| Koga nij, martvite, se probudim, 19070317 | Koga nij, martvite, se probudim | 19070317 | 17th March 1907 | Naroden teatar | Naroden teatar | Bulgaria | |
| Kuninkaanalut, 18820314 | Kuninkaanalut | 18820314 | 14th March 1882 | Suomalainen Teatteri | Suomalainen Teatteri | Finland | |
| Klein Eyolf, 18950422 | Klein Eyolf | 18950422 | 22nd April 1895 | Volkstheater | Volkstheater | Germany | |
| Kisértetek, 190901 | Kisértetek | 190901 | January 1909 | Nyíregyháza | Nyíregyháza | Hungary | |
| Kísértetek, 19220413 | Kísértetek | 19220413 | 13th April 1922 | Városi Színház | Városi Színház | Hungary | |
| Kleine Eyolf, 20000407 | Kleine Eyolf | 20000407 | 7th April 2000 | Chassé Theater | Chassé Theater | Netherlands | |
| Kongsemnene, 19930625 | Kongsemnene | 19930625 | 25th June 1993 | Haugar Vestfold Kunstmuseum | Haugar Vestfold Kunstmuseum | Norway | |
| Kukol'nyj dom, 194010 | Kukol'nyj dom (A Doll's House) | 194010 | October 1940 | Uljanovskij dramatičeskij teatr | Uljanovskij dramatičeskij teatr | Russia | |
| Kísértetek, 19130113 | Kísértetek | 19130113 | 13th January 1913 | Čadca | Čadca | Slovak Republic | |
| Kronprätendenten, Die, 19111028 | Die Kronprätendenten | 19111028 | 28th October 1911 | Großherzogliches Hoftheater Weimar | Großherzogliches Hoftheater Weimar | Germany | |
| Kärlekens komedi, 18900217 | Kärlekens komedi | 18900217 | 17th February 1890 | Malmö Teater | Malmö Teater | Sweden | |
| Kronprätendenten, Die, 18980915 | Die Kronprätendenten | 18980915 | 15th September 1898 | Hamburger Stadt-Theater | Hamburger Stadt-Theater | Germany | |
| Kísértetek, 19101219 | Kísértetek | 19101219 | 19th December 1910 | Éden Színház | Éden Színház | Hungary | |
| Kísértetek, 19501031 | Kísértetek | 19501031 | 31st October 1950 | Narodno pozorište Subotica (Szabadkai Népszínház) | Narodno pozorište Subotica (Szabadkai Népszínház) | Serbia | |
| Kærlighedens Komedie, 19280308 | Kærlighedens Komedie | 19280308 | 8th March 1928 | Centralteatret | Centralteatret | Norway | |
| Kummitused, 19350912 | Kummitused | 19350912 | 12th September 1935 | Eesti Draamateater | Eesti Draamateater | Estonia | |
| Kis Eyolf, 19991108 | Kis Eyolf | 19991108 | 8th November 1999 | Benczúr Ház | Benczúr Ház | Hungary | |
| Kísértetek, 19270217 | Kísértetek | 19270217 | 17th February 1927 | Sopron | Sopron | Hungary | |
| Kärlekens komedi, 19040108 | Kärlekens komedi | 19040108 | 8th January 1904 | Svenska Teatern | Svenska Teatern | Sweden | |
| Kjærlighedens Komedie, 18820112 | Kjærlighedens Komedie | 18820112 | 12th January 1882 | Christiania Theater | Christiania Theater | Norway | |
| Kongsemnerne minutt for minutt, 20160916 | Kongsemnerne minutt for minutt | 20160916 | 16th September 2016 | Nationaltheatret Publikumsfoajéen | Nationaltheatret Publikumsfoajéen | Norway | |
| kouklospito, Ena, 19950213 | Ena kouklospito | 19950213 | 13th February 1995 | | Efxinos Leschi | Greece | |
| Kísértetek, 19230117 | Kísértetek | 19230117 | 17th January 1923 | Eger | Eger | Hungary | |
| kyra tis thalassas, I, 19890522 | I kyra tis thalassas | 19890522 | 22nd May 1989 | ERT A’ Programma Radio | ERT A’ Programma Radio | Greece | |
| Kämparna på Helgeland, 19280322 | Kämparna på Helgeland | 19280322 | 22nd March 1928 | Helsingborgs Stadsteater | Helsingborgs Stadsteater | Sweden | |
| Kukol'nyj dom, 19230120 | Kukol'nyj dom (A Doll's House) | 19230120 | 20th January 1923 | Jaroslavskij dramatičeski teatr imeni F.Volkova | Jaroslavskij dramatičeski teatr imeni F. Volkova | Russia | |
| Kísértetek, 19110928 | Kísértetek | 19110928 | 28th September 1911 | Veszprém | Veszprém | Hungary | |
| Kísértetek, 19251101 | Kísértetek | 19251101 | 1st November 1925 | Budapest | Budapest | Hungary | |
| Kämparne på Helgeland, 18770112 | Kämparne på Helgeland | 18770112 | 12th January 1877 | Åbo Svenska Teater | Åbo Svenska Teater | Finland | |
| Kämparne på Helgeland, 18820119 | Kämparne på Helgeland | 18820119 | 19th January 1882 | Nya Teatern | Nya Teatern | Finland | |
| Kaiser und Galiläer, 18960227 | Kaiser und Galiläer | 18960227 | 27th February 1896 | Kaimscher Konzertsaal | Kaimscher Konzertsaal | Germany | |
| Kísértetek, 19101212 | Kísértetek | 19101212 | 12th December 1910 | Hódmezővásárhely | Hódmezővásárhely | Hungary | |
| Kísértetek, 19450630 | Kísértetek | 19450630 | 30th June 1945 | Arad | Arad | Romania | |
| Kleine Eyolf, 20000422 | Kleine Eyolf | 20000422 | 22nd April 2000 | Theater de Tamboer | Theater de Tamboer | Netherlands | |
| Kis Eyolf, 19330418 | Kis Eyolf | 19330418 | 18th April 1933 | Kaposvár | Kaposvár | Hungary | |
| Kísértetek, 19261120 | Kísértetek | 19261120 | 20th November 1926 | Eger | Eger | Hungary | |
| Kronprätendenten, Die, 19370422 | Die Kronprätendenten | 19370422 | 22nd April 1937 | Staatstheater Dresden (Schauspielhaus) | Staatstheater Dresden (Schauspielhaus) | Germany | |
| Kongs-emnerne, 18820103 | Kongs-emnerne | 18820103 | 3rd January 1882 | Christiania Theater | Christiania Theater | Norway | |
| Kleine Eyolf, 20120530 | Kleine Eyolf | 20120530 | 30th May 2012 | Nationale Toneel Gebouw | Nationale Toneel Gebouw | Netherlands | |
| kouklospito, Ena, 19950111 | Ena kouklospito | 19950111 | 11th January 1995 | | Dimotiko Theatro Veroias | Greece | |
| Kísértetek, 19201002 | Kísértetek | 19201002 | 2nd October 1920 | Veszprém | Veszprém | Hungary | |
| Klein Eyolf, 19031126 | Klein Eyolf | 19031126 | 26th November 1903 | Theatersaal des Etablissements Tivoli | Theatersaal des Etablissements Tivoli | Germany | |
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