| Komediehuset | Komediehuset | Norway, Bergen, Engen 39 | 1853-01-02 | 1928-10-05 | 1853–1928 | 92 | 1 |
| Kongliga Dramatiska Teatern (Gamla Dramaten) | Kongliga Dramatiska Teatern (Gamla Dramaten) | Sweden, Stockholm, Kungsträdgården | 1857-11-04 | 1905-04-19 | 1857–1903 | 40 | 1 |
| Kristiansand | Kristiansand | Norway, Kristiansand | 1889-03-08 | 2005-03-16 | 1889–2005 | 15 | |
| Kirche Schönau | Kirche Schönau | Switzerland, Thun | 1985-11-29 | 1985-11-30 | 1985 | 1 | |
| Kurtheater, Norderney | Kurtheater, Norderney | Germany, Norderney | 2010-03-09 | -- | 2010 | 1 | |
| Krasnyj fakel | Krasnyj fakel (Red torch) | Russia, Novosibirsk, Ulitsa Lenina, 19 | -- | 2021-12-19 | 1964–2021 | 4 | |
| King’s Head Theatre | King’s Head Theatre | England, London, 115 Upper Street | 1996-06-19 | -- | 1996 | 1 | |
| Kornerhalle Schwechat | Kornerhalle Schwechat | Austria, Schwechat, Rathausplatz 6 | 2004-02-20 | -- | 2004 | 1 | |
| Kom-Teatterin Kannatus | Kom-Teatterin Kannatus r.y. (KOM-teatteri) | Finland, Kapteeninkatu 26, 00140 Helsinki, Finland | 2023-09-07 | 2023-12-09 | 2023 | 1 | |
| Kinolokalet | Kinolokalet | Norway, Askim | 1952-02-18 | -- | 1952–1956 | 2 | |
| Kotsøy | Kotsøy (Kotsoey) | Norway, Kotsøy | 1971-04-26 | -- | 1971 | 1 | |
| Kant-Gymnasium | Kant-Gymnasium | Germany, Pirmasens | 1984-12-07 | -- | 1984 | 1 | |
| Kvaløya videregående skole | Kvaløya videregående skole | Norway, Kvaløysletta, Nedre Storvollen 75 | 1997-11-12 | -- | 1997 | 1 | |
| Kurhaus & Stadttheater Meran | Kurhaus & Stadttheater Meran | Italy, Meran, Freiheitsstr. 33 | 1997-10-15 | 1997-10-15 | 1997 | 1 | |
| Kitasato Auditorium | Kitasato Auditorium | Japan, Tokyo | 1958-10-14 | -- | 1958 | 1 | |
| Krúdy Kamaraszínház | Krúdy Kamaraszínház | Hungary, Nyíregyháza, Bessenyei tér 13 | 1995-12-15 | -- | 1995–2007 | 2 | |
| Kamani Auditorium | Kamani Auditorium | India, New Delhi, 1, Copernicus Marg | 2006-03-08 | 2012-01-20 | 2006–2012 | 15 | |
| Kunstencentrum De Vlasbloem | Kunstencentrum De Vlasbloem | Belgium, Nieuwkerken-Waas, Gyselstraat 9 | 2007-03-10 | 2007-03-31 | 2007 | 1 | |
| Karlstads Teater | Karlstads Teater | Sweden, Karlstad, Malmtorgsgatan 2 | 1880-09-21 | 1978-03-18 | 1880–1978 | 4 | |
| Kulturkirken Jakob | Kulturkirken Jakob | Norway, Oslo, Hausmanns gate 14 | 2002-08-30 | 2016-11-03 | 2002–2016 | 5 | |
| Kaiserlich-königliches Theater in Salzburg | Kaiserlich-königliches Theater in Salzburg | Austria, Salzburg, Makartplatz | 1881-07-12 | -- | 1881–1891 | 3 | |
| Kinoen | Kinoen | Norway, Moss | 1952-02-14 | -- | 1952 | 1 | |
| Kurhaus (Großer Saal) | Kurhaus (Großer Saal) | Germany, Bad Soden am Taunus | 1963-11-06 | -- | 1963 | 1 | |
| Kalundborg | Kalundborg | Denmark, Kalundborg | -- | -- | | | |
| Katholisches Pfarreizentrum Heilig Geist | Katholisches Pfarreizentrum Heilig Geist | Switzerland, Wetzikon, Langfurrenstrasse 10 | 2010-05-16 | -- | 2010 | 1 | |
| Krokom | Krokom | Sweden, Krokom | 1989-09-27 | 1989-09-27 | 1989 | 1 | |
| Kolozsvari Nemzeti Színház | Kolozsvari Nemzeti Színház | Romania, Cluj-Napoca | 1889-12-09 | 1931-03-31 | 1889–1944 | 10 | |
| Kulturni centar Zrenjanina | Kulturni centar Zrenjanina (Zrenjanin Cultural Center) | Serbia, Zrenjanin, Narodne omladine 1 | -- | -- | | | |
| Kurhaus | Kurhaus | Germany, Bad Rappenau, Fritz-Hagner-Promenade 2 | 2006-02-14 | -- | 2006 | 1 | |
| Kiertue Mörk - Ilmari - Orjatsalo | Kiertue Mörk - Ilmari - Orjatsalo | Finland | 1912-- | -- | 1912 | 1 | |
| Komödie, Die | Die Komödie | Germany, Berlin, Kurfürstendamm 209 | 1933-02-23 | -- | 1933–1938 | 3 | |
| Kulturhuset i Ytterjärna | Kulturhuset i Ytterjärna | Sweden, Järna, Kulturcentrum Järna | 2011-05-31 | -- | 2011 | 1 | |
| Kibble Palace, Botanic Gardens | Kibble Palace, Botanic Gardens | Ireland, Glasgow | 2024-06-20 | 2024-07-06 | 2024 | 1 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Kakuza | Kakuza (Kadoza Theatre) | Japan, Osaka | 1928-07-23 | -- | 1928 | 1 | |
| Kulturhuset Zahl | Kulturhuset Zahl | Norway, Nesna, Nesna | 2009-04-29 | -- | 2009 | 1 | |
| Kulturring Grosshansdorf | Kulturring Grosshansdorf | Germany, Grosshansdorf, Ihlendieksweg 23A | 2015-10-10 | 2015-10-10 | 2015 | 1 | |
| Kinkikan | Kinkikan (Kinkikan Hall) | Japan, Tokyo | 1902-04-06 | -- | 1902 | 1 | |
| Kvam Bygdahus | Kvam Bygdahus | Norway | 1963-02-27 | 1963-02-28 | 1963 | 1 | |
| Krajské oblastní divadlo | Krajské oblastní divadlo | Czech Republic, Karlovy Vary | 1956-01-21 | -- | 1956 | 1 | |
| Karlsruhe | Karlsruhe | Germany, Karlsruhe | -- | -- | | | |
| Kungsbacka | Kungsbacka | Sweden, Kungsbacka | 2006-10-22 | -- | 2006 | 1 | |
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