| Kogod Theatre (The Clarice Smith Performing Arts Center) | Kogod Theatre (The Clarice Smith Performing Arts Center) | United States of America, Baltimore, 8270 Alumni Dr, College Park | 2020-02-07 | 2020-02-15 | 2020 | 1 | |
| Kruseløkka ungdomsskole | Kruseløkka ungdomsskole | Norway, Sarpsborg, Hans Nielsen Hauges gate 33 | 2006-10-24 | 2006-10-25 | 2006 | 1 | |
| Kvitsund Gymnas | Kvitsund Gymnas | Norway, Kviteseid, Jacob Naadlands Veg 2 | 2012-11-30 | 2012-12-01 | 2012 | 1 | |
| Krokom | Krokom | Sweden, Krokom | 1989-09-27 | 1989-09-27 | 1989 | 1 | |
| Kiertue Mörk - Ilmari - Orjatsalo | Kiertue Mörk - Ilmari - Orjatsalo | Finland | 1912-- | -- | 1912 | 1 | |
| Kutaisi | Kutaisi | Georgia, Kutaisi | 1898-02-20 | -- | 1898 | 1 | |
| Komediteatern | Komediteatern | Sweden, Stockholm | 1936-11-11 | -- | 1936 | 1 | |
| Kleist-Theater | Kleist-Theater | Germany, Frankfurt an der Oder, Gerhart-Hauptmann Strasse | 1994-04-23 | -- | 1994 | 1 | |
| Kulturring Grosshansdorf | Kulturring Grosshansdorf | Germany, Grosshansdorf, Ihlendieksweg 23A | 2015-10-10 | 2015-10-10 | 2015 | 1 | |
| Kurtheater, Norderney | Kurtheater, Norderney | Germany, Norderney | 2010-03-09 | -- | 2010 | 1 | |
| Kaufbeuren | Kaufbeuren | Germany, Swabia, Bavaria | 1878-- | -- | 1878 | 1 | |
| Kandy | Kandy | Sri Lanka, Kandy | 2006-09-26 | -- | 2006 | 1 | |
| Küsnacht ZH | Küsnacht ZH | Switzerland | 2002-09-14 | -- | 2002 | 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 | |
| Kulturhuset Zahl | Kulturhuset Zahl | Norway, Nesna, Nesna | 2009-04-29 | -- | 2009 | 1 | |
| Kleines Theater Schillerstrasse | Kleines Theater Schillerstrasse | Germany, Geesthacht, Schillerstraße 33 | 2005-11-11 | -- | 2005 | 1 | |
| Kontraskjæret | Kontraskjæret | Norway, Oslo, Oslo | 2012-08-25 | -- | 2012 | 1 | |
| Kunstencentrum De Vlasbloem | Kunstencentrum De Vlasbloem | Belgium, Nieuwkerken-Waas, Gyselstraat 9 | 2007-03-10 | 2007-03-31 | 2007 | 1 | |
| Kyōtofu Tachi bunka geijutsu kaikan | Kyōtofu Tachi bunka geijutsu kaikan (Kyoto Prefectural Center for Arts and Culture) | Japan, Kyoto | 1987-06-18 | 1987-06-20 | 1987 | 1 | |
| Kurtheater Salzbrunn | Kurtheater Salzbrunn | Poland, Szczawno-Zdrój | 1903-07-10 | -- | 1903 | 1 | |
| Katholisches Pfarreizentrum Heilig Geist | Katholisches Pfarreizentrum Heilig Geist | Switzerland, Wetzikon, Langfurrenstrasse 10 | 2010-05-16 | -- | 2010 | 1 | |
| Kinsarvik | Kinsarvik | Norway, Kinsarvik | 1966-09-01 | -- | 1966 | 1 | |
| Kongsberg Musikkteater | Kongsberg Musikkteater | Norway, Kongsberg, Hasbergs vei 36 | 2019-09-17 | 2019-10-11 | 2019 | 1 | |
| Kis Komédia | Kis Komédia | Hungary, Budapest, Révay utca 18. | 1924-02-03 | 1924-03-23 | 1924 | 1 | |
| Kibble Palace, Botanic Gardens | Kibble Palace, Botanic Gardens | Ireland, Glasgow | 2024-06-20 | 2024-07-06 | 2024 | 1 | |
| Kinobrakka | Kinobrakka | Norway, Jørstadmoen | 1956-05-29 | -- | 1956 | 1 | |
| Konzerthaus Ravensburg | Konzerthaus Ravensburg | Germany, Ravensburg, Wilhelmstraße 3 | 2001-04-04 | -- | 2001 | 1 | |
| Kjøllefjord | Kjøllefjord | Norway, Kjøllefjord | 1970-09-14 | -- | 1970 | 1 | |
| Kungsbacka | Kungsbacka | Sweden, Kungsbacka | 2006-10-22 | -- | 2006 | 1 | |
| Konzert und Festhalle | Konzert und Festhalle | Germany, Wörth/Rhein | 1980-03-19 | -- | 1980 | 1 | |
| Karlbergsteatern | Karlbergsteatern | Sweden, Åmål, Schölingsgatan 7 | 2010-10-06 | -- | 2010 | 1 | |
| Kent State University Theatre | Kent State University Theatre | United States of America, Kent, B141 Music and Speech Building | 1968-04-06 | -- | 1968 | 1 | |
| Kammerspiele Charlottenburg | Kammerspiele Charlottenburg | Germany, Berlin | 1945-11-02 | -- | 1945 | 1 | |
| Kitchen Theatre | Kitchen Theatre | United States of America, Ithaca, 417 West State Street | 2003-04-17 | 2003-05-10 | 2003 | 1 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Kammerspiele Rendsburg | Kammerspiele Rendsburg | Germany, Rendsburg, Hans-Heinrich-Beisenkötter-Platz 1 | 2011-05-10 | -- | 2011 | 1 | |
| Kenwood House | Kenwood House | England, London, Hampstead Lane, Hampstead | 2014-03-31 | 2014-04-04 | 2014 | 1 | |
| Kvelde skole | Kvelde skole | Norway, Larvik, Larvik | 2007-01-12 | -- | 2007 | 1 | |
| Kungälv | Kungälv | Sweden, Kungälv | 1960-10-16 | -- | 1960 | 1 | |
| K. K. Hof-Burgtheater | K. K. Hof-Burgtheater | Austria, Vienna, Michaelerplatz | 1876-10-26 | 1876-12-29 | 1876 | 1 | |
| Koblenz | Koblenz | Germany, Koblenz | 1923-09-01 | -- | 1923 | 1 | |
| Kangjiantang Juyuan | Kangjiantang Juyuan (Kangjiantang Theatre) | China, Yuzhong, Chongqing, 181 Zhongshan 1st Road | 1948-02-08 | -- | 1948 | 1 | |
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