| Kísértetek, 19260911 | Kísértetek | 19260911 | 11th September 1926 | Békéscsaba | Békéscsaba | Hungary | |
| Kämparne på Helgeland, 18760918 | Kämparne på Helgeland | 18760918 | 18th September 1876 | Falu Teater | Falu Teater | Sweden | |
| Kansanvihollinen, 19811114 | Kansanvihollinen | 19811114 | 14th November 1981 | Kemin Kaupunginteatteri | Kemin Kaupunginteatteri | Finland | |
| Kongs-Emnerne, 18710111 | Kongs-Emnerne | 18710111 | 11th January 1871 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kummittelijoita, 1946 | Kummittelijoita | 1946 | 1946 | Tanssiteatteri ERI | Tanssiteatteri ERI | Finland | |
| Kísértetek, 19450630 | Kísértetek | 19450630 | 30th June 1945 | Arad | Arad | Romania | |
| Kísértetek, 18991010 | Kísértetek | 18991010 | 10th October 1899 | Pécs | Pécs | Hungary | |
| Kukol'nyj dom, 20080411 | Kukol'nyj dom | 20080411 | 11th April 2008 | | Teatr Junych Zritelej | Russia | |
| Kísértetek, 19250121 | Kísértetek | 19250121 | 21st January 1925 | Miskolc | Miskolc | Hungary | |
| Kukol'nyj dom, 19220420 | Kukol'nyj dom (A Doll's House) | 19220420 | 20th April 1922 | Teatr RSFSR | Теatr RSFSR | Russia | |
| Kongsemnerne, 19730829 | Kongsemnerne | 19730829 | 29th August 1973 | Nationaltheatret | Nationaltheatret | Norway | |
| Kongsemnerne (opplesning), 20060509 | Kongsemnerne (opplesning) | 20060509 | 9th May 2006 | Håkonshallen | Håkonshallen | Norway | |
| Kämparne på Helgeland, 18760228 | Kämparne på Helgeland | 18760228 | 28th February 1876 | Malmö Teater | Malmö Teater | Sweden | |
| Kísértetek, 19131017 | Kísértetek | 19131017 | 17th October 1913 | Hunedoara | Hunedoara | Romania | |
| Kärlekens komedi, 19040920 | Kärlekens komedi | 19040920 | 20th September 1904 | Stora Teatern | Stora Teatern | Sweden | |
| Komödie der Liebe, 19130204 | Komödie der Liebe | 19130204 | 4th February 1913 | Königliches Schauspielhaus | Königliches Schauspielhaus | Germany | |
| Kronprätendenten, Die, 19180103 | Die Kronprätendenten | 19180103 | 3rd January 1918 | Stadttheater Basel | Stadttheater Basel | Switzerland | |
| Kísértetek, 19070201 | Kísértetek | 19070201 | 1st February 1907 | Lugoj | Lugoj | Romania | |
| Komödie der Liebe, 19000714 | Komödie der Liebe | 19000714 | 14th July 1900 | Theater in der Josefstadt | Theater in der Josefstadt | Austria | |
| Kärlekens komedi, 19190428 | Kärlekens komedi | 19190428 | 28th April 1919 | Nya Teatern | Nya Teatern | Sweden | |
| Kísértetek, 1920 | Kísértetek | 1920 | 1920 | Budapest | Budapest | Hungary | |
| Kronprätendenten, Die, 18950219 | Die Kronprätendenten | 18950219 | 19th February 1895 | K. K. Hofburgtheater | K. K. Hofburgtheater | Austria | |
| Kogda my, myortvye, voskresnem?, 1918 | Kogda my, myortvye, voskresnem? | 1918 | 1918 | Russia | Russia | Russia | |
| Kísértetek, 19120326 | Kísértetek | 19120326 | 26th March 1912 | Novi Sad | Novi Sad | Serbia | |
| Když my mrtví procitneme, 20060523 | Když my mrtví procitneme | 20060523 | 23rd May 2006 | Český rozhlas (Czech Radio) | Český rozhlas (Czech Radio) | Czech Republic | |
| Kísértetek, 19261218 | Kísértetek | 19261218 | 18th December 1926 | Törökszentmiklós | Törökszentmiklós | Hungary | |
| Kogda my, mertvye, probuzdaemsja, 1902 | Kogda my, mertvye, probuzdaemsja (When We Dead Awaken) | 1902 | 1902 | Kostroma | Kostroma | Russia | |
| Kobieta z morza - Susan Sontag na podstawie sztuki Henryka Ibsena, 20060121 | Kobieta z morza - Susan Sontag na podstawie sztuki Henryka Ibsena | 20060121 | 21st January 2006 | Teatro Cervantes | Teatro Cervantes | Spain | |
| Kronprätendenten, Die, 19340120 | Die Kronprätendenten | 19340120 | 20th January 1934 | Stadttheater Bochum | Stadttheater Bochum | Germany | |
| Kísértetek, 19221221 | Kísértetek | 19221221 | 21st December 1922 | Körmend | Körmend | Hungary | |
| Kummittelijoita, 19030201 | Kummittelijoita | 19030201 | 1st February 1903 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri | Finland | |
| Kísértetek, 19120924 | Kísértetek | 19120924 | 24th September 1912 | Trnava | Trnava | Slovak Republic | |
| Kongsemnerne, 19500518 | Kongsemnerne | 19500518 | 18th May 1950 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kongs-Emnerne, 19001010 | Kongs-Emnerne | 19001010 | 10th October 1900 | Nationaltheatret | Nationaltheatret | Norway | |
| Kísértetek, 19130213 | Kísértetek | 19130213 | 13th February 1913 | Debrecen | Debrecen | Hungary | |
| Klein Eyolf, 19081127 | Klein Eyolf | 19081127 | 27th November 1908 | Stadsschouwburg Amsterdam | Stadsschouwburg Amsterdam | Netherlands | |
| Klein Eyolf, 19150222 | Klein Eyolf | 19150222 | 22nd February 1915 | Stadttheater Bern | Stadttheater Bern | Switzerland | |
| Kísértetek, 19030219 | Kísértetek | 19030219 | 19th February 1903 | Senta | Senta | Serbia | |
| Klein Eyolf, 20070204 | Klein Eyolf | 20070204 | 4th February 2007 | Maxim Gorki Theater | Maxim Gorki Theater | Germany | |
| Kuklen dom, 20120831 | Kuklen dom | 20120831 | 31st August 2012 | | Sozopol | Bulgaria | |
| Kísértetek, 19250129 | Kísértetek | 19250129 | 29th January 1925 | Kaposvár | Kaposvár | 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 | |
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