| Kammerspiele Frankfurt | Kammerspiele Frankfurt | Germany, Frankfurt am Main, Neue Mainzer Straße 15 | 1983-12-14 | 2013-02-16 | 1983–2010 | 4 | |
| Krasnyj fakel | Krasnyj fakel (Red torch) | Russia, Novosibirsk, Ulitsa Lenina, 19 | -- | 2021-12-19 | 1964–2021 | 4 | |
| Kulturzentrum Frankental | Kulturzentrum Frankental | Germany, Stolberg, Frankentalstraße 3 | 2002-12-04 | 2011-04-14 | 2002–2011 | 4 | |
| Kalmar | Kalmar | Sweden, Kalmar | 1936-10-22 | 2018-05-16 | 1936–2018 | 4 | |
| Kultursalen, Arktisk Kultursenter | Kultursalen, Arktisk Kultursenter | Norway, Hammerfest, Strandgata 30 | 2009-12-01 | -- | 2009–2022 | 4 | |
| Kinoteatret | Kinoteatret | Norway, Askim, Kirkegata 5 | 1960-10-21 | -- | 1960–1977 | 4 | |
| Kopervik | Kopervik | Norway, Kopervik | 1971-03-05 | -- | 1971–2004 | 4 | |
| Kleine Bühne, Landschaftlicher Redoutensaal | Kleine Bühne, Landschaftlicher Redoutensaal | Austria, Linz | 1919-11-19 | 1920-03-13 | 1919–1920 | 4 | |
| Kimen kulturhus | Kimen kulturhus | Norway, Stjørdal, Sandgata 15 | 2015-10-11 | 2020-10-27 | 2015–2022 | 4 | |
| Kyōto kaikan | Kyōto kaikan (Kyoto Kaikan Hall) | Japan, Kyoto, 13 Sakyo-ku | 1959-12-04 | 1959-12-05 | 1959–1971 | 4 | |
| Kielce | Kielce | Poland, Kielce | 1908-09- | -- | 1908–1918 | 4 | |
| Kolozsvári Nemzeti Színház | Kolozsvári Nemzeti Színház | Romania, Cluj-Napoca | 1925-10-22 | 1925-12-19 | 1925–1930 | 4 | |
| Kjøge Teater | Kjøge Teater | Denmark, Kjøge | 1887-05-13 | -- | 1887–1907 | 5 | |
| Kieler Stadttheater | Kieler Stadttheater | Germany, Kiel | 1878-10-14 | 1880-03-08 | 1878–1934 | 5 | |
| Kungliga Teatern | Kungliga Teatern | Sweden, Stockholm, Gustav Adolfs torg 2 | 1902-10-31 | 1966-10-21 | 1902–1966 | 5 | |
| Kulturhuset Blå Grotte | Kulturhuset Blå Grotte | Norway, Fredrikstad | 2009-09-30 | -- | 2009–2022 | 5 | |
| Kommunehuset | Kommunehuset | Norway, Nannestad | 1969-02-14 | -- | 1969–1978 | 5 | |
| King's Theatre | King's Theatre | Scotland, Edinburgh, 2 Leven Street | 1986-09- | 2021-10-23 | 1986–2021 | 5 | |
| KC Vooruit | KC Vooruit | Belgium, Gent, Sint-Pietersnieuwstraat 23 | 1994-03-25 | 2005-02-16 | 1994–2005 | 5 | |
| Kurtheater | Kurtheater | Germany, Bad Kissingen, Theaterplatz | 1997-10-26 | 1997-10-26 | 1997–2018 | 5 | |
| Kristianstad | Kristianstad | Sweden, Kristianstad | 1879-03-05 | -- | 1879–1992 | 5 | |
| Kulturkirken Jakob | Kulturkirken Jakob | Norway, Oslo, Hausmanns gate 14 | 2002-08-30 | 2016-11-03 | 2002–2016 | 5 | |
| Kvinesdal Kulturhus | Kvinesdal Kulturhus | Norway, Kvinesdal | 1997-11-21 | 2015-09-20 | 1997–2015 | 5 | |
| Komm. kino | Komm. kino | Norway, Oppdal | 1952-02-24 | -- | 1952–1971 | 5 | |
| Kulturbadet | Kulturbadet | Norway, Sandnessjøen, Torolv Kveldulvsons gate 10 | 2017-09-26 | 2022-10-19 | 2017–2022 | 5 | |
| Kristianstads Teater | Kristianstads Teater | Sweden, Kristianstad | 1884-03-24 | 1884-03-25 | 1884–2010 | 6 | |
| Kherson | Kherson | Ukraine, Kherson | 1902-11-29 | 1904-01-27 | 1902–1904 | 6 | |
| Klosterøya, PM7 | Klosterøya, PM7 | Norway, Skien, Union bruk | 2009-06-03 | 2015-03-14 | 2009–2015 | 6 | |
| Kansan Näyttämö | Kansan Näyttämö | Finland, Helsinki | 1908-03-19 | -- | 1908–1930 | 6 | |
| Krannert Center for the Performing Arts | Krannert Center for the Performing Arts | United States of America, Urbana, 500 South Goodwin Avenue | 1972-01-12 | 2022-02-19 | 1972–2022 | 6 | |
| Kinoen | Kinoen | Norway, Rjukan | 1952-02-07 | 1963-01-25 | 1952–1971 | 6 | |
| Kunsthøgskolen | Kunsthøgskolen | Norway, Oslo, Fossveien 24 | 2003-10-22 | 2012-09-29 | 2003–2012 | 6 | |
| Königliche Schauspiele Wiesbaden | Königliche Schauspiele Wiesbaden | Germany, Wiesbaden | 1878-04-28 | 1907-04-29 | 1878–1926 | 6 | |
| Karlskrona Teater | Karlskrona Teater | Sweden, Karlskrona | 1880-06-04 | 1886-01-08 | 1880–1905 | 6 | |
| Kongliga Stora Teatern | Kongliga Stora Teatern | Sweden, Stockholm, Gustav Adolfs torg 2 | 1876-11-11 | 1886-03-29 | 1876–1888 | 7 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Antwerpen | 1918-01-19 | 1992-03-29 | 1918–1992 | 7 | |
| Kongsberg | Kongsberg | Norway, Kongsberg | 1966-09-07 | 1996-03-15 | 1966–1999 | 7 | |
| Kingsway Theatre | Kingsway Theatre | England, London, Little Queen Street | 1911-04-22 | 1928-03-23 | 1911–1928 | 7 | |
| Kirkenes | Kirkenes | Norway, Kirkenes | 1970-02-18 | -- | 1970–2009 | 7 | |
| Kinoen | Kinoen Farsund | Norway, Farsund | 1956-05-03 | -- | 1956–1987 | 7 | |
| Kőszeg | Kőszeg | Hungary, Kőszeg | 1923-04-18 | -- | 1923–1937 | 8 | |
| Kongsberg, Kinoen | Kinoen Kongsberg | Norway, Kongsberg, Nymoens Torg 3 | 1969-08-27 | -- | 1969–1984 | 8 | |
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