| Kísértetek, 19221024 | Kísértetek | 19221024 | 24th October 1922 | Satu Mare | Satu Mare | Romania | |
| Kleine Eyolf, 20000420 | Kleine Eyolf | 20000420 | 20th April 2000 | Oosterpoort Groningen, De | De Oosterpoort Groningen | Netherlands | |
| Kis Eyolf, 19330301 | Kis Eyolf | 19330301 | 1st March 1933 | Sopron | Sopron | Hungary | |
| Kísértetek, 19261025 | Kísértetek | 19261025 | 25th October 1926 | Mezőtúr | Mezőtúr | Hungary | |
| Kleine Eyolf, 20120523 | Kleine Eyolf | 20120523 | 23rd May 2012 | NTGent/schouwburg | NTGent/schouwburg | Belgium | |
| kouklospito, Ena, 19950108 | Ena kouklospito | 19950108 | 8th January 1995 | | Dimotiko Theatro Edessas | Greece | |
| Kogda my, myortvye, voskresnem?, 1918 | Kogda my, myortvye, voskresnem? | 1918 | 1918 | Russia | Russia | Russia | |
| Kísértetek, 19200330 | Kísértetek | 19200330 | 30th March 1920 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kísértetek, 20060202 | Kísértetek | 20060202 | 2nd February 2006 | Gárdonyi Géza Szinház | Gárdonyi Géza Szinház | Hungary | |
| Kærlighedens Komedie, 19310819 | Kærlighedens Komedie | 19310819 | 19th August 1931 | Centralteatret | Centralteatret | Norway | |
| Kogda my, mertvye, probuzdaemsja, 1902 | Kogda my, mertvye, probuzdaemsja (When We Dead Awaken) | 1902 | 1902 | Kostroma | Kostroma | Russia | |
| Kísértetek, 19101220 | Kísértetek | 19101220 | 20th December 1910 | Dej | Dej | Romania | |
| Kärlekens komedi, 18890128 | Kärlekens komedi | 18890128 | 28th January 1889 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19241226 | Kísértetek | 19241226 | 26th December 1924 | Kőszeg | Kőszeg | Hungary | |
| Kongsemnerne, 19070303 | Kongsemnerne | 19070303 | 3rd March 1907 | Komediehuset | Komediehuset | Norway | |
| Kummittelijoita, 19030201 | Kummittelijoita | 19030201 | 1st February 1903 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri | Finland | |
| Kukol'nyj dom, 19641027 | Kukol'nyj dom | 19641027 | 27th October 1964 | Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Kostromskoj dramatieeskij teatr imeni A. Ostrovskogo | Russia | |
| Kísértetek, 19100130 | Kísértetek | 19100130 | 30th January 1910 | Mukačeve | Mukačeve | Ukraine | |
| Kísértetek, 19220322 | Kísértetek | 19220322 | 22nd March 1922 | Színművészeti Akadémia | Színművészeti Akadémia | Hungary | |
| Komödie der Liebe, 19120903 | Komödie der Liebe | 19120903 | 3rd September 1912 | Thalia-Theater | Thalia-Theater | Germany | |
| Kleine Eyolf, 20000405 | Kleine Eyolf | 20000405 | 5th April 2000 | Toneelschuur Haarlem | Toneelschuur Haarlem | Netherlands | |
| Königsblut, 19930122 | Königsblut nach "Die Kronprätendenten" von Henrik Ibsen | 19930122 | 22nd January 1993 | Deutsches Schauspielhaus | Deutsches Schauspielhaus | Germany | |
| Kukol'nyj dom, 19401029 | Kukol'nyj dom (A Doll's House) | 19401029 | 29th October 1940 | Gorodskoj dramatičeski teatr Kimry | Gorodskoj dramatičeski teatr Kimry | Russia | |
| Kísértetek, 19130107 | Kísértetek | 19130107 | 7th January 1913 | Zrenjanin | Zrenjanin | Serbia | |
| Kjærlighedens Komedie, 18980320 | Kjærlighedens Komedie | 18980320 | 20th March 1898 | Komediehuset | Komediehuset | Norway | |
| Klein Eyolf, 19170801 | Klein Eyolf | 19170801 | 1st August 1917 | Münchner Kammerspiele | Münchner Kammerspiele | Germany | |
| Klein Eyolf, 19090608 | Klein Eyolf | 19090608 | 8th June 1909 | Johann Strauss Theater | Johann Strauss Theater | Austria | |
| Kärlekens komedi, 18900128 | Kärlekens komedi | 18900128 | 28th January 1890 | Teatern i Lund | Teatern i Lund | Sweden | |
| Kongs-emnerne, 18640117 | Kongs-emnerne | 18640117 | 17th January 1864 | Christiania Theater | Christiania Theater | Norway | |
| Kísértetek, 19101128 | Kísértetek | 19101128 | 28th November 1910 | Gherla | Gherla | Romania | |
| Kísértetek, 19480113 | Kísértetek | 19480113 | 13th January 1948 | Szekszárd | Szekszárd | Hungary | |
| Kuklen dom, 19740122 | Kuklen dom | 19740122 | 22nd January 1974 | Dramatitschen teatar Ivan Dimov | Dramatitschen teatar Ivan Dimov | Bulgaria | |
| Kærlighedens komedie, 19340821 | Kærlighedens komedie | 19340821 | 21st August 1934 | Nationaltheatret | Nationaltheatret | Norway | |
| Kis Eyolf, 19470302 | Kis Eyolf | 19470302 | 2nd March 1947 | Csokonai Színház Irodalmi Kamaraszínház | Csokonai Színház Irodalmi Kamaraszínház | Hungary | |
| Kísértetek, 19270207 | Kísértetek | 19270207 | 7th February 1927 | Kaposvár | Kaposvár | Hungary | |
| Kärlekens komedi, 19030408 | Kärlekens komedi | 19030408 | 8th April 1903 | Svenska Teatern | Svenska Teatern | Finland | |
| Kjærlighetens komedie, 19610606 | Kjærlighetens komedie | 19610606 | 6th June 1961 | NRK Radio (Norge) | NRK Radio (Norge) | Norway | |
| kouklospito, Ena, 19950212 | Ena kouklospito | 19950212 | 12th February 1995 | | Kinimatografos Aristotelis | Greece | |
| Kísértetek, 19211217 | Kísértetek | 19211217 | 17th December 1921 | Várszínház | Várszínház | Hungary | |
| Komödie der Liebe, 19080527 | Komödie der Liebe | 19080527 | 27th May 1908 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kongsemnerne, 19890407 | Kongsemnerne | 19890407 | 7th April 1989 | Norske Teatret, Det | Det Norske Teatret | Norway | |
| Kummittelijoita, 19280321 | Kummittelijoita | 19280321 | 21st March 1928 | Turun Suomalainen Teatteri | Turun Suomalainen Teatteri | Finland | |
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