| Kokusai Kaikan | Kokusai Kaikan | Japan, Kobe, 8-1-6, Goko-dori, Chuo-ku | 1971-10-10 | -- | 1971 | 1 | |
| Kokomo | Kokomo | United States, Kokomo | 1903-10-29 | 1903-10-29 | 1903 | 1 | |
| Kokkolan Kaupunginteatteri | Kokkolan Kaupunginteatteri | Finland, Kokkola, Torikatu | 1921-08-23 | 1952-- | 1921–1983 | 3 | |
| Kokkola | Kokkola | Finland, Kokkola | -- | -- | | | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Kogod Theatre (The Clarice Smith Performing Arts Center) | Kogod Theatre (The Clarice Smith Performing Arts Center) | United States, Baltimore, 8270 Alumni Dr, College Park | 2020-02-07 | 2020-02-15 | 2020 | 1 | |
| Kochi Museum | Kochi Museum | Japan, Kochi, 353-2 Takasu Kochi-City | 2008-03-15 | -- | 2008 | 1 | |
| Koblenz | Koblenz | Germany, Koblenz | 1923-09-01 | -- | 1923 | 1 | |
| Knickerbocker Theatre | Knickerbocker Theatre | United States, New York, 1396 Broadway (West 38th Street) | 1905-03-07 | 1905-03- | 1905 | 1 | |
| Kneževo | Kneževo | Bosnia and Herzegovina | -- | -- | | | |
| Klyve ungdomsskole | Klyve ungdomsskole | Norway, Skien | 2006-03-02 | -- | 2006 | 2 | |
| Klubhaus i Berlin-Spandau | Klubhaus i Berlin-Spandau | Germany, Berlin, Westerwaldstr. 13 | 2002-09-20 | 2002-10-06 | 2002 | 1 | |
| Klubbens teatersal | Klubbens teatersal | Norway, Tønsberg, Nedre Langgate 49 | 1973-11-06 | -- | 1973–1978 | 3 | |
| Klubben | Klubben | Norway, Tønsberg | 1968-08-29 | 1969-10-12 | 1968–1969 | 3 | |
| Klosterøya, PM7 | Klosterøya, PM7 | Norway, Skien, Union bruk | 2009-06-03 | 2015-03-14 | 2009–2015 | 6 | |
| Klostersaal | Klostersaal | Germany, Forchheim, Klosterstraße 10 | 2004-03-23 | -- | 2004–2011 | 2 | |
| Klicperovo divadlo (Studio Beseda) | Klicperovo divadlo (Studio Beseda) | Czech Republic, Hradec Králové, Dlouhá 99/9 | 1995-04-01 | -- | 1995 | 1 | |
| Kleve | Kleve | Germany, Kleve | 2001-10-04 | -- | 2001 | 1 | |
| Kleist-Theater | Kleist-Theater | Germany, Frankfurt an der Oder, Gerhart-Hauptmann Strasse | 1994-04-23 | -- | 1994 | 1 | |
| Kleist Forum | Kleist Forum | Germany, Frankfurt (Oder), Platz der Einheit 1 | 2006-12-09 | -- | 2006 | 1 | |
| Kleines Theater Schillerstrasse | Kleines Theater Schillerstrasse | Germany, Geesthacht, Schillerstraße 33 | 2005-11-11 | -- | 2005 | 1 | |
| Kleines Theater Bargteheide | Kleines Theater Bargteheide | Germany, Bargteheide, Hamburger Str. 3 | 2007-02-11 | -- | 2007 | 1 | |
| Kleines Theater Bad Godesberg | Kleines Theater Bad Godesberg | Germany, Bad Godesberg, Bonn, Koblenzer Straße 78 | 1967-10-31 | 2007-04-06 | 1967–2007 | 3 | |
| Kleines Theater am Markt | Kleines Theater am Markt | Germany, Wahlstedt, Waldstraße 16 | 2005-09-30 | -- | 2005 | 1 | |
| Kleines Theater | Kleines Theater | Germany, Berlin, Unter den Linden 44 | 1907-11-02 | -- | 1907 | 1 | |
| Kleines Theater | Kleines Theater | Germany, Landshut, Bauhofstraße 1 | 2006-02-10 | 2011-04-30 | 2006–2011 | 3 | |
| Kleines Haus at Staatstheater Mainz | Kleines Haus at Staatstheater Mainz | Germany, Mainz, Tritonplatz | 1998-10-17 | 2001-06-28 | 1998–2001 | 2 | |
| Kleine Bühne, Landschaftlicher Redoutensaal | Kleine Bühne, Landschaftlicher Redoutensaal | Austria, Linz | 1919-11-19 | 1920-03-13 | 1919–1920 | 4 | |
| Kleine Bühne Flensburg | Kleine Bühne Flensburg | Germany, Flensburg, Nordergraben 12 | 2011-05-26 | -- | 2011 | 1 | |
| Kleine Bühne | Kleine Bühne | Czech Republic, Prague | 1932-04-27 | -- | 1932 | 1 | |
| Klein RaamTeater | 't Klein RaamTeater | Belgium, Antwerp | 1989-03-16 | 1989-04-29 | 1989 | 1 | |
| Klagenfurt | Klagenfurt | Austria, Klagenfurt | -- | -- | | | |
| Kjølnes ungdomsskole | Kjølnes ungdomsskole | Norway, Porsgrunn, Porsgrunn | 2005-11-01 | 2006-11-14 | 2005–2006 | 2 | |
| Kjøllefjord | Kjøllefjord kino (Kjoellefjord) | Norway, Kjøllefjord, Strandvegen 152 /154, 9790 Kjøllefjord | 1970-02-15 | -- | 1970 | 1 | |
| Kjøllefjord | Kjøllefjord | Norway, Kjøllefjord | 1970-09-14 | -- | 1970 | 1 | |
| Kjøge Teater | Kjøge Teater | Denmark, Kjøge | 1887-05-13 | -- | 1887–1907 | 5 | |
| Kjevik | Kjevik | Norway, Kjevik | 1971-02-26 | 1971-02-27 | 1971 | 2 | |
| Kitchen Theatre | Kitchen Theatre | United States, Ithaca, 417 West State Street | 2003-04-17 | 2003-05-10 | 2003 | 1 | |
| Kitasato Auditorium | Kitasato Auditorium | Japan, Tokyo | 1958-10-14 | -- | 1958 | 1 | |
| Kitami Economic Centre | Kitami Economic Centre | Japan, Hokkaido, Kitami | 1980-07-23 | -- | 1980 | 1 | |
| Kitakyushu | Kitakyushu | Japan, Kitakyushu | 1971-10-05 | -- | 1971 | 1 | |
| Kisvárdai Várszínház és Művészetek Háza | Kisvárdai Várszínház és Művészetek Háza | Hungary, Kisvárda, Flórián tér 20 | 2018-06-28 | -- | 2018 | 1 | |
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