| Koppang | Koppang | Norway, Koppang | -- | -- | | | |
| Korgen | Korgen | Norway, Korgen | -- | -- | | | |
| Koriyama | Koriyama | Japan, Koriyama | 2010-02-09 | -- | 2010 | 1 | |
| Korjaamo Teatteri | Korjaamo Teatteri | Finland, Helsinki, Töölönkatu 51 a-b | 2016-08-23 | 2016-08-24 | 2016 | 1 | |
| Kornerhalle Schwechat | Kornerhalle Schwechat | Austria, Schwechat, Rathausplatz 6 | 2004-02-20 | -- | 2004 | 1 | |
| Korsavadshallen | Korsavadshallen | Sweden, Simrishamn, Backgatan 50 | 2006-10-25 | -- | 2006 | 1 | |
| Korshch Teatr | Korshch Teatr | Russia, Moscow | 1892-01-01 | -- | 1892–1904 | 2 | |
| Korskirken | Korskirken | Norway, Bergen, Vågsbunnen | 2008-02-13 | 2008-02-14 | 2008 | 1 | |
| Korsør Theater | Korsør Theater | Denmark, Korsør | 1902-11-11 | -- | 1902–1907 | 3 | |
| Kortrijk | Kortrijk | Belgium, Kortrijk | 1995-01-24 | -- | 1995 | 1 | |
| Kosei Nenkin Kaikan Hall | Kosei Nenkin Kaikan Hall | Japan, Osaka, 1-14-15 Shin-machi, Nishi-ku | 1971-10-03 | -- | 1971 | 2 | |
| Košice | Košice | Slovak Republic, Košice | 1889-12-21 | 1928-09-22 | 1889–1940 | 13 | |
| Kostroma | Kostroma | Russia, Kostroma | 1902-- | -- | 1902 | 1 | |
| Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Russia, Kostroma | 1964-10-27 | -- | 1964 | 1 | |
| Koszalin | Koszalin | Poland, Koszalin | -- | -- | | | |
| Kota Larantuka | Kota Larantuka | Indonesia, Larantuka East Flores Regency Nusa Tenggara Timur | 2019-07-06 | 2019-07-06 | 2019 | 1 | |
| Kotka | Kotka | Finland, Kotka | -- | -- | | | |
| Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland, Kotka, Keskuskatu 15 | 1938-03-12 | 2006-12-14 | 1938–2012 | 9 | |
| Kotkan Kaupunginteatteri (Studio) | Kotkan Kaupunginteatteri (Studio) | Finland, Kotka | 1982-03-27 | -- | 1982 | 1 | |
| Kotsøy | Kotsøy (Kotsoey) | Norway, Kotsøy | 1971-04-26 | -- | 1971 | 1 | |
| Kraevoj teatr drami | Kraevoj teatr drami | Russia, Habarovsk | 1955-10- | -- | 1955 | 1 | |
| Kragerø | Kragerø | Norway, Kragerø | 1889-02-20 | 1889-02-25 | 1889–1958 | 3 | |
| Kragerø kirke | Kragerø kirke | Norway, Kragerø | 2016-11-03 | -- | 2016 | 1 | |
| Kragerø ungdomsskole | Kragerø ungdomsskole | Norway, Kragerø, Kragerø | 2006-10-30 | 2006-10-31 | 2006 | 1 | |
| Krajské divadlo Kolín | Krajské divadlo Kolín | Czech Republic, Kolín | 1976-04-30 | -- | 1976 | 1 | |
| Krajské krušnohorské divadlo Teplice | Krajské krušnohorské divadlo Teplice | Czech Republic, Teplice | 1958-02-23 | -- | 1958 | 1 | |
| Krajské oblastní divadlo | Krajské oblastní divadlo | Czech Republic, Karlovy Vary | 1956-01-21 | -- | 1956 | 1 | |
| Krajské oblastní divadlo Hradec Králové | Krajské oblastní divadlo Hradec Králové | Czech Republic, Hradec Králové | 1960-04-09 | -- | 1960 | 1 | |
| Krajské oblastní divadlo Olomouc | Krajské oblastní divadlo Olomouc | Czech Republic, Olomouc | -- | -- | | | |
| Kraljevsko slovensko gledališče Ljubljana | Kraljevsko slovensko gledališče Ljubljana | Slovenia, Ljubljana | 1919-03-08 | -- | 1919 | 1 | |
| Královské zemské České divadlo | Královské zemské České divadlo | Czech Republic, Prague | 1878-04-15 | -- | 1878 | 1 | |
| Kramfors | Kramfors | Sweden, Kramfors | 1991-04-08 | 1991-04-08 | 1991 | 1 | |
| Krannert Center for the Performing Arts | Krannert Center for the Performing Arts | United States, Urbana, 500 South Goodwin Avenue | 1972-01-12 | 1988-10-23 | 1972–1988 | 5 | |
| Krasnapolsky | Krasnapolsky | Netherlands, Amsterdam | 1938-03-20 | -- | 1938 | 1 | |
| Krasnodar | Krasnodar | Russia, Krasnodar | 1899-05-20 | -- | 1899 | 1 | |
| Krasnodarski molodežnjij teatr | Krasnodarski molodežnjij teatr (Krasnodar Youth Theater) | Russia, Krasnodar, Krasnodar Krai, Ulitsa Mitrofana Sedina, 28 | 2016-10-06 | -- | 2016 | 1 | |
| Kravis Center | Kravis Center | United States, West Palm Beach, 701 Okeechobee Blvd | 2010-01-21 | 2010-01-22 | 2010 | 1 | |
| Kreeger Theater | Kreeger Theater | United States, Washington D.C., 1101 6th St SW | 1986-02-28 | 1986-04-20 | 1986 | 1 | |
| Krefeld | Krefeld | Germany, Krefeld | 2002-02-17 | -- | 2002 | 1 | |
| Kreiskulturraum | Kreiskulturraum | Germany, Kronach, Siechenangerstraße 13 | 2002-11-15 | 2002-11-17 | 2002 | 1 | |
| Kresge Theater, Beloit College | Kresge Theater, Beloit College | United States, Beloit | 2002-10-03 | 2002-10-12 | 2002 | 1 | |
| Kristiania Norske Theater | Kristiania Norske Theater | Norway, Oslo, Møllergata 1 | 1858-11-24 | 1859-04-13 | 1858–1859 | 3 | |
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