| Katedralskolan | Katedralskolan | Sweden, Lund, Stora Södergatan 22 | 2006-10-20 | 2006-10-21 | 2006 | 1 | |
| Kilchberg ZH | Kilchberg ZH | Switzerland | 2002-09-13 | -- | 2002 | 1 | |
| Kingsway Theatre | Kingsway Theatre | England, London, Little Queen Street | 1911-04-22 | 1928-03-23 | 1911–1928 | 7 | |
| Khaneye Namayesh - Art Faculty/Tahar Molavi | Khaneye Namayesh - Art Faculty/Tahar Molavi | Iran, Tehran | 2006-05-10 | 2017-06-10 | 2006–2017 | 4 | |
| Kultur im Beaulieu | Kultur im Beaulieu | Switzerland, Murten, Prehlstrasse 13 | 2009-01-17 | 2009-02-07 | 2009 | 1 | |
| Kaye Playhouse Hunter College | The Kaye Playhouse Hunter College | United States of America, New York, 695 Park Ave | 1997-10-24 | 1997-10-25 | 1997 | 1 | |
| Kent | Kent | England, Kent | -- | -- | | | |
| Kinokuniya hōru | Kinokuniya hōru (Kinokuniya Hall) | Japan, Tokyo, Kinokuniya Shinjuku Main Store 4F, 3-17-7 Shinjuku, Shinjuku-ku | 1965-12-07 | 1991-06-23 | 1965–1991 | 2 | |
| Krefeld | Krefeld | Germany, Krefeld | 2002-02-17 | -- | 2002 | 1 | |
| Karaganda Regional Academic Kazakh Drama Theater | Karaganda, in the S. Seifullin Karaganda Regional Academic Kazakh Drama Theater | Kazakhstan, Karaganda | 2023-12-20 | 2023-12-20 | 2023 | 1 | |
| Kongsberg, Kinoen | Kinoen Kongsberg | Norway, Kongsberg, Nymoens Torg 3 | 1969-08-27 | -- | 1969–1984 | 8 | |
| Kansan Näyttämö | Kansan Näyttämö | Finland, Helsinki | 1908-03-19 | -- | 1908–1930 | 6 | |
| Klein RaamTeater | 't Klein RaamTeater | Belgium, Antwerp | 1989-03-16 | 1989-04-29 | 1989 | 1 | |
| Kunstbanken Hedmark Kunstsenter | Kunstbanken Hedmark Kunstsenter | Norway, Hamar, Parkgata 21 | 1998-11-15 | -- | 1998 | 1 | |
| Korjaamo Teatteri | Korjaamo Teatteri | Finland, Helsinki, Töölönkatu 51 a-b | 2016-08-23 | 2016-08-24 | 2016 | 1 | |
| Kleine Bühne Flensburg | Kleine Bühne Flensburg | Germany, Flensburg, Nordergraben 12 | 2011-05-26 | -- | 2011 | 1 | |
| Kangjiantang Theatre | Kangjiantang Theatre | China, Yuzhong, Chongqing, 181 Zhongshan 1st Road | 1948-02-08 | -- | 1948 | 1 | |
| Krajské divadlo Kolín | Krajské divadlo Kolín | Czech Republic, Kolín | 1976-04-30 | -- | 1976 | 1 | |
| Kotka | Kotka | Finland, Kotka | -- | -- | | | |
| Kenendy Theatre | Kennedy Theatre | United States of America, Honolulu, 1770 East-West Rd | 2018-04-13 | 2018-04-22 | 2018 | 1 | |
| Kviteseid ungdomsskole | Kviteseid ungdomsskole | Norway, Kviteseid, Skulevegen 9 | 2004-09-14 | -- | 2004 | 1 | |
| Kammerspiele Bad Godesberg | Kammerspiele Bad Godesberg | Germany, Bonn - Bad Godesberg, Am Michaelshof 9 | 2000-02-26 | 2017-06-10 | 2000–2017 | 2 | |
| Königliches Hof- und National-Theater | Königliches Hof- und National-Theater | Germany, Munich, Max-Joseph-Platz 2 | 1876-04-10 | -- | 1876–1907 | 10 | |
| Keylor Grand | Keylor Grand | United States of America, Walla Walla | 1905-11-27 | 1905-11-27 | 1905 | 1 | |
| Kongreßhaus Villach | Kongreßhaus Villach | Austria, Villach, Europaplatz 1 | 2001-04-02 | -- | 2001 | 1 | |
| Klicperovo divadlo (Studio Beseda) | Klicperovo divadlo (Studio Beseda) | Czech Republic, Hradec Králové, Dlouhá 99/9 | 1995-04-01 | -- | 1995 | 1 | |
| Kellertheater Hamburg | Kellertheater Hamburg | Germany, Hamburg, Johannes-Brahms-Platz 1 | 2018-10-19 | -- | 2018 | 1 | |
| Kanalbåten Henrik Ibsen, Løveids sluser | Kanalbåten Henrik Ibsen, Løveids sluser | Norway, Skien, Skotfoss, Festiviteten | 2007-05-23 | 2007-06-14 | 2007 | 1 | |
| Kulturring Neuhausen | Kulturring Neuhausen | Germany, Neuhausen auf den Fildern, Fuchslöcherstraße 15 | 2007-03-20 | -- | 2007 | 1 | |
| Kammerspiele | Kammerspiele | Germany, Düsseldorf | 1946-06-07 | -- | 1946 | 1 | |
| Kvartersteatern | Kvartersteatern | Sweden, Norrköping, Tunnbindaregatan 37 | 2020-03-06 | -- | 2020 | 1 | |
| Kulturhuset Bølgen | Kulturhuset Bølgen | Norway, Larvik | 2009-10-30 | 2020-11-11 | 2009–2023 | 14 | |
| Kaiserbädersaal (Maritim Hotel) | Kaiserbädersaal (Maritim Hotel) | Germany, Heringsdorf, Strandpromenade/Kulmstraße 33 | 2017-10-19 | -- | 2017 | 1 | |
| Khios | Khios | Greece, Khios | 1904-07-28 | -- | 1904 | 1 | |
| Kinoen | Kinoen | Norway, Lillesand | 1960-11-14 | -- | 1960 | 1 | |
| Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Russia, Kostroma | 1964-10-27 | -- | 1964 | 1 | |
| Karasjok | Karasjok | Norway, Karasjok | 1970-09-03 | -- | 1970–2009 | 4 | |
| Kurtheater Bad Kreuznach | Kurtheater Bad Kreuznach | Germany, Bad Kreuznach | 1895-08-26 | -- | 1895 | 1 | |
| Kinnaird College | Kinnaird College | Pakistan, Lahore, Near Canal bank، Jail Road، G.O.R. - I | 2018-05-10 | 2018-05-13 | 2018 | 1 | |
| Kristiansund videregående skole | Kristiansund videregående skole | Norway, Kristiansund, Sankthanshaugen 2 | 1970-02-11 | -- | 1970–2007 | 2 | |
| Königstädter Theater | Königstädter Theater | Germany, Kassel | 1895-08-24 | 1895-08-25 | 1895 | 1 | |
| Kamara Színház | Kamara Színház | Hungary, Szombathely | 1924-07-10 | -- | 1924 | 1 | |
|
|
