| Kísértetek, 19650401 | Kísértetek | 19650401 | 1st April 1965 | Sepsiszentgyörgyi Állami Magyar Színház | Sepsiszentgyörgyi Állami Magyar Színház | Romania | |
| Kærlighedens Komedie, 19280320 | Kærlighedens Komedie | 19280320 | 20th March 1928 | Skien | Skien | Norway | |
| Kongsemnerne, 19381006 | Kongsemnerne | 19381006 | 6th October 1938 | Nationaltheatret | Nationaltheatret | Norway | |
| Kleine Eyolf, 19941028 | Kleine Eyolf (Traumata) (Kleine Eyolf) | 19941028 | 28th October 1994 | Felix Meritis | Felix Meritis | Netherlands | |
| Kjærlighedens Komedie, 18750823 | Kjærlighedens Komedie | 18750823 | 23rd August 1875 | Christiania Theater | Christiania Theater | Norway | |
| Klein Eyolf, 18950227 | Klein Eyolf | 18950227 | 27th February 1895 | K. K. Hofburgtheater | K. K. Hofburgtheater | Austria | |
| Kísértetek, 19250617 | Kísértetek | 19250617 | 17th June 1925 | Brașov | Brașov | Romania | |
| Kärlekens komedi, 19040920 | Kärlekens komedi | 19040920 | 20th September 1904 | Stora Teatern | Stora Teatern | Sweden | |
| Komödie der Liebe, 19130204 | Komödie der Liebe | 19130204 | 4th February 1913 | Königliches Schauspielhaus | Königliches Schauspielhaus | Germany | |
| Kongsemnerne, 20150808 | Kongsemnerne | 20150808 | 8th August 2015 | Otta kulturhus | Otta kulturhus | Norway | |
| kouklospito, Ena, 19950216 | Ena kouklospito | 19950216 | 16th February 1995 | | Dimotiko Theatro Plateos | Greece | |
| Kísértetek, 192406 | Kísértetek | 192406 | June 1924 | Hatvan | Hatvan | Hungary | |
| Kleine Eyolf, 20000322 | Kleine Eyolf | 20000322 | 22nd March 2000 | Stadstheater | Stadstheater | Netherlands | |
| Kongsemnerne, 19750524 | Kongsemnerne | 19750524 | 24th May 1975 | Håkonshallen | Håkonshallen | Norway | |
| Kärlekens komedi, 18891107 | Kärlekens komedi | 18891107 | 7th November 1889 | Mindre Teatern | Mindre Teatern | Sweden | |
| Klein Eyolf, 19231124 | Klein Eyolf | 19231124 | 24th November 1923 | Deutsches Schauspielhaus | Deutsches Schauspielhaus | Germany | |
| Kukol'nyj dom, 193903 | Kukol'nyj dom (A Doll's House) | 193903 | March 1939 | Dramatičeskij teatr imeni A. Gorkogo | Dramatičeski tetr imeni A. Gorkogo | Russia | |
| Kísértetek, 19121023 | Kísértetek | 19121023 | 23rd October 1912 | Banská Bystrica | Banská Bystrica | Slovak Republic | |
| Klein Eyolf, 20061001 | Klein Eyolf | 20061001 | 1st October 2006 | Schauspielhaus, Staatstheater Stuttgart | Schauspielhaus, Staatstheater Stuttgart | Germany | |
| Kærlighedens Komedie, 18830101 | Kærlighedens Komedie | 18830101 | 1st January 1883 | Komediehuset | Komediehuset | Norway | |
| Komödie der Liebe, 18990601 | Komödie der Liebe | 18990601 | 1st June 1899 | Neues Sommer-Theater | Neues Sommer-Theater | Poland | |
| Kronprätendenten, Die, 19081105 | Die Kronprätendenten | 19081105 | 5th November 1908 | Theater am Franzensplatz | Theater am Franzensplatz | Austria | |
| Kämparne på Helgeland, 18760626 | Kämparne på Helgeland | 18760626 | 26th June 1876 | Wasa Teater | Wasa Teater | Finland | |
| Kísértetek, 19110502 | Kísértetek | 19110502 | 2nd May 1911 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kísértetek, 19460317 | Kísértetek | 19460317 | 17th March 1946 | Színművészeti Akadémia | Színművészeti Akadémia | Hungary | |
| Kleine Eyolf, 20000426 | Kleine Eyolf | 20000426 | 26th April 2000 | Schouwburg De Lawei | Schouwburg De Lawei | Netherlands | |
| Kis Eyolf, 19330519 | Kis Eyolf | 19330519 | 19th May 1933 | Baja | Baja | Hungary | |
| Kärlekens komedi, 18940503 | Kärlekens komedi | 18940503 | 3rd May 1894 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19251211 | Kísértetek | 19251211 | 11th December 1925 | Hajdúböszörmény | Hajdúböszörmény | Hungary | |
| Kongs-Emnerne, 19001010 | Kongs-Emnerne | 19001010 | 10th October 1900 | Nationaltheatret | Nationaltheatret | Norway | |
| Klein Eyolf, 19081127 | Klein Eyolf | 19081127 | 27th November 1908 | Stadsschouwburg Amsterdam | Stadsschouwburg Amsterdam | Netherlands | |
| Kejser og Galilæer, 19641225 | Kejser og Galilæer | 19641225 | 25th December 1964 | DR (Danmarks Radio) | DR (Danmarks Radio) | Denmark | |
| kouklospito, Ena, 19950202 | Ena kouklospito | 19950202 | 2nd February 1995 | | Dimotiko Theatro Naousas | Greece | |
| Kísértetek, 19200928 | Kísértetek | 19200928 | 28th September 1920 | Makó | Makó | Hungary | |
| Klein Eyolf, 20020201 | Klein Eyolf | 20020201 | 1st February 2002 | Studiobühne der Universität Paderborn | Studiobühne der Universität Paderborn | Germany | |
| Kleine Eyolf, 19280327 | Kleine Eyolf | 19280327 | 27th March 1928 | Groote Schouwburg | Groote Schouwburg | Netherlands | |
| Kronprätendenten, Die, 19161013 | Die Kronprätendenten | 19161013 | 13th October 1916 | Großherzogliches Hof-Theater Darmstadt | Großherzogliches Hof-Theater Darmstadt | Germany | |
| Kukol'nyj dom, 18990520 | Kukol'nyj dom (A Doll's House) | 18990520 | 20th May 1899 | Krasnodar | Krasnodar | Russia | |
| Kísértetek, 19111021 | Kísértetek | 19111021 | 21st October 1911 | Užhorod | Užhorod | Ukraine | |
| Kronprätendenten, Die, 18760603 | Die Kronprätendenten | 18760603 | 3rd June 1876 | Friedrich-Wilhelmstädtisches Theater | Friedrich-Wilhelmstädtisches Theater | Germany | |
| Kísértetek, 19250429 | Kísértetek | 19250429 | 29th April 1925 | Győr | Győr | Hungary | |
| Kisértetek, 19081017 | Kisértetek | 19081017 | 17th October 1908 | Budapest | Budapest | Hungary | |
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