| Kisértetek, 19081017 | Kisértetek | 19081017 | 17th October 1908 | Budapest | Budapest | Hungary | |
| Kämparna på Helgeland, 19280322 | Kämparna på Helgeland | 19280322 | 22nd March 1928 | Helsingborgs Stadsteater | Helsingborgs Stadsteater | Sweden | |
| Kämparne på Helgeland, 18770112 | Kämparne på Helgeland | 18770112 | 12th January 1877 | Åbo Svenska Teater | Åbo Svenska Teater | Finland | |
| Kärlekens komedi, 18951207 | Kärlekens komedi | 18951207 | 7th December 1895 | Theatret i Trondheim | Theatret i Trondheim | Norway | |
| Kísértetek, 19221215 | Kísértetek | 19221215 | 15th December 1922 | Kolozsvári Állami Magyar Színház | Kolozsvári Állami Magyar Színház | Romania | |
| Komödie der Liebe, 19120903 | Komödie der Liebe | 19120903 | 3rd September 1912 | Thalia-Theater | Thalia-Theater | Germany | |
| Kongs-emnerne, 18691214 | Kongs-emnerne | 18691214 | 14th December 1869 | Christiania Theater | Christiania Theater | Norway | |
| Kleine Eyolf, 20000422 | Kleine Eyolf | 20000422 | 22nd April 2000 | Theater de Tamboer | Theater de Tamboer | Netherlands | |
| Kjærlighedens Komedie, 18811005 | Kjærlighedens Komedie | 18811005 | 5th October 1881 | Christiania Theater | Christiania Theater | Norway | |
| Kukol'nyj dom, 194809 | Kukol'nyj dom (A Doll's House) | 194809 | September 1948 | Oblastnoi dramatičeskij teatr | Oblastnoi dramatičeskij teatr | Russia | |
| Kísértetek, 19140212 | Kísértetek | 19140212 | 12th February 1914 | Békéscsaba | Békéscsaba | Hungary | |
| Kísértetek, 19120924 | Kísértetek | 19120924 | 24th September 1912 | Trnava | Trnava | Slovak Republic | |
| Kleine Eyolf, 20120530 | Kleine Eyolf | 20120530 | 30th May 2012 | Nationale Toneel Gebouw | Nationale Toneel Gebouw | Netherlands | |
| Klassikere på druen: Vildanden, 20220610 | Klassikere på druen: Vildanden | 20220610 | 10th June 2022 | SALT art & music | SALT art & music | Norway | |
| Kísértetek, 19030219 | Kísértetek | 19030219 | 19th February 1903 | Senta | Senta | Serbia | |
| Klein Eyolf, 19030923 | Klein Eyolf | 19030923 | 23rd September 1903 | Metropol-Theater | Metropol-Theater | Germany | |
| Kansanvihollinen, 19660414 | Kansanvihollinen | 19660414 | 14th April 1966 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri | Finland | |
| kouklospito, Ena, 19950111 | Ena kouklospito | 19950111 | 11th January 1995 | | Dimotiko Theatro Veroias | Greece | |
| Kukol'nyj dom, 19850122 | Kukol'nyj dom (A Doll's House) | 19850122 | 22nd January 1985 | | | | |
| Kísértetek, 19110413 | Kísértetek | 19110413 | 13th April 1911 | Făgăraș | Făgăraș | Romania | |
| Kämparne på Helgeland, 18800320 | Kämparne på Helgeland | 18800320 | 20th March 1880 | Nya Teatern | Nya Teatern | Finland | |
| Kísértetek, 19250207 | Kísértetek | 19250207 | 7th February 1925 | Tapolca | Tapolca | Hungary | |
| Kärlekens komedi, 19040920 | Kärlekens komedi | 19040920 | 20th September 1904 | Stora Teatern | Stora Teatern | Sweden | |
| Kærlighedens Komedie, 19280731 | Kærlighedens Komedie | 19280731 | 31st July 1928 | Centralteatret | Centralteatret | Norway | |
| Kuninkaanalut, 18820314 | Kuninkaanalut | 18820314 | 14th March 1882 | Suomalainen Teatteri | Suomalainen Teatteri | Finland | |
| Kísértetek, 19220413 | Kísértetek | 19220413 | 13th April 1922 | Városi Színház | Városi Színház | Hungary | |
| Komödie der Liebe, 19080527 | Komödie der Liebe | 19080527 | 27th May 1908 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kukol'nyj dom, 19590426 | Kukol´nyj dom | 19590426 | 26th April 1959 | Teatr imeni Mossoveta | Teatr imeni Mossoveta | Russia | |
| Kleine Eyolf, 20000407 | Kleine Eyolf | 20000407 | 7th April 2000 | Chassé Theater | Chassé Theater | Netherlands | |
| Kukol'nyj dom, 194010 | Kukol'nyj dom (A Doll's House) | 194010 | October 1940 | Uljanovskij dramatičeskij teatr | Uljanovskij dramatičeskij teatr | Russia | |
| Kísértetek, 19130113 | Kísértetek | 19130113 | 13th January 1913 | Čadca | Čadca | Slovak Republic | |
| Kísértetek, 19111123 | Kísértetek | 19111123 | 23rd November 1911 | Senta | Senta | Serbia | |
| Kärlekens komedi, 18900217 | Kärlekens komedi | 18900217 | 17th February 1890 | Malmö Teater | Malmö Teater | Sweden | |
| Kísértetek, 18991010 | Kísértetek | 18991010 | 10th October 1899 | Pécs | Pécs | Hungary | |
| Kungsämnena, 18980902 | Kungsämnena | 18980902 | 2nd September 1898 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19501031 | Kísértetek | 19501031 | 31st October 1950 | Narodno pozorište Subotica (Szabadkai Népszínház) | Narodno pozorište Subotica (Szabadkai Népszínház) | Serbia | |
| Kronprätendenten, Die, 19111028 | Die Kronprätendenten | 19111028 | 28th October 1911 | Großherzogliches Hoftheater Weimar | Großherzogliches Hoftheater Weimar | Germany | |
| Klein Eyolf, 19150222 | Klein Eyolf | 19150222 | 22nd February 1915 | Stadttheater Bern | Stadttheater Bern | Switzerland | |
| Kummitused, 19350912 | Kummitused | 19350912 | 12th September 1935 | Eesti Draamateater | Eesti Draamateater | Estonia | |
| Kämparne på Helgeland, 18780227 | Kämparne på Helgeland | 18780227 | 27th February 1878 | Nya Teatern | Nya Teatern | Finland | |
| Kísértetek, 19270217 | Kísértetek | 19270217 | 17th February 1927 | Sopron | Sopron | Hungary | |
| Kongs-Emnerne, 19001010 | Kongs-Emnerne | 19001010 | 10th October 1900 | Nationaltheatret | Nationaltheatret | Norway | |
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