| Kísértetek, 19251101 | Kísértetek | 19251101 | 1st November 1925 | Budapest | Budapest | Hungary, Budapest | |
| Kísértetek, 19320406 | Kísértetek | 19320406 | 6th April 1932 | Sopron | Sopron | Hungary, Sopron | |
| Kukol'nyj dom, 19600917 | Kukol'nyj dom (A Doll's House) | 19600917 | 17th September 1960 | Moskovskij Chudožestvennyj akademičeskij teatr | Moskovskij Chudožestvennyj akademičeskij teatr | Russia, Moscow, Kamergerskiy Pereulok 3 | |
| Komödie der Liebe, 19160401 | Komödie der Liebe | 19160401 | 1st April 1916 | Leipziger Stadttheater, Altes Theater | Leipziger Stadttheater, Altes Theater | Germany, Leipzig, Richard Wagnerplatz | |
| Kísértetek, 19111102 | Kísértetek | 19111102 | 2nd November 1911 | Nagykőrös | Nagykőrös | Hungary, Nagykőrös | |
| Kísértetek, 19130606 | Kísértetek | 19130606 | 6th June 1913 | Šahy | Šahy | Slovak Republic, Šahy | |
| Klein Eyolf, 19090922 | Klein Eyolf | 19090922 | 22nd September 1909 | Lessingtheater | Lessingtheater | Germany, Berlin, Friedrich-Karl-Ufer 1 | |
| Kämparne på Helgeland, 19050906 | Kämparne på Helgeland | 19050906 | 6th September 1905 | Svenska Teatern | Svenska Teatern | Finland, Helsinki, Pohjoisesplanadi 2 | |
| Kísértetek, 19110331 | Kísértetek | 19110331 | 31st March 1911 | Szeged | Szeged | Hungary, Szeged | |
| Kukol'nyj dom, 19070123 | Кукольный дом (A Doll's House) (Kukol'nyj dom) | 19070123 | 23rd January 1907 | Teatr V. F. Komissarzhevskoi | Teatr V. F. Komissarzhevskoi | Russia, St Petersburg, Italiyanskaya ul 19 | |
| Kísértetek, 19131219 | Kísértetek | 19131219 | 19th December 1913 | Kaposvár | Kaposvár | Hungary, Kaposvár | |
| Kaldt Produkt - (Cold Product), 20080615 | Kaldt Produkt - (Cold Product) | 20080615 | 15th June 2008 | Hessisches Staatstheater | Hessisches Staatstheater | Germany, Wiesbaden, Christian-Zais-Straße 3 | |
| kyra tis thalassas, I, 19391003 | I kyra tis thalassas | 19391003 | 3rd October 1939 | Theatro Pallas | Theatro Pallas | Greece, Athens | |
| kouklospito, Ena, 19950201 | Ena kouklospito | 19950201 | 1st February 1995 | | Pneumatiko Kentro Skydras | Greece, Skydra | |
| Klein Eyolf, 18950120 | Klein Eyolf | 18950120 | 20th January 1895 | Harmonie, De | De Harmonie | Netherlands, Leeuwarden, Ruiterskwartier 4 | |
| Koldt produkt af Matias Faldbakken, 20091008 | Koldt produkt af Matias Faldbakken | 20091008 | 8th October 2009 | Sukkerkogeriet | Sukkerkogeriet | Denmark, Odense, Roersvej 33 | |
| Kísértetek, 19280608 | Kísértetek | 19280608 | 8th June 1928 | Subotica | Subotica | Serbia, Subotica | |
| Klein Eyolf, 19130404 | Klein Eyolf | 19130404 | 4th April 1913 | Neue Theater, Das | Das Neue Theater | Germany, Frankfurt am Main | |
| Kísértetek, 19331004 | Kísértetek | 19331004 | 4th October 1933 | Cegléd | Cegléd | Hungary, Cegléd | |
| Kukol'nyj dom, 197310 | Kukol'nyj dom | 197310 | October 1973 | Volgogratskij dramatičeski teatr imeni A. Gorkogo | Volgogratskij dramatičeski teatr imeni A. Gorkogo | Russia, Volgograd, Ulitsa Mira, 5 | |
| Komödie der Liebe, 19181030 | Komödie der Liebe | 19181030 | 30th October 1918 | Volksbühne | Volksbühne | Germany, Berlin, Rosa-Luxemburg-Platz | |
| Kísértetek, 19120425 | Kísértetek | 19120425 | 25th April 1912 | Topoľčany | Topoľčany | Slovak Republic, Topoľčany | |
| Kísértetek, 19130129 | Kísértetek | 19130129 | 29th January 1913 | Bratislava | Bratislava | Slovak Republic, Bratislava | |
| Kleine Eyolf, 20000308 | Kleine Eyolf | 20000308 | 8th March 2000 | Grand Theatre | Grand Theatre | Netherlands, Groningen, Grote Markt 35 | |
| kyra tis thalassas, I, 19730619 | I kyra tis thalassas | 19730619 | 19th June 1973 | Radio, YENED Stathmos Enoplon | YENED Stathmos Enoplon Radio (Hellas) | Greece | |
| Kísértetek, 19830211 | Kísértetek | 19830211 | 11th February 1983 | Várszínház | Várszínház | Hungary, Budapest, Színház utca 1–3 | |
| Kísértetek, 19251211 | Kísértetek | 19251211 | 11th December 1925 | Hajdúböszörmény | Hajdúböszörmény | Hungary, Hajdúböszörmény | |
| Kukol'nyj dom, 19850122 | Kukol'nyj dom (A Doll's House) | 19850122 | 22nd January 1985 | | | | |
| Komödie der Liebe, 18990601 | Komödie der Liebe | 18990601 | 1st June 1899 | Neues Sommer-Theater | Neues Sommer-Theater | Poland, Wrocław (Breslau) | |
| Kísértetek, 19250429 | Kísértetek | 19250429 | 29th April 1925 | Győr | Győr | Hungary, Győr | |
| Kukol'nyj dom, 194010 | Kukol'nyj dom (A Doll's House) | 194010 | October 1940 | Uljanovskij dramatičeskij teatr | Uljanovskij dramatičeskij teatr | Russia, Uljanovsk | |
| Klein Eyolf, 19080321 | Klein Eyolf | 19080321 | 21st March 1908 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany, Düsseldorf, Carl-Theodor-Straße 8 | |
| Kísértetek, 19100507 | Kísértetek | 19100507 | 7th May 1910 | Színművészeti Akadémia | Színművészeti Akadémia | Hungary, Budapest | |
| Kísértetek, 19110404 | Kísértetek | 19110404 | 4th April 1911 | Ocna Mureș | Ocna Mureș | Romania, Ocna Mureș | |
| Kongsemnerne minutt for minutt, 20160916 | Kongsemnerne minutt for minutt | 20160916 | 16th September 2016 | Nationaltheatret Publikumsfoajéen | Nationaltheatret Publikumsfoajéen | Norway, Oslo, Johanne Dybwads plass 1 | |
| Kærlighedens Komedie, 19280330 | Kærlighedens Komedie | 19280330 | 30th March 1928 | Fredrikstad | Fredrikstad | Norway, Fredrikstad | |
| Kísértetek, 192406 | Kísértetek | 192406 | June 1924 | Hatvan | Hatvan | Hungary, Hatvan | |
| Kobieta z morza, 19920426 | Kobieta z morza | 19920426 | 26th April 1992 | Teatr Wybrzeże | Teatr Wybrzeże | Poland, Gdańsk, Świętego Ducha 2 | |
| Kísértetek, 19230305 | Kísértetek | 19230305 | 5th March 1923 | Arad | Arad | Romania, Arad | |
| Kísértetek, 18900802 | Kísértetek | 18900802 | 2nd August 1890 | Oradea | Oradea | Romania, Oradea | |
| Kjærlighedens Komedie, 18980425 | Kjærlighedens Komedie | 18980425 | 25th April 1898 | Christiania Theater | Christiania Theater | Norway, Kristiania (Oslo), Bankplassen | |
| Kämparne på Helgeland, 18760412 | Kämparne på Helgeland | 18760412 | 12th April 1876 | Mindre Teatern | Mindre Teatern | Sweden, Gothenburg, Södra Hamngatan 61 | |
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