| Klicperovo divadlo (Studio Beseda) | Klicperovo divadlo (Studio Beseda) | Czech Republic, Hradec Králové, Dlouhá 99/9 | 1995-04-01 | -- | 1995 | 1 | |
| Krajské oblastní divadlo | Krajské oblastní divadlo | Czech Republic, Karlovy Vary | 1956-01-21 | -- | 1956 | 1 | |
| Krajské divadlo Kolín | Krajské divadlo Kolín | Czech Republic, Kolín | 1976-04-30 | -- | 1976 | 1 | |
| Komorní scéna Aréna | Komorní scéna Aréna | Czech Republic, Moravská Ostrava, 28. října 2 | 2014-03-22 | 2018-06-21 | 2014–2016 | 2 | |
| Königlich Städtisches Theater Olmütz | Königlich Städtisches Theater Olmütz | Czech Republic, Olomouc | 1879-10-08 | 1879-10-15 | 1879–1918 | 15 | |
| Královské zemské České divadlo | Královské zemské České divadlo | Czech Republic, Prague | 1878-04-15 | -- | 1878 | 1 | |
| Kleine Bühne | Kleine Bühne | Czech Republic, Prague | 1932-04-27 | -- | 1932 | 1 | |
| Krajské krušnohorské divadlo Teplice | Krajské krušnohorské divadlo Teplice | Czech Republic, Teplice | 1958-02-23 | -- | 1958 | 1 | |
| Koncertpalæets store Sal | Koncertpalæets store Sal | Denmark, Copenhagen | 1894-12-11 | -- | 1894 | 1 | |
| Kongelige Teater, Det | Det Kongelige Teater | Denmark, Copenhagen, August Bournonvilles Passage 8 | 1870-02-16 | 2016-06-19 | 1870–2016 | 101 | |
| Kunstforeningen GL STRAND | Kunstforeningen GL STRAND | Denmark, Copenhagen, Gammel Strand 48 | 2006-12-01 | 2006-12-02 | 2006 | 1 | |
| Kanonhallen | Kanonhallen | Denmark, Copenhagen, Østerfælled Torv 37 | 1994-11-02 | 1994-11-07 | 1994 | 1 | |
| Kino Grenå | Kino Grenå | Denmark, Grenå, Østergade 7 | 2002-10-08 | -- | 2002 | 1 | |
| Kalundborg | Kalundborg | Denmark, Kalundborg | -- | -- | | | |
| Kjøge Teater | Kjøge Teater | Denmark, Kjøge | 1887-05-13 | -- | 1887–1907 | 5 | |
| Kolding Teater | Kolding Teater | Denmark, Kolding, Skovbrynet 1 | 1880-03-03 | -- | 1880–2018 | 16 | |
| Korsør Theater | Korsør Theater | Denmark, Korsør | 1902-11-11 | -- | 1902–1907 | 3 | |
| Kulturhuset Viften | Kulturhuset Viften | Denmark, Rødovre, Rødovre Parkvej 130 | 2002-03-21 | 2004-11-10 | 2002–2004 | 3 | |
| Kulturhuset i Toftlund | Kulturhuset i Toftlund | Denmark, Toftlund, Søren Jensens Vej 2 | 2002-03-08 | -- | 2002 | 1 | |
| Kasernescenen | Kasernescenen | Denmark, Aarhus, Langelandsgade 139 | 2006-05-18 | 2006-05-20 | 2006 | 1 | |
| Kipos tis Esvekias | Kipos tis Esvekias | Egypt, Cairo | 1939-12-15 | -- | 1939 | 2 | |
| Khedivial Opera House | Khedivial Opera House | Egypt, Cairo, EL Borg Gezira | 1892-03-15 | -- | 1892–1953 | 2 | |
| Kiln Theatre | Kiln Theatre | England | 2019-05-30 | 2019-07-06 | 2019 | 1 | |
| Keble O’Reilly Theatre | Keble O’Reilly Theatre | England | 2010-11-17 | 2010-11-20 | 2010 | 1 | |
| Kenton Theatre | Kenton Theatre | England, Henley-on-Thames, Oxfordshire, New St | 2005-11-21 | 2005-11-26 | 2005 | 1 | |
| Kent | Kent | England, Kent | -- | -- | | | |
| Kings Lynn Arts Centre | Kings Lynn Arts Centre | England, King's Lynn, Norfolk, 29 King Street | 2004-11-10 | 2004-11-10 | 2004 | 1 | |
| Kelly's Theatre | Kelly's Theatre | England, Liverpool, Paradise Street | 1910-09-26 | -- | 1910 | 3 | |
| King’s Head Theatre | King’s Head Theatre | England, London, 115 Upper Street | 1996-06-19 | -- | 1996 | 1 | |
| Kenwood House | Kenwood House | England, London, Hampstead Lane, Hampstead | 2014-03-31 | 2014-04-04 | 2014 | 1 | |
| Kennington Theatre | Kennington Theatre | England, London, Kennington Park Road | 1917-06-12 | -- | 1917 | 1 | |
| Kingsway Theatre | Kingsway Theatre | England, London, Little Queen Street | 1911-04-22 | 1928-03-23 | 1911–1928 | 7 | |
| Keble O'Reilly | Keble O'Reilly Theatre | England, Oxford, Blackhall Road, Oxford, OX1 3PG | 2023-11-09 | 2023-11-11 | 2023 | 1 | |
| Key Theatre | Key Theatre | England, Peterborough, Embankment Road | 2014-02-05 | 2014-10-01 | 2014 | 2 | |
| King's College, Taunton | King's College, Taunton | England, Somerset, South Rd | 2008-03-29 | 2008-04-05 | 2008 | 1 | |
| Kuressaare | Kuressaare | Estonia, Kuressaare | -- | -- | | | |
| Kiertue Mörk - Ilmari - Orjatsalo | Kiertue Mörk - Ilmari - Orjatsalo | Finland | 1912-- | -- | 1912 | 1 | |
| Kansan Näyttämö | Kansan Näyttämö | Finland, Helsinki | 1908-03-19 | -- | 1908–1930 | 6 | |
| Koiton Näyttämö | Koiton Näyttämö | Finland, Helsinki | 1922-01-06 | -- | 1922–1930 | 2 | |
| Kulttuuritehdas Korjaamo | Kulttuuritehdas Korjaamo | Finland, Helsinki | -- | -- | | | |
| Kino Helsinki | Kino Helsinki | Finland, Helsinki | 2000-03-29 | 2000-04-13 | 2000 | 1 | |
| Korjaamo Teatteri | Korjaamo Teatteri | Finland, Helsinki, Töölönkatu 51 a-b | 2016-08-23 | 2016-08-24 | 2016 | 1 | |
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