| Kuopion Kaupunginteatteri | Kuopion Kaupunginteatteri | Finland, Kuopio, Niiralankatu 2 | 1943-11-06 | 2002-01-25 | 1943–2001 | 3 | |
| Kinolokalet | Kinolokalet | Norway, Dombås | 1956-05-31 | -- | 1956–1965 | 3 | |
| Kragerø | Kragerø | Norway, Kragerø | 1889-02-20 | 1889-02-25 | 1889–1958 | 3 | |
| Korsør Theater | Korsør Theater | Denmark, Korsør | 1902-11-11 | -- | 1902–1907 | 3 | |
| Kiskunhalas | Kiskunhalas | Hungary, Kiskunhalas | 1899-12-12 | -- | 1899–1935 | 3 | |
| Katrineholm | Katrineholm | Sweden, Katrineholm | 1936-10-24 | 2019-09-18 | 1936–2019 | 3 | |
| Karpedammen Scene | Karpedammen Scene | Norway, Oslo, Akershus festning | 2017-06-08 | 2019-06-16 | 2017–2019 | 3 | |
| Kaaistudio’s | Kaaistudio’s | Belgium, Brussels, Onze-Lieve-Vrouw van Vaakstraat 81 | 1995-04-27 | 1995-05-29 | 1995–1999 | 3 | |
| Kristiania Norske Theater | Kristiania Norske Theater | Norway, Oslo, Møllergata 1 | 1858-11-24 | 1859-04-13 | 1858–1859 | 3 | |
| Körmend | Körmend | Hungary, Körmend | 1909-12-22 | 1922-12-29 | 1909–1922 | 3 | |
| Kinokuniya sazanshiatā | Kinokuniya sazanshiatā (Kinokuniya Southern Theatre) | Japan, Tokyo, 7F Takashimaya Times Square, 5-24-2, Sendagaya, Shibuya-ku | 1997-09-18 | 2002-02-11 | 1997–2002 | 3 | |
| Kvinesdal | Kvinesdal | Norway, Kvinesdal | 1991-09-26 | -- | 1991–2005 | 3 | |
| Komödie, Die | Die Komödie | Germany, Berlin, Kurfürstendamm 209 | 1933-02-23 | -- | 1933–1938 | 3 | |
| Kolvereid Samfunnshus | Kolvereid Samfunnshus | Norway, Kolvereid | 1961-02-11 | -- | 1961–1989 | 3 | |
| 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 | |
| Kaiserlich-königliches Theater in Salzburg | Kaiserlich-königliches Theater in Salzburg | Austria, Salzburg, Makartplatz | 1881-07-12 | -- | 1881–1891 | 3 | |
| Kulturhuset | Kulturhuset | Norway, Kvinesdal | 1986-04-15 | -- | 1986–1997 | 3 | |
| Klubben | Klubben | Norway, Tønsberg | 1968-08-29 | 1969-10-12 | 1968–1969 | 3 | |
| Kinder Space | Kinder Space | Japan, Tokyo, 5-13-39 Shirokanedai, Minato Ku | 2009-02-25 | 2010-02-21 | 2009–2010 | 3 | |
| Kulturhuset | Kulturhuset | Norway, Molde, Kirkekråpet | 1986-04-07 | 2007-04-13 | 1986–2007 | 3 | |
| Klubbens teatersal | Klubbens teatersal | Norway, Tønsberg, Nedre Langgate 49 | 1973-11-06 | -- | 1973–1978 | 3 | |
| Kalocsa | Kalocsa | Hungary, Kalocsa | 1937-03-27 | -- | 1937–1941 | 3 | |
| Kolkata | Kolkata | India, West Bengal | 1950-11-26 | 2019-07- | 1950–2019 | 3 | |
| Kleines Theater | Kleines Theater | Germany, Landshut, Bauhofstraße 1 | 2006-02-10 | 2011-04-30 | 2006–2011 | 3 | |
| Kelly's Theatre | Kelly's Theatre | England, Liverpool, Paradise Street | 1910-09-26 | -- | 1910 | 3 | |
| Kaisersaal, Gr. Freiheit | Kaisersaal, Gr. Freiheit | Germany, Hamburg-Altona | 1894-05-27 | -- | 1894–1895 | 3 | |
| Kulturhuset Milepelen | Kulturhuset Milepelen | Norway, Sagstua, Herredsveien 2 | 1989-09-17 | 2015-09-30 | 1989–2015 | 3 | |
| Kammerspiele Theater Lübeck | Kammerspiele Theater Lübeck | Germany, Lübeck, Beckergrube 16 | 1999-09-04 | 2010-06-12 | 1999–2010 | 3 | |
| Kaaitheater | Kaaitheater | Belgium, Brussel, Square Sainctelette 20 | 2013-06-07 | 2014-04-25 | 2013–2014 | 3 | |
| Kleines Theater Bad Godesberg | Kleines Theater Bad Godesberg | Germany, Bad Godesberg, Bonn, Koblenzer Straße 78 | 1967-10-31 | 2007-04-06 | 1967–2007 | 3 | |
| Kirby Memorial Theater | Kirby Memorial Theater | United States of America, Amerherst, 220 South Pleasant Street | 1940-01-11 | 2017-11-11 | 1940–2017 | 3 | |
| Kokkolan Kaupunginteatteri | Kokkolan Kaupunginteatteri | Finland, Kokkola, Torikatu | 1921-08-23 | 1952-- | 1921–1983 | 3 | |
| Komödie | Komödie | Austria, Vienna, Franz-Josefs-Kai 29 | 1947-11-25 | -- | 1947–1950 | 3 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Gent, Sint-Baafsplein Square | 1956-12-11 | 1996-10-26 | 1956–1996 | 3 | |
| Königliche Schauspiele Hannover | Königliche Schauspiele Hannover | Germany, Hannover | 1878-09-14 | -- | 1878–1916 | 3 | |
| Kulturhaus Gotha | Kulturhaus Gotha | Germany, Gotha, Ekhofplatz 3, | 1993-06-11 | 1997-10-12 | 1993–1997 | 2 | |
| Kjevik | Kjevik | Norway, Kjevik | 1971-02-26 | 1971-02-27 | 1971 | 2 | |
| Kampnagel | Kampnagel | Germany, Hamburg, Jarrestraße 20 | 1997-09-19 | 2014-01-12 | 1997–2014 | 2 | |
| Kyrenia | Kyrenia | Cyprus, Kyrenia | 1973-03-06 | -- | 1973–1974 | 2 | |
| Kulturhuset Anders | Kulturhuset Anders | Sweden, Höör, Stenskogsvägen 2 | 2001-08-03 | 2006-08-06 | 2001–2006 | 2 | |
| King's Theatre | King's Theatre | Scotland, Glasgow, 297 Bath St | 1965-03-12 | 1965-03-13 | 1965–1972 | 2 | |
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