| kouklóspito, To, 20080118 | To kouklóspito | 20080118 | 18th January 2008 | Dipethe Kozanis | Dipethe Kozanis | Greece | |
| KΥΡΑ ΤΗΣ ΘΑΛΑΣΣΑΣ, 20171111 | Η ΚΥΡΑ ΤΗΣ ΘΑΛΑΣΣΑΣ (The Lady from the Sea) | 20171111 | 11th November 2017 | Larnaca Municipal Theatre | Larnaca Municipal Theatre | Cyprus | |
| Kísértetek, 19110911 | Kísértetek | 19110911 | 11th September 1911 | Hațeg | Hațeg | Romania | |
| Kærlighedens Komedie, 18810506 | Kærlighedens Komedie | 18810506 | 6th May 1881 | Theatret i Trondheim | Theatret i Trondheim | Norway | |
| Kísértetek, 192505 | Kísértetek | 192505 | May 1925 | Berehove | Berehove | Ukraine | |
| 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 | |
| Keiser og galileer, 20061111 | Keiser og galileer | 20061111 | 11th November 2006 | Nationaltheatret Torshovteatret | Nationaltheatret Torshovteatret | Norway | |
| 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 | |
| Kongs-Emnerne, 18710111 | Kongs-Emnerne | 18710111 | 11th January 1871 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| 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 | |
| Klein-Eyolf, 19200619 | Klein-Eyolf | 19200619 | 19th June 1920 | Landschaftliches Theater in Linz | Landschaftliches Theater in Linz | Austria | |
| Když my mrtví procitneme, 20060523 | Když my mrtví procitneme | 20060523 | 23rd May 2006 | Český rozhlas (Czech Radio) | Český rozhlas (Czech Radio) | Czech Republic | |
| Kansan vihollinen, 1963 | Kansan vihollinen | 1963 | 1963 | Oulun Kaupunginteatteri | Oulun Kaupunginteatteri | Finland | |
| Kísértetek, 19060307 | Kísértetek | 19060307 | 7th March 1906 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kansan vihaaja, 18980320 | Kansan vihaaja | 18980320 | 20th March 1898 | Suomalainen Teatteri | Suomalainen Teatteri | Finland | |
| Kísértetek, 19270727 | Kísértetek | 19270727 | 27th July 1927 | Cluj-Napoca | Cluj-Napoca | Romania | |
| 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 | |
| Kongsemnerne, 19500518 | Kongsemnerne | 19500518 | 18th May 1950 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Komödie der Liebe, 19000714 | Komödie der Liebe | 19000714 | 14th July 1900 | Theater in der Josefstadt | Theater in der Josefstadt | Austria | |
| Kronprätendenten, Die, 18761115 | Die Kronprätendenten | 18761115 | 15th November 1876 | Großherzogliches Hoftheater Schwerin | Großherzogliches Hoftheater Schwerin | 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 | |
| Kísértetek, 19270421 | Kísértetek | 19270421 | 21st April 1927 | Kecskemét | Kecskemét | Hungary | |
| Kämparne på Helgeland, 18760128 | Kämparne på Helgeland | 18760128 | 28th January 1876 | Stora Teatern Norrköping | Stora Teatern Norrköping | Sweden | |
| Kísértetek, 19101003 | Kísértetek | 19101003 | 3rd October 1910 | Mezőkövesd | Mezőkövesd | Hungary | |
| Kísértetek, 19220922 | Kísértetek | 19220922 | 22nd September 1922 | Szarvas | Szarvas | Hungary | |
| Kleine Eyolf, 19280327 | Kleine Eyolf | 19280327 | 27th March 1928 | Groote Schouwburg | Groote Schouwburg | Netherlands | |
| Kleine Eyolf, 20000417 | Kleine Eyolf | 20000417 | 17th April 2000 | Harmonie, De | De Harmonie | Netherlands | |
| Kis Eyolf, 19330102 | Kis Eyolf | 19330102 | 2nd January 1933 | Szombathely | Szombathely | Hungary | |
| Kärlekens komedi, 18890128 | Kärlekens komedi | 18890128 | 28th January 1889 | Svenska Teatern | Svenska Teatern | Finland | |
| Kukol'nyj dom, 194402 | Kukol'nyj dom (A Doll's House) | 194402 | February 1944 | Teatr dramy Orel | Teatr dramy Orel | Russia | |
| Kísértetek, 19121008 | Kísértetek | 19121008 | 8th October 1912 | Lučenec | Lučenec | Slovak Republic | |
| Kisértetek, 19081017 | Kisértetek | 19081017 | 17th October 1908 | Budapest | Budapest | Hungary | |
| kyra tis thalassas, I, 20120106 | I kyra tis thalassas | 20120106 | 6th January 2012 | Diachrono Theatro | Diachrono Theatro | Greece | |
| Kansanvihollinen, 19830414 | Kansanvihollinen | 19830414 | 14th April 1983 | Kokkolan Kaupunginteatteri | Kokkolan Kaupunginteatteri | Finland | |
| Kukol'nyj dom, 1996 | Kukol'nyj dom (A Doll's House) | 1996 | 1996 | Moscow | Moscow | Russia | |
| Kísértetek, 19110509 | Kísértetek | 19110509 | 9th May 1911 | Odorheiu Secuiesc | Odorheiu Secuiesc | Romania | |
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