| Kísértetek, 19001004 | Kísértetek | 19001004 | 4th October 1900 | Szeged | Szeged | Hungary | |
| Kogda my, mertvye, probuzdaemsja, 19001128 | Kogda my, mertvye, probuzdaemsja | 19001128 | 28th November 1900 | Moskovskij Chudožestvennyj akademičeskij teatr | Moskovskij Chudožestvennyj akademičeskij teatr | Russia | |
| Kukol'nyj dom, 198009 | Kukol'nyj dom (A Doll's House) | 198009 | September 1980 | Oblastnoj teatr dramy | Oblastnoj teatr dramy | Russia | |
| Kísértetek, 19250718 | Kísértetek | 19250718 | 18th July 1925 | Szombathely | Szombathely | Hungary | |
| Kjærlighetens komedie, 19560830 | Kjærlighetens komedie | 19560830 | 30th August 1956 | Nationaltheatret | Nationaltheatret | Norway | |
| Kuklen dom, 20120517 | Kuklen dom | 20120517 | 17th May 2012 | | Vratza | Bulgaria | |
| Komödie der Liebe, 19070325 | Komödie der Liebe | 19070325 | 25th March 1907 | Kammerspiele Berlin | Kammerspiele Berlin | Germany | |
| Khelaghar, 20190707 | Khelaghar | 20190707 | 7th July 2019 | Baltimore Convention Centre | Baltimore Convention Centre | United States | |
| Kísértetek, 19101003 | Kísértetek | 19101003 | 3rd October 1910 | Gyula | Gyula | Hungary | |
| Kongs-emnerne, 20040910 | Kongs-emnerne | 20040910 | 10th September 2004 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kansanvihollinen (En Folkefiende), 19780317 | Kansanvihollinen (En Folkefiende) | 19780317 | 17th March 1978 | Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland | |
| Kukol'nyj dom, 194504 | Kukol'nyj dom (A Doll's House) | 194504 | April 1945 | Penzenskij oblastnoj dramatičeskij teatr imeni A.V. Lunačarskogo | Penzenskij oblastnoj dramatičeskij teatr imeni A.V. Lunačarskogo | Russia | |
| Kísértetek, 19070522 | Kísértetek | 19070522 | 22nd May 1907 | Cegléd | Cegléd | Hungary | |
| Kjærlighedens Komedie, 19081226 | Kjærlighedens Komedie | 19081226 | 26th December 1908 | Stavanger Teater | Stavanger Teater | Norway | |
| Kísértetek, 19300412 | Kísértetek | 19300412 | 12th April 1930 | Kecskemét | Kecskemét | Hungary | |
| Kísértetek, 18900802 | Kísértetek | 18900802 | 2nd August 1890 | Oradea | Oradea | Romania | |
| Kísértetek, 19110609 | Kísértetek | 19110609 | 9th June 1911 | Cristuru Secuiesc | Cristuru Secuiesc | Romania | |
| Kongs-emnerne, 18880226 | Kongs-emnerne | 18880226 | 26th February 1888 | Christiania Theater | Christiania Theater | Norway | |
| Komödie der Liebe, 19130501 | Komödie der Liebe | 19130501 | 1st May 1913 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kísértetek, 19250505 | Kísértetek | 19250505 | 5th May 1925 | Užhorod | Užhorod | Ukraine | |
| Kukol'nyj dom, 20000904 | Kukol'nyj dom | 20000904 | 4th September 2000 | Nationaltheatret Torshovteatret | Nationaltheatret Torshovteatret | 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 | |
| Kronprätendenten, Die, 18980915 | Die Kronprätendenten | 18980915 | 15th September 1898 | Hamburger Stadt-Theater | Hamburger Stadt-Theater | Germany | |
| Klein Eyolf, 19611022 | Klein Eyolf | 19611022 | 22nd October 1961 | Städtische Bühnen Münster | Städtische Bühnen Münster | Germany | |
| Kærlighedens Komedie, 18830101 | Kærlighedens Komedie | 18830101 | 1st January 1883 | Komediehuset | Komediehuset | Norway | |
| Kämparne på Helgeland, 18760920 | Kämparne på Helgeland | 18760920 | 20th September 1876 | Sundsvall | Sundsvall | Sweden | |
| Kísértetek, 19110525 | Kísértetek | 19110525 | 25th May 1911 | Pápa | Pápa | Hungary | |
| Kísértetek, 19461123 | Kísértetek | 19461123 | 23rd November 1946 | Csokonai Színház Irodalmi Színpad | Csokonai Színház Irodalmi Színpad | Hungary | |
| Kísértetek, 19241017 | Kísértetek | 19241017 | 17th October 1924 | Renaissance Színház | Renaissance Színház | Hungary | |
| Kleine Eyolf, 20000427 | Kleine Eyolf | 20000427 | 27th April 2000 | Posthuis Theater | Posthuis Theater | Netherlands | |
| Kis Eyolf, 19330609 | Kis Eyolf | 19330609 | 9th June 1933 | Szekszárd | Szekszárd | Hungary | |
| Klein Eyolf, 19191023 | Klein Eyolf | 19191023 | 23rd October 1919 | Staatstheater Dresden (Schauspielhaus) | Staatstheater Dresden (Schauspielhaus) | Germany | |
| Kísértetek, 19261218 | Kísértetek | 19261218 | 18th December 1926 | Törökszentmiklós | Törökszentmiklós | Hungary | |
| Kongsemnerne, 19620523 | Kongsemnerne | 19620523 | 23rd May 1962 | Nationale Scene, Den | Den Nationale Scene | Norway | |
| kouklospito, Ena, 19950204 | Ena kouklospito | 19950204 | 4th February 1995 | | Dimotiko Theatro Kozanis | Greece | |
| Kísértetek, 1920 | Kísértetek | 1920 | 1920 | Budapest | Budapest | Hungary | |
| Klein Eyolf, 20020616 | Klein Eyolf | 20020616 | 16th June 2002 | Staatstheater Kassel | Staatstheater Kassel | Germany | |
| kyra tis thalassas, I, 19280315 | I kyra tis thalassas | 19280315 | 15th March 1928 | Dimotiko Theatro Apollon | Dimotiko Theatro Apollon | Greece | |
| Kukol'nyj dom, 1899 | Kukol'nyj dom (A Doll's House) | 1899 | 1899 | Gorodskoj teatr Jaroslavl | Gorodskoj teatr Jaroslavl | Russia | |
| Kísértetek, 19120326 | Kísértetek | 19120326 | 26th March 1912 | Novi Sad | Novi Sad | Serbia | |
| Kaiser und Galiläer, 18960227 | Kaiser und Galiläer | 18960227 | 27th February 1896 | Kaimscher Konzertsaal | Kaimscher Konzertsaal | Germany | |
| Kísértetek, 19250129 | Kísértetek | 19250129 | 29th January 1925 | Kaposvár | Kaposvár | Hungary | |
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