| King's College Great Hall | King's College Great Hall | New Zealand, Auckland, Golf Avenue, Otahuhu | 2002-08-07 | 2002-08-09 | 2002 | 1 | |
| Krasnyj fakel | Krasnyj fakel (Red torch) | Russia, Novosibirsk, Ulitsa Lenina, 19 | 1964-06- | 2021-12-19 | 1964–2021 | 4 | |
| Kulturni centar Travno | Kulturni centar Travno (Cultural Center Travno) | Croatia, Zagreb, Božidara Magovca 17 | 2021-03-01 | -- | 2021 | 1 | |
| Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Russia, Kostroma | 1964-10-27 | -- | 1964 | 1 | |
| Kentucky | Kentucky | United States of America, Kentucky | 1903-12-14 | 1903-12-15 | 1903 | 1 | |
| Kardam (Arman) | Кардам (Kardam) | Bulgaria, Kardam | -- | -- | | | |
| Kunstforeningen GL STRAND | Kunstforeningen GL STRAND | Denmark, Copenhagen, Gammel Strand 48 | 2006-12-01 | 2006-12-02 | 2006 | 1 | |
| Kvinesdal ungdomsskole | Kvinesdal ungdomsskole | Norway, Kvinesdal, Åsevegen | 2006-11-10 | -- | 2006 | 1 | |
| Kristiania Norske Theater | Kristiania Norske Theater | Norway, Oslo, Møllergata 1 | 1858-11-24 | 1859-04-13 | 1858–1859 | 3 | |
| Karcag | Karcag | Hungary, Karcag | -- | -- | | | |
| Kleines Theater Bargteheide | Kleines Theater Bargteheide | Germany, Bargteheide, Hamburger Str. 3 | 2007-02-11 | -- | 2007 | 1 | |
| Kajaanin kaupunginteatteri | Kajaanin kaupunginteatteri | Finland, Kajaani, Kauppakatu 14 | 1976-09-16 | 2010-05-20 | 1976–2009 | 2 | |
| Kommunehuset | Kommunehuset | Norway, Nannestad | 1969-02-14 | -- | 1969–1978 | 5 | |
| Koppang | Koppang | Norway, Koppang | -- | -- | | | |
| Kokomo | Kokomo | United States of America, Kokomo | 1903-10-29 | 1903-10-29 | 1903 | 1 | |
| Kurhaus & Stadttheater Meran | Kurhaus & Stadttheater Meran | Italy, Meran, Freiheitsstr. 33 | 1997-10-15 | 1997-10-15 | 1997 | 1 | |
| Kitchen Theatre | Kitchen Theatre | United States of America, Ithaca, 417 West State Street | 2003-04-17 | 2003-05-10 | 2003 | 1 | |
| Kumla | Kumla | Sweden, Kumla | 1992-10- | -- | 1992 | 1 | |
| Kulturzentrum Saalbau | Kulturzentrum Saalbau | Germany, Homburg, Zweibrücker Straße 22 | 2018-03-15 | -- | 2018 | 1 | |
| Kaiserlich-königliches Theater in Salzburg | Kaiserlich-königliches Theater in Salzburg | Austria, Salzburg, Makartplatz | 1881-07-12 | -- | 1881–1891 | 3 | |
| Kleine Bühne, Landschaftlicher Redoutensaal | Kleine Bühne, Landschaftlicher Redoutensaal | Austria, Linz | 1919-11-19 | 1920-03-13 | 1919–1920 | 4 | |
| Kongelige Teater, Det | Det Kongelige Teater | Denmark, Copenhagen, August Bournonvilles Passage 8 | 1870-02-16 | 2025-02-28 | 1870–2025 | 102 | |
| Krokom | Krokom | Sweden, Krokom | 1989-09-27 | 1989-09-27 | 1989 | 1 | |
| Ken Shin Kōriyama bunka sentā | Ken Shin Kōriyama bunka sentā (Koriyama City Cultural Center) | Japan, Fukushima, 1-2 Tsutsumishitamachi, Koriyama, Fukushima 963-8878, Japan | 2010-02-09 | -- | 2010 | 1 | |
| Kulturhuset | Kulturhuset | Norway, Kvinesdal | 1986-04-15 | -- | 1986–1997 | 3 | |
| Kafeneio Dasopoulou | Kafeneio Dasopoulou | Greece, Larisa | 1910-10-02 | 1975-04-18 | 1910–1975 | 2 | |
| Kwai Tsing Juyuan | Kwai Tsing Juyuan (Kwai Tsing Theatre Auditorium) | Hong Kong, Kwai Chung, 12 Hing Ning Rd, | 2013-06-28 | 2013-06-29 | 2013 | 1 | |
| Kutaisi | Kutaisi | Georgia, Kutaisi | 1898-02-20 | -- | 1898 | 1 | |
| Kvernhuset Ungdomsskole | Kvernhuset Ungdomsskole | Norway, Fredrikstad, Kvernhusveien 1 | 2006-11-09 | 2006-11-13 | 2006 | 1 | |
| Kleist-Theater | Kleist-Theater | Germany, Frankfurt an der Oder, Gerhart-Hauptmann Strasse | 1994-04-23 | -- | 1994 | 1 | |
| Kragerø ungdomsskole | Kragerø ungdomsskole | Norway, Kragerø, Kragerø | 2006-10-30 | 2006-10-31 | 2006 | 1 | |
| Kinoen, Longyearbyen | Kinoen, Longyearbyen | Norway, Svalbard | 1979-11-04 | -- | 1979 | 1 | |
| Kingsway Theatre | Kingsway Theatre | England, London, Little Queen Street | 1911-04-22 | 1928-03-23 | 1911–1928 | 7 | |
| Kulturhuset Blå Grotte | Kulturhuset Blå Grotte | Norway, Fredrikstad | 2009-09-30 | -- | 2009–2022 | 5 | |
| Koninklijke Stadsschouwburg | Koninklijke Stadsschouwburg | Belgium, Kortrijk, Schouwburgplein 14 | 1978-11-10 | -- | 1978 | 1 | |
| Krajské divadlo Kolín | Krajské divadlo Kolín | Czech Republic, Kolín | 1976-04-30 | -- | 1976 | 1 | |
| Kaliningrad | Kaliningrad | Russia, Kaliningrad | -- | -- | | | |
| Kh Kala Soudha | Kh Kala Soudha | India, Hanumantha Nagar Bangalore, Ramanjaneya Temple Compound | 2019-01-18 | 2019-01-18 | 2019 | 1 | |
| Küsnacht ZH | Küsnacht ZH | Switzerland | 2002-09-14 | -- | 2002 | 1 | |
| K. K. Hofburgtheater | K. K. Hofburgtheater | Austria, Vienna, Universitätsring | 1890-10-23 | 1923-11-20 | 1890–1918 | 61 | |
| Kulturni centar Novog Sada | Kulturni centar Novog Sada (Cultural Center of Novi Sad) | Serbia, Novi Sad, Katolička porta 5 | 2011-11-07 | 2012-02-15 | 2011 | 1 | |
| Kurhaus Bad Kreuznach | Kurhaus Bad Kreuznach | Germany, Bad Kreuznach, Kurhausstraße 28 | 2002-05-14 | -- | 2002 | 1 | |
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