| Kísértetek, 19111123 | Kísértetek | 19111123 | 23rd November 1911 | Senta | Senta | Serbia | |
| Kísértetek, 19650401 | Kísértetek | 19650401 | 1st April 1965 | Sepsiszentgyörgyi Állami Magyar Színház | Sepsiszentgyörgyi Állami Magyar Színház | Romania | |
| Komödie der Liebe, 19000915 | Komödie der Liebe | 19000915 | 15th September 1900 | Sezessionsbühne | Sezessionsbühne | Germany | |
| Kísértetek, 18911103 | Kísértetek | 18911103 | 3rd November 1891 | Sfântu Gheorghe | Sfântu Gheorghe | Romania | |
| Korolevstvo – na stol!, 19981022 | Korolevstvo – na stol! (Kingdom on the table! / Королевство – на стол!) | 19981022 | 22nd October 1998 | Sfera teatr | Sfera teatr | Russia | |
| Kuilei jiating, 192505 | Kuilei jiating (A Doll's House / 傀儡家庭) | 192505 | May
1925 | Shanghai Theatre Association | Shanghai Theatre Association
(Shanghai xiju xieshe) | China | |
| Kai mes mirę nubusim, 20110225 | Kai mes mirę nubusim | 20110225 | 25th February 2011 | Šiaulių dramos teatras | Šiaulių dramos teatras | Lithuania | |
| Kísértetek, 19101024 | Kísértetek | 19101024 | 24th October 1910 | Şimleu Silvaniei | Şimleu Silvaniei | Romania | |
| Kærlighedens Komedie, 19280320 | Kærlighedens Komedie | 19280320 | 20th March 1928 | Skien | Skien | Norway | |
| Ko se mrtvi prebudimo, 20240313 | Ko se mrtvi prebudimo | 20240313 | 13th March 2024 | Slovensko narodno gledalisče Nova Gorica | Slovensko narodno gledalisče Nova Gorica | Slovenia | |
| Kukol'nyj dom, 195405 | Kukol'nyj dom (A Doll's House / Кукольный дом) | 195405 | May
1954 | Smolensk | Smolensk | Russia | |
| Kuklen dom, 20120307 | Kuklen dom | 20120307 | 7th March 2012 | | Smolyan | Bulgaria | |
| Kuklen dom, 20120319 | Kuklen dom | 20120319 | 19th March 2012 | Sofia | Sofia | Bulgaria | |
| Kísértetek, 19030113 | Kísértetek | 19030113 | 13th January 1903 | Sombor | Sombor | Serbia | |
| Komödie der Liebe, 19000713 | Komödie der Liebe | 19000713 | 13th July 1900 | Somossy-Mulató | Somossy-Mulató | Hungary | |
| Klein Eyolf, 18961223 | Klein Eyolf | 18961223 | 23rd December 1896 | Somossy-Mulató | Somossy-Mulató | Hungary | |
| Kis Eyolf, 19330301 | Kis Eyolf | 19330301 | 1st March 1933 | Sopron | Sopron | Hungary | |
| Kísértetek, 19131204 | Kísértetek | 19131204 | 4th December 1913 | Sopron | Sopron | Hungary | |
| Kísértetek, 19191126 | Kísértetek | 19191126 | 26th November 1919 | Sopron | Sopron | Hungary | |
| Kísértetek, 19250411 | Kísértetek | 19250411 | 11th April 1925 | Sopron | Sopron | Hungary | |
| Kísértetek, 19270217 | Kísértetek | 19270217 | 17th February 1927 | Sopron | Sopron | Hungary | |
| Kísértetek, 19320406 | Kísértetek | 19320406 | 6th April 1932 | Sopron | Sopron | Hungary | |
| Kuklen dom, 20120831 | Kuklen dom | 20120831 | 31st August 2012 | | Sozopol | Bulgaria | |
| Kärlekens komedi, 18950306 | Kärlekens komedi | 18950306 | 6th March 1895 | St. Petersburg | St. Petersburg | Russia | |
| Klein Eyolf, 19081127 | Klein Eyolf | 19081127 | 27th November 1908 | Stadsschouwburg Amsterdam | Stadsschouwburg Amsterdam | Netherlands | |
| Kleine Eyolf, 19280313 | Kleine Eyolf | 19280313 | 13th March 1928 | Stadsschouwburg Amsterdam | Stadsschouwburg Amsterdam | Netherlands | |
| Klein Eyolf, 18950122 | Klein Eyolf | 18950122 | 22nd January 1895 | Stadsschouwburg Haarlem | Stadsschouwburg Haarlem | Netherlands | |
| Kleine Eyolf, 20000326 | Kleine Eyolf | 20000326 | 26th March 2000 | Stadsschouwburg Utrecht | Stadsschouwburg Utrecht | Netherlands | |
| Kleine Eyolf, 20000322 | Kleine Eyolf | 20000322 | 22nd March 2000 | Stadstheater | Stadstheater | Netherlands | |
| Kronprätendenten, Die, 19180103 | Die Kronprätendenten | 19180103 | 3rd January 1918 | Stadttheater Basel | Stadttheater Basel | Switzerland | |
| Klein Eyolf, 19150222 | Klein Eyolf | 19150222 | 22nd February 1915 | Stadttheater Bern | Stadttheater Bern | Switzerland | |
| Komödie der Liebe, 19171002 | Komödie der Liebe | 19171002 | 2nd October 1917 | Stadttheater Bern | Stadttheater Bern | Switzerland | |
| Kaiser und Galiläer, 19330314 | Kaiser und Galiläer | 19330314 | 14th March 1933 | Stadttheater Bochum | Stadttheater Bochum | Germany | |
| Kronprätendenten, Die, 19340120 | Die Kronprätendenten | 19340120 | 20th January 1934 | Stadttheater Bochum | Stadttheater Bochum | Germany | |
| Kronprätendenten, Die, 18920507 | Die Kronprätendenten | 18920507 | 7th May 1892 | Stadttheater Breslau | Stadttheater Breslau | Poland | |
| Kronprätendenten, Die, 19040409 | Die Kronprätendenten | 19040409 | 9th April 1904 | Stadttheater Brünn | Stadttheater Brünn | Czech Republic | |
| Kronprätendenten, Die, 19080901 | Die Kronprätendenten | 19080901 | 1st September 1908 | Stadttheater Graz | Stadttheater Graz | Austria | |
| Klein Eyolf, 18950227 | Klein Eyolf | 18950227 | 27th February 1895 | Stadttheater Heidelberg | Stadttheater Heidelberg | Germany | |
| Klein Eyolf, 19040120 | Klein Eyolf | 19040120 | 20th January 1904 | Stadttheater Libau | Stadttheater Libau | Latvia | |
| Klein Eyolf, 19531209 | Klein Eyolf | 19531209 | 9th December 1953 | Stadttheater St. Gallen | Stadttheater St. Gallen | Switzerland | |
| Kronprätendenten, Die, 19061130 | Die Kronprätendenten | 19061130 | 30th November 1906 | Stadttheater Zürich | Stadttheater Zürich | Switzerland | |
| Kærlighedens Komedie, 18830826 | Kærlighedens Komedie | 18830826 | 26th August 1883 | Stavanger Teater | Stavanger Teater | Norway | |
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