| kyra tis thalassas, I, 194002 | I kyra tis thalassas | 194002 | February 1940 | Theatro Rex | Theatro Rex | Greece | |
| Konsul Bernick, 19690414 | Konsul Bernick | 19690414 | 14th April 1969 | Poland | Poland | Poland | |
| Kukol'nyj dom, 196411 | Kukol'nyj dom (A Doll's House) | 196411 | November 1964 | Ufimskij ruskii dramatičeskij teatr | Ufimskij ruskii dramatičeskij teatr | Russia | |
| Kísértetek, 191802 | Kísértetek | 191802 | February 1918 | Mukačeve | Mukačeve | Ukraine | |
| Kronprätendenten, Die, 18950219 | Die Kronprätendenten | 18950219 | 19th February 1895 | K. K. Hofburgtheater | K. K. Hofburgtheater | Austria | |
| Kukol'nyj dom, 20080411 | Kukol'nyj dom | 20080411 | 11th April 2008 | | Teatr Junych Zritelej | Russia | |
| Kämparne på Helgeland, 18760412 | Kämparne på Helgeland | 18760412 | 12th April 1876 | Mindre Teatern | Mindre Teatern | Sweden | |
| Kísértetek, 19121109 | Kísértetek | 19121109 | 9th November 1912 | Žilina | Žilina | Slovak Republic | |
| Když my mrtví procitneme, 20060523 | Když my mrtví procitneme | 20060523 | 23rd May 2006 | Český rozhlas (Czech Radio) | Český rozhlas (Czech Radio) | Czech Republic | |
| Klein Eyolf, 18950227 | Klein Eyolf | 18950227 | 27th February 1895 | Stadttheater Heidelberg | Stadttheater Heidelberg | Germany | |
| Konsertant Peer Gynt av Edvard Grieg. Tekst av Henrik Ibsen, 20040603 | Konsertant Peer Gynt av Edvard Grieg. Tekst av Henrik Ibsen | 20040603 | 3rd June 2004 | Madrid | Madrid | Spain | |
| Kansan vihollinen, 1963 | Kansan vihollinen | 1963 | 1963 | Oulun Kaupunginteatteri | Oulun Kaupunginteatteri | Finland | |
| Kísértetek, 19060307 | Kísértetek | 19060307 | 7th March 1906 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kärlekens komedi, 18901020 | Kärlekens komedi | 18901020 | 20th October 1890 | Stora Teatern | Stora Teatern | Sweden | |
| Kísértetek, 19270727 | Kísértetek | 19270727 | 27th July 1927 | Cluj-Napoca | Cluj-Napoca | Romania | |
| Komödie der Liebe, 19161229 | Komödie der Liebe | 19161229 | 29th December 1916 | Großherzogliches Hof-Theater Darmstadt | Großherzogliches Hof-Theater Darmstadt | Germany | |
| Kongsemnerne, 19500518 | Kongsemnerne | 19500518 | 18th May 1950 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kukol'nyj dom, 19381005 | Kukol'nyj dom | 19381005 | 5th October 1938 | Moskovskij dramatieeskij teatr imeni N. Baumana | Moskovskij dramatieeskij teatr imeni N. Baumana | Russia | |
| Komödie der Liebe, 19000714 | Komödie der Liebe | 19000714 | 14th July 1900 | Theater in der Josefstadt | Theater in der Josefstadt | Austria | |
| Kronprätendenten, Die, 18760603 | Die Kronprätendenten | 18760603 | 3rd June 1876 | Friedrich-Wilhelmstädtisches Theater | Friedrich-Wilhelmstädtisches Theater | Germany | |
| Kísértetek, 19240612 | Kísértetek | 19240612 | 12th June 1924 | Pécs | Pécs | Hungary | |
| Klein Eyolf, 20070204 | Klein Eyolf | 20070204 | 4th February 2007 | Maxim Gorki Theater | Maxim Gorki Theater | Germany | |
| Kis Eyolf, 18991012 | Kis Eyolf | 18991012 | 12th October 1899 | Vígszínház | Vígszínház | Hungary | |
| Kjærlighedens komedie, 19180920 | Kjærlighedens komedie | 19180920 | 20th September 1918 | Nationale Scene, Den | Den Nationale Scene | Norway | |
| Klein Eyolf, 18950517 | Klein Eyolf | 18950517 | 17th May 1895 | Theater am Stadtpark | Theater am Stadtpark | Austria | |
| Kukol'nyj dom, 195605 | Kukol'nyj dom (A Doll's House) | 195605 | May 1956 | Moscow | Moscow | Russia | |
| Kísértetek, 19140601 | Kísértetek | 19140601 | 1st June 1914 | Prešov | Prešov | Slovak Republic | |
| Klein Eyolf, 18950117 | Klein Eyolf | 18950117 | 17th January 1895 | Grand Théâtre | Grand Théâtre | Netherlands | |
| Kísértetek, 19360130 | Kísértetek | 19360130 | 30th January 1936 | Celldömölk | Celldömölk | Hungary | |
| Kronprätendenten, Die, 19310527 | Die Kronprätendenten | 19310527 | 27th May 1931 | Burgtheater | Burgtheater | Austria | |
| Klein Eyolf, 19171222 | Klein Eyolf | 19171222 | 22nd December 1917 | K. K. Hofburgtheater | K. K. Hofburgtheater | Austria | |
| Kísértetek, 19120425 | Kísértetek | 19120425 | 25th April 1912 | Nitra | Nitra | Slovak Republic | |
| Kjæmpehøien, 18540102 | Kjæmpehøien | 18540102 | 2nd January 1854 | Komediehuset | Komediehuset | Norway | |
| Kísértetek, 19261010 | Kísértetek | 19261010 | 10th October 1926 | Szeghalom | Szeghalom | Hungary | |
| Kærlighedens Komedie, 19480907 | Kærlighedens Komedie | 19480907 | 7th September 1948 | Det Gamle Teater | Det Gamle Teater | Norway | |
| Kísértetek, 19011121 | Kísértetek | 19011121 | 21st November 1901 | Miskolc | Miskolc | Hungary | |
| Kungsämnena, 18860225 | Kungsämnena | 18860225 | 25th February 1886 | Nya Teatern | Nya Teatern | Sweden | |
| Kísértetek, 19200205 | Kísértetek | 19200205 | 5th February 1920 | Békéscsaba | Békéscsaba | Hungary | |
| Kísértetek, 20160930 | Kísértetek | 20160930 | 30th September 2016 | Weöres Sándor Színház | Weöres Sándor Színház | Hungary | |
| Kuklen dom, 20120831 | Kuklen dom | 20120831 | 31st August 2012 | | Sozopol | Bulgaria | |
| Kjærlighedens Komedie, 18750823 | Kjærlighedens Komedie | 18750823 | 23rd August 1875 | Christiania Theater | Christiania Theater | Norway | |
| Kísértetek, 19221215 | Kísértetek | 19221215 | 15th December 1922 | Kolozsvári Állami Magyar Színház | Kolozsvári Állami Magyar Színház | Romania | |
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