| Khulna University Auditorium | Khulna University Auditorium | Bangladesh, Khulna, Khulna University | 2006-03-04 | -- | 2006 | 1 | |
| Königliche Schauspiele Wiesbaden | Königliche Schauspiele Wiesbaden | Germany, Wiesbaden | 1878-04-28 | 1907-04-29 | 1878–1926 | 6 | |
| Kenwood House | Kenwood House | England, London, Hampstead Lane, Hampstead | 2014-03-31 | 2014-04-04 | 2014 | 1 | |
| Kinobrakka | Kinobrakka | Norway, Jørstadmoen | 1956-05-29 | -- | 1956 | 1 | |
| Karlstads Teater | Karlstads Teater | Sweden, Karlstad | 1880-09-21 | -- | 1880–1905 | 3 | |
| Klubbens teatersal | Klubbens teatersal | Norway, Tønsberg, Nedre Langgate 49 | 1973-11-06 | -- | 1973–1978 | 3 | |
| Kristiansand Katedralskole | Kristiansand Katedralskole | Norway, Kristiansand, Jegersbergveien 1 | 2006-03-20 | -- | 2006 | 1 | |
| Kasernescenen | Kasernescenen | Denmark, Aarhus, Langelandsgade 139 | 2006-05-18 | 2006-05-20 | 2006 | 1 | |
| Königliches Wilhelma-Theater | Königliches Wilhelma-Theater | Germany, Stuttgart | 1901-10-06 | 1901-10-08 | 1901–1907 | 2 | |
| Kalocsa | Kalocsa | Hungary, Kalocsa | 1937-03-27 | -- | 1937–1941 | 3 | |
| Kolkata | Kolkata | India, West Bengal | 1950-11-26 | 2019-07- | 1950–2019 | 3 | |
| Kongliga Operan | Kongliga Operan | Sweden, Stockholm | 1892-03-15 | 1893-04-08 | 1892–1893 | 2 | |
| Ke Center for Contemporary Arts | Ke Center for Contemporary Arts | China, Shanghai, 613 Kaixuan Rd | 2009-10-14 | 2009-10-18 | 2009 | 1 | |
| Kinn | Kinn | Norway, Kinn, Florø | 2005-06-18 | -- | 2005 | 1 | |
| King's College Great Hall | King's College Great Hall | New Zealand, Auckland, Golf Avenue, Otahuhu | 2002-08-07 | 2002-08-09 | 2002 | 1 | |
| Kiskunhalas | Kiskunhalas | Hungary, Kiskunhalas | 1899-12-12 | -- | 1899–1935 | 3 | |
| Katrineholm | Katrineholm | Sweden, Katrineholm | 1936-10-24 | 2019-09-18 | 1936–2019 | 3 | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Gent, Sint-Baafsplein Square | 1956-12-11 | 1996-10-26 | 1956–1996 | 3 | |
| Klubben | Klubben | Norway, Tønsberg | 1968-08-29 | 1969-10-12 | 1968–1969 | 3 | |
| Kostroma | Kostroma | Russia, Kostroma | 1902-- | -- | 1902 | 1 | |
| Kristiansund | Kristiansund | Norway, Kristiansund | 1902-06-16 | 2005-10-12 | 1902–2005 | 9 | |
| Kammerspiele Rendsburg | Kammerspiele Rendsburg | Germany, Rendsburg, Hans-Heinrich-Beisenkötter-Platz 1 | 2011-05-10 | -- | 2011 | 1 | |
| Kulturring Grosshansdorf | Kulturring Grosshansdorf | Germany, Grosshansdorf, Ihlendieksweg 23A | 2015-10-10 | 2015-10-10 | 2015 | 1 | |
| Kirkenes Videregående skole | Kirkenes Videregående skole | Norway, Kirkenes, Sor-Varanger | 1997-10-22 | -- | 1997–2015 | 2 | |
| Koncertpalæets store Sal | Koncertpalæets store Sal | Denmark, Copenhagen | 1894-12-11 | -- | 1894 | 1 | |
| Kristinehamn | Kristinehamn | Sweden, Kristinehamn | 1936-10-07 | -- | 1936–1993 | 2 | |
| Kungälv | Kungälv | Sweden, Kungälv | 1960-10-16 | -- | 1960 | 1 | |
| Kalmar Teater | Kalmar Teater | Sweden, Kalmar, Larmtorget | 1879-05-19 | 1880-05-28 | 1879–1905 | 8 | |
| Kōtō kōkaidō tiara kōtō | Kōtō kōkaidō tiara kōtō (Tiara Koto) | Japan, Tokyo, 2 Chome-28-36 Sumiyoshi, Koto | 2006-10-14 | 2006-10-15 | 2006 | 1 | |
| Karlskoga | Karlskoga | Sweden | 2002-09-05 | -- | 2002 | 1 | |
| K. K. Hof-Burgtheater | K. K. Hof-Burgtheater | Austria, Vienna, Michaelerplatz | 1876-10-26 | 1876-12-29 | 1876 | 1 | |
| Kelsey Theatre | Kelsey Theatre | United States of America, Princeton Junction, 1200 Old Trenton Rd | 2013-10-24 | 2013-10-24 | 2013 | 1 | |
| Kinoen | Kinoen Farsund | Norway, Farsund | 1956-05-03 | -- | 1956–1987 | 7 | |
| Konserthusteatern Karlskrona | Konserthusteatern Karlskrona | Sweden, Karlskrona, Stortorget 16 | 2010-12-09 | -- | 2010 | 1 | |
| Klosterøya, PM7 | Klosterøya, PM7 | Norway, Skien, Union bruk | 2009-06-03 | 2015-03-14 | 2009–2015 | 6 | |
| Kulturhuset Hagelund | Kulturhuset Hagelund | Norway, Trysil, Storvegen 5 | 1978-12-02 | 2015-10-17 | 1978–2015 | 2 | |
| Kongelige Teater, Det | Det Kongelige Teater | Denmark, Copenhagen, August Bournonvilles Passage 8 | 1870-02-16 | 2016-06-19 | 1870–2016 | 101 | |
| Kaaistudio’s | Kaaistudio’s | Belgium, Brussels, Onze-Lieve-Vrouw van Vaakstraat 81 | 1995-04-27 | 1995-05-29 | 1995–1999 | 3 | |
| Königliches Schloßtheater Ansbach | Königliches Schloßtheater Ansbach | Germany, Ansbach | 1894-01-05 | -- | 1894 | 1 | |
| Kulturbygget | Kulturbygget | Norway, Raufoss | 1981-11-05 | -- | 1981–1989 | 2 | |
| Kärnten | Kärnten | Austria | -- | -- | | | |
| Kabinet múz | Kabinet múz | Czech Republic, Brno, Sukova 553/2 | 2004-02-14 | 2006-03-07 | 2004 | 1 | |
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