| Komödie der Liebe, 19171002 | Komödie der Liebe | 19171002 | 2nd October 1917 | Stadttheater Bern | Stadttheater Bern | Switzerland | |
| kouklospito, Ena, 19950205 | Ena kouklospito | 19950205 | 5th February 1995 | | Dimotiko Theatro Siatistas | Greece | |
| Kogda my, myortvye, voskresnem?, 1918 | Kogda my, myortvye, voskresnem? | 1918 | 1918 | Russia | Russia | Russia | |
| Kleine Eyolf, 20120530 | Kleine Eyolf | 20120530 | 30th May 2012 | Nationale Toneel Gebouw | Nationale Toneel Gebouw | Netherlands | |
| Kísértetek, 19101003 | Kísértetek | 19101003 | 3rd October 1910 | Mezőkövesd | Mezőkövesd | Hungary | |
| Kísértetek, 19331004 | Kísértetek | 19331004 | 4th October 1933 | Cegléd | Cegléd | Hungary | |
| Kaptein Alvings minne, 20000406 | Kaptein Alvings minne | 20000406 | 6th April 2000 | Chateau Neuf Teaterscenen | Chateau Neuf Teaterscenen | Norway | |
| Kogda my, mertvye, probuzdaemsja, 1902 | Kogda my, mertvye, probuzdaemsja (When We Dead Awaken) | 1902 | 1902 | Kostroma | Kostroma | Russia | |
| Kansanvihollinen, 19660414 | Kansanvihollinen | 19660414 | 14th April 1966 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri | Finland | |
| Kísértetek, 19260627 | Kísértetek | 19260627 | 27th June 1926 | Gyöngyös | Gyöngyös | Hungary | |
| Kongsemnerne, 18790202 | Kongsemnerne | 18790202 | 2nd February 1879 | Komediehuset | Komediehuset | Norway | |
| Kísértetek, 19121008 | Kísértetek | 19121008 | 8th October 1912 | Lučenec | Lučenec | Slovak Republic | |
| Kis Eyolf, 19321219 | Kis Eyolf | 19321219 | 19th December 1932 | Győr | Győr | Hungary | |
| Kummittelijoita, 19030201 | Kummittelijoita | 19030201 | 1st February 1903 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri | Finland | |
| Kaiser und Galiläer, 19330314 | Kaiser und Galiläer | 19330314 | 14th March 1933 | Stadttheater Bochum | Stadttheater Bochum | Germany | |
| Kísértetek, 19110509 | Kísértetek | 19110509 | 9th May 1911 | Odorheiu Secuiesc | Odorheiu Secuiesc | Romania | |
| Komedia Miłości, 19130214 | Komedia Miłości | 19130214 | 14th February 1913 | Teatr Miejski | Teatr Miejski | Ukraine | |
| Kleine Eyolf, 20000407 | Kleine Eyolf | 20000407 | 7th April 2000 | Chassé Theater | Chassé Theater | Netherlands | |
| Kísértetek, 19131204 | Kísértetek | 19131204 | 4th December 1913 | Sopron | Sopron | Hungary | |
| Kukol'nyj dom, 19401029 | Kukol'nyj dom (A Doll's House) | 19401029 | 29th October 1940 | Gorodskoj dramatičeski teatr Kimry | Gorodskoj dramatičeski teatr Kimry | Russia | |
| Klein Eyolf, 19110916 | Klein Eyolf | 19110916 | 16th September 1911 | Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany | |
| Kronprätendenten, Die, 19150129 | Die Kronprätendenten | 19150129 | 29th January 1915 | Altonaer Stadttheater | Altonaer Stadttheater | Germany | |
| Kuklen dom, 19811211 | Kuklen dom | 19811211 | 11th December 1981 | | Dramatitschen teatar Vraza | Bulgaria | |
| Kogato nie, martvite, se probudim, 19941108 | Kogato nie, martvite, se probudim | 19941108 | 8th November 1994 | Tschitalischte Slavjanska | The Lounge of Tschitalischte Slavjanska besseda | Bulgaria | |
| Kísértetek, 19080617 | Kísértetek | 19080617 | 17th June 1908 | Mohács | Mohács | Hungary | |
| Kísértetek, 19300206 | Kísértetek | 19300206 | 6th February 1930 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kärlekens komedi, 18900128 | Kärlekens komedi | 18900128 | 28th January 1890 | Teatern i Lund | Teatern i Lund | Sweden | |
| Kísértetek, 19501031 | Kísértetek | 19501031 | 31st October 1950 | Narodno pozorište Subotica (Szabadkai Népszínház) | Narodno pozorište Subotica (Szabadkai Népszínház) | Serbia | |
| Kísértetek, 19241018 | Kísértetek | 19241018 | 18th October 1924 | Užhorod | Užhorod | Ukraine | |
| Kummitused, 19350912 | Kummitused | 19350912 | 12th September 1935 | Eesti Draamateater | Eesti Draamateater | Estonia | |
| Kjærlighedens Komedie, 18840224 | Kjærlighedens Komedie | 18840224 | 24th February 1884 | Christiania Theater | Christiania Theater | Norway | |
| Kísértetek, 191211 | Kísértetek | 191211 | November 1912 | Pančevo | Pančevo | Serbia | |
| Kansanvihollinen, 19880413 | Kansanvihollinen | 19880413 | 13th April 1988 | Joensuun Kaupunginteatteri | Joensuun Kaupunginteatteri | Finland | |
| Kaiser und Galiläer. II. Teil: Julian, 19240930 | Kaiser und Galiläer. II. Teil: Julian | 19240930 | 30th September 1924 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kongsemnerne minutt for minutt, 20160916 | Kongsemnerne minutt for minutt | 20160916 | 16th September 2016 | Nationaltheatret Publikumsfoajéen | Nationaltheatret Publikumsfoajéen | Norway | |
| Kísértetek, 19101024 | Kísértetek | 19101024 | 24th October 1910 | Şimleu Silvaniei | Şimleu Silvaniei | Romania | |
| Kjæmpehøien, 20060623 | Kjæmpehøien | 20060623 | 23rd June 2006 | Stiklestad Nasjonale Kultursenter | Stiklestad Nasjonale Kultursenter | Norway | |
| Kukol'nyj dom, 19220420 | Kukol'nyj dom (A Doll's House) | 19220420 | 20th April 1922 | Teatr RSFSR | Теatr RSFSR | Russia | |
| kyra tis thalassas, I, 19890522 | I kyra tis thalassas | 19890522 | 22nd May 1989 | ERT A’ Programma Radio | ERT A’ Programma Radio | Greece | |
| Kansanvihollinen, 19811114 | Kansanvihollinen | 19811114 | 14th November 1981 | Kemin Kaupunginteatteri | Kemin Kaupunginteatteri | Finland | |
| Kis Eyolf, 19330623 | Kis Eyolf | 19330623 | 23rd June 1933 | Pécs | Pécs | Hungary | |
| Kísértetek, 19280608 | Kísértetek | 19280608 | 8th June 1928 | Subotica | Subotica | Serbia | |
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