| Keiser og Galilæer. 1ste Del: Cæsars Frafald, 19030610 | Keiser og Galilæer. 1ste Del: Cæsars Frafald | 19030610 | 10th June 1903 | Kongliga Dramatiska Teatern | Kongliga Dramatiska Teatern | Sweden | |
| Kukol'nyj dom, 195504 | Kukol'nyj dom (A Doll's House) | 195504 | April 1955 | Dramatičeskij teatr imeni A. Čehova | Dramatičeskij teatr imeni A. Čehova (Chekhov Drama Theatre) | Russia | |
| Kísértetek, 191211 | Kísértetek | 191211 | November 1912 | Pančevo | Pančevo | Serbia | |
| Kísértetek, 19350224 | Kísértetek | 19350224 | 24th February 1935 | Nemzeti Színház | Nemzeti Színház | Hungary | |
| Komödie der Liebe, 19120903 | Komödie der Liebe | 19120903 | 3rd September 1912 | Thalia-Theater | Thalia-Theater | Germany | |
| Kämparne på Helgeland, 18860312 | Kämparne på Helgeland | 18860312 | 12th March 1886 | Teater i Ernsts Hotell | Teater i Ernsts Hotell | Finland | |
| Klein Eyolf, 18950302 | Klein Eyolf | 18950302 | 2nd March 1895 | Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany | |
| Klein Eyolf, 19081028 | Klein Eyolf | 19081028 | 28th October 1908 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kærlighedens Komedie, 19280320 | Kærlighedens Komedie | 19280320 | 20th March 1928 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kronprätendenten, Die, 18920507 | Die Kronprätendenten | 18920507 | 7th May 1892 | Stadttheater Breslau | Stadttheater Breslau | Poland | |
| Kjærlighetens komedie, 20060917 | Kjærlighetens komedie | 20060917 | 17th September 2006 | NRK P2 (Norge) | NRK P2 (Norge) | Norway | |
| Kongsemnene, 19790526 | Kongsemnene | 19790526 | 26th May 1979 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kjærlighedens Komedie, 19090517 | Kjærlighedens Komedie | 19090517 | 17th May 1909 | Theatret i Tromsø | Theatret i Tromsø | Norway | |
| Kukol'nyj dom, 198009 | Kukol'nyj dom (A Doll's House) | 198009 | September 1980 | Oblastnoj teatr dramy | Oblastnoj teatr dramy | Russia | |
| Kjærlighetens komedie, 19560830 | Kjærlighetens komedie | 19560830 | 30th August 1956 | Nationaltheatret | Nationaltheatret | Norway | |
| Kísértetek, 19241018 | Kísértetek | 19241018 | 18th October 1924 | Užhorod | Užhorod | Ukraine | |
| Kísértetek, 19011121 | Kísértetek | 19011121 | 21st November 1901 | Miskolc | Miskolc | Hungary | |
| Khelaghar, 20190707 | Khelaghar | 20190707 | 7th July 2019 | Baltimore Convention Centre | Baltimore Convention Centre | United States | |
| Kongs-Emnerne, 18991015 | Kongs-Emnerne | 18991015 | 15th October 1899 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kongs-emnerne, 20040910 | Kongs-emnerne | 20040910 | 10th September 2004 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kísértetek, 19171021 | Kisértetek | 19171021 | 21st October 1917 | Budai Színkör | Budai Színkör | Hungary | |
| Kansanvihollinen, 19171204 | Kansanvihollinen | 19171204 | 4th December 1917 | Suomen Kansallisteatteri | Suomen Kansallisteatteri | Finland | |
| Kongsemnerne, 19210915 | Kongsemnerne | 19210915 | 15th September 1921 | Trondhjems Nationale Scene | Trondhjems Nationale Scene | Norway | |
| Kísértetek, 19110309 | Kísértetek | 19110309 | 9th March 1911 | Satu Mare | Satu Mare | Romania | |
| Kísértetek, 19300412 | Kísértetek | 19300412 | 12th April 1930 | Kecskemét | Kecskemét | Hungary | |
| Komödie der Liebe, 19080527 | Komödie der Liebe | 19080527 | 27th May 1908 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kleine Eyolf, 20000323 | Kleine Eyolf | 20000323 | 23rd March 2000 | Het Witte Theater | Het Witte Theater | Netherlands | |
| Kísértetek, 19080617 | Kísértetek | 19080617 | 17th June 1908 | Mohács | Mohács | Hungary | |
| Kærlighedens Komedie, 19280322 | Kærlighedens Komedie | 19280322 | 22nd March 1928 | Tønsberg | Tønsberg | Norway | |
| Kaiser und Galiläer. I. Teil: Cäsars Abfall, 19080301 | Kaiser und Galiläer. I. Teil: Cäsars Abfall | 19080301 | 1st March 1908 | Schiller-Theater Charlottenburg | Schiller-Theater Charlottenburg | Germany | |
| Kísértetek, 19200928 | Kísértetek | 19200928 | 28th September 1920 | Makó | Makó | Hungary | |
| Kísértetek, 19140207 | Kísértetek | 19140207 | 7th February 1914 | Abrud | Abrud | Romania | |
| Kämparne på Helgeland, 18760920 | Kämparne på Helgeland | 18760920 | 20th September 1876 | Sundsvall | Sundsvall | Sweden | |
| kouklospito, Ena, 19950216 | Ena kouklospito | 19950216 | 16th February 1995 | | Dimotiko Theatro Plateos | Greece | |
| Kísértetek, 19461123 | Kísértetek | 19461123 | 23rd November 1946 | Csokonai Színház Irodalmi Színpad | Csokonai Színház Irodalmi Színpad | Hungary | |
| Kongsemnerne, 18790202 | Kongsemnerne | 18790202 | 2nd February 1879 | Komediehuset | Komediehuset | Norway | |
| Kronprätendenten, Die, 19340120 | Die Kronprätendenten | 19340120 | 20th January 1934 | Stadttheater Bochum | Stadttheater Bochum | Germany | |
| Klein Eyolf, 18950422 | Klein Eyolf | 18950422 | 22nd April 1895 | Volkstheater | Volkstheater | Germany | |
| Kleine Eyolf, 20000427 | Kleine Eyolf | 20000427 | 27th April 2000 | Posthuis Theater | Posthuis Theater | Netherlands | |
| Kísértetek, 19250429 | Kísértetek | 19250429 | 29th April 1925 | Győr | Győr | Hungary | |
| Kísértetek, 19101024 | Kísértetek | 19101024 | 24th October 1910 | Şimleu Silvaniei | Şimleu Silvaniei | Romania | |
| Kongsemnerne, 19620523 | Kongsemnerne | 19620523 | 23rd May 1962 | Nationale Scene, Den | Den Nationale Scene | Norway | |
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