| Kinimatografos Apollon | Kinimatografos Apollon | Greece, Livadeia | 1981-11-11 | -- | 1981 | 1 | |
| Korgen | Korgen | Norway, Korgen | -- | -- | | | |
| Khulna University Auditorium | Khulna University Auditorium | Bangladesh, Khulna, Khulna University | 2006-03-04 | -- | 2006 | 1 | |
| Kulturhalle Remchingen | Kulturhalle Remchingen | Germany, Remchingen, Hauptstraße 115 | 1997-09-21 | 2000-01-26 | 1997 | 1 | |
| Kuopion Kaupunginteatteri | Kuopion Kaupunginteatteri | Finland, Kuopio, Niiralankatu 2 | 1943-11-06 | 2002-01-25 | 1943–2001 | 3 | |
| Klubbens teatersal | Klubbens teatersal | Norway, Tønsberg, Nedre Langgate 49 | 1973-11-06 | -- | 1973–1978 | 3 | |
| Kvæfjord videregående skole | Kvæfjord videregående skole | Norway, Borkenes, Kvæfjord | 1997-11-21 | -- | 1997 | 1 | |
| Kansai Geijutsuza | Kansai Geijutsuza (Kansai Geijutsuza Studio) | Japan, Osaka | 1958-11-19 | -- | 1958 | 1 | |
| Kulturzentrum Brotfabrik Bonn | Kulturzentrum Brotfabrik Bonn | Germany, Bonn | 2016-05-12 | 2016-10-29 | 2016 | 1 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Ke Center for Contemporary Arts | Ke Center for Contemporary Arts | China, Shanghai, 613 Kaixuan Rd | 2009-10-14 | 2009-10-18 | 2009 | 1 | |
| Kattateatret | Kattateatret | Norway, Oslo, Ullevålsveien 31 | 2003-01-07 | 2003-01-18 | 2003 | 1 | |
| Katona József Színház | Katona József Színház | Hungary, Kecskemét, Katona József tér 5 | 1971-04-02 | 2007-05-05 | 1971–2007 | 2 | |
| Komm. kinoen | Komm. kinoen | Norway, Steinkjer | 1952-03-07 | -- | 1952 | 1 | |
| Komödienhaus | Komödienhaus | Germany, Hamburg | 1920-09-23 | -- | 1920 | 1 | |
| Kleines Haus at Staatstheater Mainz | Kleines Haus at Staatstheater Mainz | Germany, Mainz, Tritonplatz | 1998-10-17 | 2001-06-28 | 1998–2001 | 2 | |
| Kammerspiele Theater Lübeck | Kammerspiele Theater Lübeck | Germany, Lübeck, Beckergrube 16 | 1999-09-04 | 2010-06-12 | 1999–2010 | 3 | |
| Karaganda Regional Academic Kazakh Drama Theater | Karaganda, in the S. Seifullin Karaganda Regional Academic Kazakh Drama Theater | Kazakhstan, Karaganda | 2023-12-20 | 2023-12-20 | 2023 | 1 | |
| Klein RaamTeater | 't Klein RaamTeater | Belgium, Antwerp | 1989-03-16 | 1989-04-29 | 1989 | 1 | |
| Kyōto kaikan | Kyōto kaikan (Kyoto Kaikan Hall) | Japan, Kyoto, 13 Sakyo-ku | 1959-12-04 | 1959-12-05 | 1959–1971 | 4 | |
| Katrineholm | Katrineholm | Sweden, Katrineholm | 1936-10-24 | 2019-09-18 | 1936–2019 | 3 | |
| Kasernescenen | Kasernescenen | Denmark, Aarhus, Langelandsgade 139 | 2006-05-18 | 2006-05-20 | 2006 | 1 | |
| Kenendy Theatre | Kennedy Theatre | United States of America, Honolulu, 1770 East-West Rd | 2018-04-13 | 2018-04-22 | 2018 | 1 | |
| Kornerhalle Schwechat | Kornerhalle Schwechat | Austria, Schwechat, Rathausplatz 6 | 2004-02-20 | -- | 2004 | 1 | |
| Königliches Schloßtheater Ansbach | Königliches Schloßtheater Ansbach | Germany, Ansbach | 1894-01-05 | -- | 1894 | 1 | |
| Kōtō kōkaidō tiara kōtō | Kōtō kōkaidō tiara kōtō (Tiara Koto) | Japan, Tokyo, 2 Chome-28-36 Sumiyoshi, Koto | 2006-10-14 | 2006-10-15 | 2006 | 1 | |
| Kragerø | Kragerø | Norway, Kragerø | 1889-02-20 | 1889-02-25 | 1889–1958 | 3 | |
| Kinoen | Kinoen | Norway, Verdal | 1961-02-14 | -- | 1961–1971 | 2 | |
| Kinolokalet | Kinolokalet | Norway, Askim | 1952-02-18 | -- | 1952–1956 | 2 | |
| Konserthusteatern Karlskrona | Konserthusteatern Karlskrona | Sweden, Karlskrona, Stortorget 16 | 2010-12-09 | -- | 2010 | 1 | |
| Karuss skole | Karuss skole | Norway, Kristiansand, Kristiansand | 2006-10-19 | -- | 2006 | 1 | |
| Kansas City | Kansas City | United States of America, Kansas City | 1995-- | -- | 1995 | 1 | |
| Krasnapolsky | Krasnapolsky | Netherlands, Amsterdam | 1938-03-20 | -- | 1938 | 1 | |
| Königliche Schauspiele Wiesbaden | Königliche Schauspiele Wiesbaden | Germany, Wiesbaden | 1878-04-28 | 1907-04-29 | 1878–1926 | 6 | |
| Kom Hoorn | Kom Hoorn | Netherlands, Terschelling | 2003-06-13 | 2003-08-14 | 2003 | 1 | |
| Kellertheater Thun | Kellertheater Thun | Switzerland, Thun | 1985-10-26 | 1985-11-09 | 1985 | 1 | |
| Kellertheater Hamburg | Kellertheater Hamburg | Germany, Hamburg, Johannes-Brahms-Platz 1 | 2018-10-19 | -- | 2018 | 1 | |
| Kulturring Neuhausen | Kulturring Neuhausen | Germany, Neuhausen auf den Fildern, Fuchslöcherstraße 15 | 2007-03-20 | -- | 2007 | 1 | |
| Klosterøya, PM7 | Klosterøya, PM7 | Norway, Skien, Union bruk | 2009-06-03 | 2015-03-14 | 2009–2015 | 6 | |
| Kommunales Kontakttheater | Kommunales kontakttheater (KKT) | Germany, Stuttgart, Kissinger Straße 66A | 1996-06-07 | -- | 1996 | 1 | |
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