| Kulturhuset | Kulturhuset | Norway, Molde, Kirkekråpet | 1986-04-07 | 2007-04-13 | 1986–2007 | 3 | |
| Kongshaug musikkgymnas | Kongshaug musikkgymnas | Norway, Lepsøy, Os | 2006-03-25 | 2006-03-28 | 2006 | 1 | |
| Kreiskulturraum | Kreiskulturraum | Germany, Kronach, Siechenangerstraße 13 | 2002-11-15 | 2002-11-17 | 2002 | 1 | |
| Komödie, Die | Die Komödie | Germany, Berlin, Kurfürstendamm 209 | 1933-02-23 | -- | 1933–1938 | 3 | |
| Königliches Freistädtisches Theater | Königliches Freistädtisches Theater Oedenburg | Hungary, Ödenburg, Sopron | 1878-- | -- | 1878 | 1 | |
| Kraljevsko slovensko gledališče Ljubljana | Kraljevsko slovensko gledališče Ljubljana | Slovenia, Ljubljana | 1919-03-08 | -- | 1919 | 1 | |
| Karpenisi, Spercheiada, Malaisina and other cities | Karpenisi, Spercheiada, Malaisina and other cities | Greece, Karpenisi, Spercheiada, Malaisina and ot | 1981-12-14 | 1981-12-29 | 1981 | 1 | |
| Kvinesdal | Kvinesdal | Norway, Kvinesdal | 1991-09-26 | -- | 1991–2005 | 3 | |
| Komm. kino | Komm. kino | Norway, Mysen | 1959-01-14 | 1959-01-15 | 1959 | 1 | |
| Kotsøy | Kotsøy (Kotsoey) | Norway, Kotsøy | 1971-04-26 | -- | 1971 | 1 | |
| Kleist Forum | Kleist Forum | Germany, Frankfurt (Oder), Platz der Einheit 1 | 2006-12-09 | -- | 2006 | 1 | |
| KCET (USA) | KCET (USA) | United States | 1990-01-01 | -- | 1990 | 1 | |
| Kvaløya videregående skole | Kvaløya videregående skole | Norway, Kvaløysletta, Nedre Storvollen 75 | 1997-11-12 | -- | 1997 | 1 | |
| Komárom | Komárom | Hungary, Komárom | 1925-03-25 | -- | 1925–1935 | 2 | |
| Kid Ailac Art Hall | Kid Ailac Art Hall | Japan, Tokyo, 2-43 Matsubara, Setagaya-ku | 1998-06-20 | 1998-06-21 | 1998 | 1 | |
| Kristiansand | Kristiansand | Norway, Kristiansand | 1889-03-08 | 2005-03-16 | 1889–2005 | 15 | |
| Kammerspiele Seeb | Kammerspiele Seeb | Switzerland, Seeb-Winkel | 1987-09-04 | 1987-10-03 | 1987 | 1 | |
| Kantiforum | Kantiforum | Switzerland, Wohlen, Allmendstrasse 26 | 2009-09-15 | -- | 2009 | 1 | |
| Kilachand Theatre | Kilachand Theatre, DUCTAC | United Arab Emirates, Dubai | 2017-05-10 | 2017-05-13 | 2017 | 1 | |
| Kungliga Dramatiska Teatern | Kungliga Dramatiska Teatern | Sweden, Stockholm, Nybroplan | 1908-03-07 | 2012-04-28 | 1908–2011 | 46 | |
| Kimen kulturhus | Kimen kulturhus | Norway, Stjørdal, Sandgata 15 | 2015-10-11 | 2020-10-27 | 2015–2020 | 3 | |
| Keszthely | Keszthely | Hungary, Keszthely | 1925-02-14 | -- | 1925–1926 | 4 | |
| Kantonsschule Kollegium Schwyz | Kantonsschule Kollegium Schwyz | Switzerland, Schwyz, Kollegiumstrasse 24 | 2011-02-18 | 2011-02-26 | 2011 | 1 | |
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