| Klostersaal | Klostersaal | Germany, Forchheim, Klosterstraße 10 | 2004-03-23 | -- | 2004 - 2011 | 2 | |
| Kreeger Theater | Kreeger Theater | United States, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| K. k. und National-Theater Innsbruck | K. k. und National-Theater Innsbruck | Austria, Innsbruck | 1881-01-07 | 1881-01-12 | 1881 | 1 | |
| Komische Oper Berlin | Komische Oper Berlin | Germany, Berlin, Behrenstraße 55 | 2016-04-07 | 2016-04-08 | 2016 | 1 | |
| Kinoteatret | Kinoteatret | Norway, Mo i Rana, Rådhusplassen 2 | 1959-02-18 | 1993-03-19 | 1959 - 2017 | 11 | |
| Kulturfabriken | Kulturfabriken, Liljeholmen | Sweden, Stockholm, Liljeholmen | 1997-03-01 | -- | 1997 | 1 | |
| Königliches Theater Helgoland (Hoftheater-Ensemble) | Königliches Theater Helgoland (Hoftheater-Ensemble) | Germany, Helgoland | 1878-04-14 | -- | 1878 | 1 | |
| Königliches Hoftheater | Königliches Hoftheater | Germany, Stuttgart | 1878-09-23 | 1917-04-24 | 1878 - 1917 | 61 | |
| Kokkola | Kokkola | Finland, Kokkola | -- | -- | | | |
| Künstlerhaus Mousonturm | Künstlerhaus Mousonturm | Germany, Frankfurt am Main, Waldschmidtstraße 4 | 2000-12-16 | 2015-01-29 | 2000 - 2015 | 2 | |
| Kopervik | Kopervik | Norway, Kopervik | 1971-03-05 | -- | 1971 - 2004 | 4 | |
| Karlbergsteatern | Karlbergsteatern | Sweden, Åmål, Schölingsgatan 7 | 2010-10-06 | -- | 2010 | 1 | |
| Koppang | Koppang | Norway, Koppang | -- | -- | | | |
| Koninklijke Nederlandse Schouwburg | Koninklijke Nederlandse Schouwburg | Belgium, Gent, Sint-Baafsplein Square | 1956-12-11 | 1996-10-26 | 1956 - 1996 | 3 | |
| Kirkelund Barne- og Ungdomsskole | Kirkelund Barne- og Ungdomsskole | Norway, Skiptvedt, Skiptvedt | 2005-11-16 | -- | 2005 | 1 | |
| Kleines Theater | Kleines Theater | Germany, Landshut, Bauhofstraße 1 | 2006-02-10 | 2011-04-30 | 2006 - 2011 | 3 | |
| Kultur im Beaulieu | Kultur im Beaulieu | Switzerland, Murten, Prehlstrasse 13 | 2009-01-17 | 2009-02-07 | 2009 | 1 | |
| Kunsthaus Seelscheid | Kunsthaus Seelscheid | Germany, Neunkirchen-Seelscheid, Bergstraße 41-43 | 2005-03-03 | 2005-03-20 | 2005 | 1 | |
| KCET (USA) | KCET (USA) | United States | 1990-01-01 | -- | 1990 | 1 | |
| Kilden | Kilden | Norway, Tønsberg | 1960-03-23 | 1963-03-13 | 1960 - 1965 | 4 | |
| Kristiania Norske Theater | Kristiania Norske Theater | Norway, Oslo, Møllergata 1 | 1858-11-24 | 1859-04-13 | 1858 - 1859 | 3 | |
| Kolvereid | Kolvereid | Norway, Kolvereid | 1995-02-22 | -- | 1995 - 2005 | 2 | |
| Kaufbeuren | Kaufbeuren | Germany, Swabia, Bavaria | 1878-- | -- | 1878 | 1 | |
| Kiertue Mörk - Ilmari - Orjatsalo | Kiertue Mörk - Ilmari - Orjatsalo | Finland | 1912-- | -- | 1912 | 1 | |
| Kvæfjord videregående skole | Kvæfjord videregående skole | Norway, Borkenes, Kvæfjord | 1997-11-21 | -- | 1997 | 1 | |
| Kommunales Kontakttheater | Kommunales kontakttheater (KKT) | Germany, Stuttgart, Kissinger Straße 66A | 1996-06-07 | -- | 1996 | 1 | |
| Königliche Schauspiele Hannover | Königliche Schauspiele Hannover | Germany, Hannover | 1878-09-14 | -- | 1878 - 1916 | 3 | |
| Kellertheater Thun | Kellertheater Thun | Switzerland, Thun | 1985-10-26 | 1985-11-09 | 1985 | 1 | |
| Kinoen | Kinoen | Norway, Harstad | 1959-02-26 | 1959-02-27 | 1959 | 1 | |
| Konserthusteatern Karlskrona | Konserthusteatern Karlskrona | Sweden, Karlskrona, Stortorget 16 | 2010-12-09 | -- | 2010 | 1 | |
| Kyrenia | Kyrenia | Cyprus, Kyrenia | 1973-03-06 | -- | 1973 - 1974 | 2 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922 - 1930 | 2 | |
| Kvernhuset Ungdomskole | Kvernhuset Ungdomskole | Norway, Fredrikstad, Kvernhusveien 1 | 2006-11-09 | 2006-11-13 | 2006 | 1 | |
| Kitakyushu | Kitakyushu | Japan, Kitakyushu | 1971-10-05 | -- | 1971 | 1 | |
| King's College, Taunton | King's College, Taunton | England, Somerset, South Rd | 2008-03-29 | 2008-04-05 | 2008 | 1 | |
| Krajské krušnohorské divadlo Teplice | Krajské krušnohorské divadlo Teplice | Czech Republic, Teplice | 1958-02-23 | -- | 1958 | 1 | |
| Kokomo | Kokomo | United States, Kokomo | 1903-10-29 | 1903-10-29 | 1903 | 1 | |
| Kenendy Theatre | Kennedy Theatre | United States, Honolulu, 1770 East-West Rd | 2018-04-13 | 2018-04-22 | 2018 | 1 | |
| Kursaal Bad Honnef | Kursaal Bad Honnef | Germany, Bad Honnef, Hauptstraße 28 | 2007-03-14 | -- | 2007 | 1 | |
| Kunstbanken Hedmark Kunstsenter | Kunstbanken Hedmark Kunstsenter | Norway, Hamar, Parkgata 21 | 1998-11-15 | -- | 1998 | 1 | |
| Kyrkholmen | Kyrkholmen, Skellefteå | Sweden, Kyrkholmen, Skellefteå, Kyrkholmen | 1997-06-18 | 1997-07-13 | 1997 | 1 | |
| Königliches Wilhelma-Theater | Königliches Wilhelma-Theater | Germany, Stuttgart | 1901-10-06 | 1901-10-08 | 1901 - 1907 | 2 | |
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Venues
