s Lynn Arts Centre | England, Kings Lynn, 29 King Street | 1999-06-24 | 2004-11-10 | 1999–2004 | 2 | |
| Kulturhuset Anders | Kulturhuset Anders | Sweden, Höör, Stenskogsvägen 2 | 2001-08-03 | 2006-08-06 | 2001–2006 | 2 | |
| Kongliga Stora Teatern | Kongliga Stora Teatern | Sweden, Stockholm, Gustav Adolfs torg 2 | 1876-11-11 | 1886-03-29 | 1876–1888 | 7 | |
| Kulturhuset Blå Grotte | Kulturhuset Blå Grotte | Norway, Fredrikstad | 2009-09-30 | -- | 2009–2022 | 5 | |
| Koriyama | Koriyama | Japan, Koriyama | -- | -- | | | |
| Kom-Teatterin Kannatus | Kom-Teatterin Kannatus r.y. (KOM-teatteri) | Finland, Kapteeninkatu 26, 00140 Helsinki, Finland | 2023-09-07 | 2023-12-09 | 2023 | 1 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Antwerpen | 1918-01-19 | 1992-03-29 | 1918–1992 | 7 | |
| Kantiforum | Kantiforum | Switzerland, Wohlen, Allmendstrasse 26 | 2009-09-15 | -- | 2009 | 1 | |
| Kibble Palace, Botanic Gardens | Kibble Palace, Botanic Gardens | Ireland, Glasgow | 2024-06-20 | 2024-07-06 | 2024 | 1 | |
| Königliches Theater Cassel | Königliches Theater Cassel | Germany, Kassel | 1878-08-24 | -- | 1878–1889 | 2 | |
| Kruisboog Cultural Center | Kruisboog Cultural Center | Belgium, Tienen, Minderbroedersstraat 15 | 1998-11-19 | -- | 1998–2007 | 2 | |
| Kleines Theater | Kleines Theater | Germany, Berlin, Unter den Linden 44 | 1907-11-02 | -- | 1907 | 1 | |
| KCRW | KCRW | United States of America, Santa Monica, Pico Boulevard | 1997-09-07 | -- | 1997 | 1 | |
| Kresge Theater, Beloit College | Kresge Theater, Beloit College | United States of America, Beloit | 2002-10-03 | 2002-10-12 | 2002 | 1 | |
| Kalmar Teater | Kalmar Teater | Sweden, Kalmar, Larmtorget | 1879-05-19 | 1880-05-28 | 1879–1905 | 8 | |
| Königliches Theater Helgoland (Hoftheater-Ensemble) | Königliches Theater Helgoland (Hoftheater-Ensemble) | Germany, Helgoland | 1878-04-14 | -- | 1878 | 1 | |
| Klicperovo divadlo (Studio Beseda) | Klicperovo divadlo (Studio Beseda) | Czech Republic, Hradec Králové, Dlouhá 99/9 | 1995-04-01 | -- | 1995 | 1 | |
| Korskirken | Korskirken | Norway, Bergen, Vågsbunnen | 2008-02-13 | 2008-02-14 | 2008 | 1 | |
| Kongsberg Musikkteater | Kongsberg Musikkteater | Norway, Kongsberg, Hasbergs vei 36 | 2019-09-17 | 2019-10-11 | 2019 | 1 | |
| Kulturpfad Essen | Kulturpfad Essen | Germany, Essen | 2006-06-23 | -- | 2006 | 1 | |
| Kulturni centar Zrenjanina | Kulturni centar Zrenjanina (Zrenjanin Cultural Center) | Serbia, Zrenjanin, Narodne omladine 1 | -- | -- | | | |
| Kjølnes ungdomsskole | Kjølnes ungdomsskole | Norway, Porsgrunn, Porsgrunn | 2005-11-01 | 2006-11-14 | 2005–2006 | 2 | |
| Kultur & Kongresshaus Aarau | Kultur & Kongresshaus Aarau | Switzerland, Aarau, Schlosspl. 9 | 2008-01-15 | -- | 2008 | 1 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Kjevik | Kjevik | Norway, Kjevik | 1971-02-26 | 1971-02-27 | 1971 | 2 | |
| Kravis Center | Kravis Center | United States of America, West Palm Beach, 701 Okeechobee Blvd | 2010-01-21 | 2010-01-22 | 2010 | 1 | |
| Kulturraum im Bahnhof Wabern | Kulturraum im Bahnhof | Germany, Wabern, Bahnhofstraße 1, 34590 | 2025-11-04 | -- | 2025 | 1 | |
| Kopervik | Kopervik | Norway, Kopervik | 1971-03-05 | -- | 1971–2004 | 4 | |
| Kulturhaus Dornbirn | Kulturhaus Dornbirn | Austria, Dornbirn | 1987-03-15 | -- | 1987–2006 | 2 | |
| Komm. kino | Komm. kino | Norway, Mysen | 1959-01-14 | 1959-01-15 | 1959 | 1 | |
| Komödie | Komödie | Austria, Vienna, Franz-Josefs-Kai 29 | 1947-11-25 | -- | 1947–1950 | 3 | |
| Kuopion Kaupunginteatteri | Kuopion Kaupunginteatteri | Finland, Kuopio, Niiralankatu 2 | 1943-11-06 | 2002-01-25 | 1943–2001 | 3 | |
|
|
