| Kjærlighetens komedie, 19800901 | Kjærlighetens komedie | 19800901 | 1st September 1980 | Nationaltheatret Amfiscenen | Nationaltheatret Amfiscenen | Norway | |
| kyria apo ti thalassa, I, 20100904 | I kyria apo ti thalassa | 20100904 | 4th September 2010 | Nationaltheatret Hovedscenen | Nationaltheatret Hovedscenen | Norway | |
| Kobieta z morza, 19920831 | Kobieta z morza | 19920831 | 31st August 1992 | Nationaltheatret Malersalen | Nationaltheatret Malersalen | Norway | |
| Kongsemnerne minutt for minutt, 20160916 | Kongsemnerne minutt for minutt | 20160916 | 16th September 2016 | Nationaltheatret Publikumsfoajéen | Nationaltheatret Publikumsfoajéen | Norway | |
| Kukol'nyj dom, 20000904 | Kukol'nyj dom | 20000904 | 4th September 2000 | Nationaltheatret Torshovteatret | Nationaltheatret Torshovteatret | Norway | |
| Keiser og galileer, 20061111 | Keiser og galileer | 20061111 | 11th November 2006 | Nationaltheatret Torshovteatret | Nationaltheatret Torshovteatret | Norway | |
| Kaldt Produkt - (Cold Product), 20071116 | Kaldt Produkt - (Cold Product) | 20071116 | 16th November 2007 | Nationaltheatret Torshovteatret | Nationaltheatret Torshovteatret | Norway | 4 |
| Kísértetek, 19350224 | Kísértetek | 19350224 | 24th February 1935 | Nemzeti Színház | Nemzeti Színház | Hungary | |
| Kísértetek, 19270305 | Kísértetek | 19270305 | 5th March 1927 | Nemzeti Színház | Nemzeti Színház | Hungary | |
| Kisértetek, 19091210 | Kisértetek | 19091210 | 10th December 1909 | Nemzeti Színház | Nemzeti Színház | Hungary | |
| Kis Eyolf, 19281212 | Kis Eyolf | 19281212 | 12th December 1928 | Nemzeti Színház Kamaraszínháza | Nemzeti Színház Kamaraszínháza | Hungary | |
| Kísértetek, 19570328 | Kísértetek | 19570328 | 28th March 1957 | Néphadsereg Színháza | Néphadsereg Színháza | Hungary | |
| Komödie der Liebe, 19120521 | Komödie der Liebe | 19120521 | 21st May 1912 | Neues Deutsches Theater | Neues Deutsches Theater | Czech Republic | |
| Kaiser und Galiläer, 19280317 | Kaiser und Galiläer | 19280317 | 17th March 1928 | Neues Deutsches Theater | Neues Deutsches Theater | Czech Republic | |
| Komödie der Liebe, 18990601 | Komödie der Liebe | 18990601 | 1st June 1899 | Neues Sommer-Theater | Neues Sommer-Theater | Poland | |
| Kronprätendenten, Die, 19041007 | Die Kronprätendenten | 19041007 | 7th October 1904 | Neues Theater | Neues Theater | Germany | |
| Klein Eyolf, 19081129 | Klein Eyolf | 19081129 | 29th November 1908 | Nieuwe Schouwburg | Nieuwe Schouwburg | Netherlands | |
| Kísértetek, 19120425 | Kísértetek | 19120425 | 25th April 1912 | Nitra | Nitra | Slovak Republic | |
| Kukol'nyj dom, 193805 | Kukol'nyj dom (A Doll's House) | 193805 | May 1938 | Nižegorodskij gosudarstveni akademičeskii teatr dramija imeni A. Gorkogo | Nižegorodskij gosudarstveni akademičeskii teatr dramija imeni A. Gorkogo (The Nizhny Novgorod State Academic Drama Theater named after M. Gorky) | Russia | |
| Kísértetek, 191204 | Kísértetek | 191204 | April 1912 | Nové Zámky | Nové Zámky | Slovak Republic | |
| Kísértetek, 19120326 | Kísértetek | 19120326 | 26th March 1912 | Novi Sad | Novi Sad | Serbia | |
| Kukol'nyj dom, 18980203 | Kukol'nyj dom (A Doll's House) | 18980203 | 3rd February 1898 | Novočerskasskij dramatičeskij teatr | Novočerskasskij dramatičeskij teatr | Russia | |
| Keiser og galileer, 20030202 | Keiser og galileer | 20030202 | 2nd February 2003 | NRK P2 (Norge) | NRK P2 (Norge) | Norway | |
| Kjærlighetens komedie, 20060917 | Kjærlighetens komedie | 20060917 | 17th September 2006 | NRK P2 (Norge) | NRK P2 (Norge) | Norway | |
| Keiser og galilæer, 19560408 | Keiser og galilæer | 19560408 | 8th April 1956 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kjærlighetens komedie, 19610606 | Kjærlighetens komedie | 19610606 | 6th June 1961 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kongsemnene, 19790526 | Kongsemnene | 19790526 | 26th May 1979 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kongsemnerne, 19500518 | Kongsemnerne | 19500518 | 18th May 1950 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| Kleine Eyolf, 20120523 | Kleine Eyolf | 20120523 | 23rd May 2012 | NTGent/schouwburg | NTGent/schouwburg | Belgium | |
| Kämparna på Helgeland, 18751103 | Kämparna på Helgeland | 18751103 | 3rd November 1875 | Nya Teatern | Nya Teatern | Sweden | 2 |
| Kungsämnena, 18860225 | Kungsämnena | 18860225 | 25th February 1886 | Nya Teatern | Nya Teatern | Sweden | |
| Kämparne på Helgeland, 18800320 | Kämparne på Helgeland | 18800320 | 20th March 1880 | Nya Teatern | Nya Teatern | Finland | |
| Kämparne på Helgeland, 18791130 | Kämparne på Helgeland | 18791130 | 30th November 1879 | Nya Teatern | Nya Teatern | Sweden | |
| Kämparne på Helgeland, 18780227 | Kämparne på Helgeland | 18780227 | 27th February 1878 | Nya Teatern | Nya Teatern | Finland | |
| Kärlekens komedi, 19190428 | Kärlekens komedi | 19190428 | 28th April 1919 | Nya Teatern | Nya Teatern | Sweden | |
| Kämparne på Helgeland, 18851123 | Kämparne på Helgeland | 18851123 | 23rd November 1885 | Nya Teatern | Nya Teatern | Finland | |
| Kämparne på Helgeland, 18820119 | Kämparne på Helgeland | 18820119 | 19th January 1882 | Nya Teatern | Nya Teatern | Finland | |
| Kungsämnena, 18790119 | Kungsämnena | 18790119 | 19th January 1879 | Nya Teatern | Nya Teatern | Sweden | 2 |
| Kis Eyolf, 19321017 | Kis Eyolf | 19321017 | 17th October 1932 | Nyíregyháza | Nyíregyháza | Hungary | |
| Kísértetek, 19241101 | Kísértetek | 19241101 | 1st November 1924 | Nyíregyháza | Nyíregyháza | Hungary | |
| Kisértetek, 190901 | Kisértetek | 190901 | January 1909 | Nyíregyháza | Nyíregyháza | Hungary | |
| Kísértetek, 19270128 | Kísértetek | 19270128 | 28th January 1927 | Nyíregyháza | Nyíregyháza | Hungary | |
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