| Kronprätendenten, Die, 19310527 | Die Kronprätendenten | 19310527 | 27th May 1931 | Burgtheater | Burgtheater | Austria | |
| Kukol'nyj dom, 193910 | Kukol'nyj dom (A Doll's House) | 193910 | October 1939 | Dramteatr | Dramteatr | Russia | |
| Kämparna på Helgeland, 19280322 | Kämparna på Helgeland | 19280322 | 22nd March 1928 | Helsingborgs Stadsteater | Helsingborgs Stadsteater | Sweden | |
| Kronprätendenten, Die, 19081105 | Die Kronprätendenten | 19081105 | 5th November 1908 | Theater am Franzensplatz | Theater am Franzensplatz | Austria | |
| Kísértetek, 19220413 | Kísértetek | 19220413 | 13th April 1922 | Városi Színház | Városi Színház | Hungary | |
| Kaiser und Galiläer. I. Teil: Cäsars Abfall, 19080301 | Kaiser und Galiläer. I. Teil: Cäsars Abfall | 19080301 | 1st March 1908 | Schiller-Theater Charlottenburg | Schiller-Theater Charlottenburg | Germany | |
| Knappestøperen - av Anne Hilde Askø med fri gjendiktning fra Peer Gynt av Henrik Ibsen, 20100607 | Knappestøperen - av Anne Hilde Askø med fri gjendiktning fra Peer Gynt av Henrik Ibsen | 20100607 | 7th June 2010 | Friluftsmuseet på Spiralen | Friluftsmuseet på Spiralen | Norway | |
| Kämparne på Helgeland, 18760920 | Kämparne på Helgeland | 18760920 | 20th September 1876 | Sundsvall | Sundsvall | Sweden | |
| Kongsemnerne, 18790202 | Kongsemnerne | 18790202 | 2nd February 1879 | Komediehuset | Komediehuset | Norway | |
| Kísértetek, 19130113 | Kísértetek | 19130113 | 13th January 1913 | Čadca | Čadca | Slovak Republic | |
| Kis Eyolf, 19330519 | Kis Eyolf | 19330519 | 19th May 1933 | Baja | Baja | Hungary | |
| Kukol'nyj dom, 19590426 | Kukol´nyj dom | 19590426 | 26th April 1959 | Teatr imeni Mossoveta | Teatr imeni Mossoveta | Russia | |
| Kleine Eyolf, 20000427 | Kleine Eyolf | 20000427 | 27th April 2000 | Posthuis Theater | Posthuis Theater | Netherlands | |
| Kísértetek, 19120104 | Kísértetek | 19120104 | 4th January 1912 | Kaposvár | Kaposvár | Hungary | |
| Kísértetek, 19501031 | Kísértetek | 19501031 | 31st October 1950 | Narodno pozorište Subotica (Szabadkai Népszínház) | Narodno pozorište Subotica (Szabadkai Népszínház) | Serbia | |
| kouklospito, Ena, 19950202 | Ena kouklospito | 19950202 | 2nd February 1995 | | Dimotiko Theatro Naousas | Greece | |
| Kongsemnerne, 19620523 | Kongsemnerne | 19620523 | 23rd May 1962 | Nationale Scene, Den | Den Nationale Scene | Norway | |
| Kísértetek, 19000710 | Kísértetek | 19000710 | 10th July 1900 | Târgu Mureș | Târgu Mureș | Romania | |
| Kísértetek, 19270217 | Kísértetek | 19270217 | 17th February 1927 | Sopron | Sopron | Hungary | |
| Kronprätendenten, Die, 19070923 | Die Kronprätendenten | 19070923 | 23rd September 1907 | Königliches Hof- und National-Theater | Königliches Hof- und National-Theater | Germany | |
| Kaiser und Galiläer. I. Teil: Cäsars Abfall, 19240927 | Kaiser und Galiläer. I. Teil: Cäsars Abfall | 19240927 | 27th September 1924 | Schauspielhaus Düsseldorf | Schauspielhaus Düsseldorf | Germany | |
| Kukol'nyj dom, 1899 | Kukol'nyj dom (A Doll's House) | 1899 | 1899 | Gorodskoj teatr Jaroslavl | Gorodskoj teatr Jaroslavl | Russia | |
| Kærlighedens Komedie, 19280731 | Kærlighedens Komedie | 19280731 | 31st July 1928 | Centralteatret | Centralteatret | Norway | |
| Kísértetek, 19230117 | Kísértetek | 19230117 | 17th January 1923 | Eger | Eger | Hungary | |
| Kísértetek, 19140102 | Kísértetek | 19140102 | 2nd January 1914 | Alba Iulia | Alba Iulia | Romania | |
| Konsertant Peer Gynt av Edvard Grieg. Tekst av Henrik Ibsen, 20040603 | Konsertant Peer Gynt av Edvard Grieg. Tekst av Henrik Ibsen | 20040603 | 3rd June 2004 | Madrid | Madrid | Spain | |
| kyra tis thalassas, I, 19890522 | I kyra tis thalassas | 19890522 | 22nd May 1989 | ERT A’ Programma Radio | ERT A’ Programma Radio | Greece | |
| Kvinnan från Havet, 19781110 | Kvinnan från Havet | 19781110 | 10th November 1978 | Hedemora | Hedemora | Sweden | |
| Kjærlighedens Komedie, 18840224 | Kjærlighedens Komedie | 18840224 | 24th February 1884 | Christiania Theater | Christiania Theater | Norway | |
| Kísértetek, 19110928 | Kísértetek | 19110928 | 28th September 1911 | Veszprém | Veszprém | Hungary | |
| Kísértetek, 19070123 | Kísértetek | 19070123 | 23rd January 1907 | Subotica | Subotica | Serbia | |
| Kis Eyolf, 19321017 | Kis Eyolf | 19321017 | 17th October 1932 | Nyíregyháza | Nyíregyháza | Hungary | |
| 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, 19251101 | Kísértetek | 19251101 | 1st November 1925 | Budapest | Budapest | Hungary | |
| Kleine Eyolf, 20000413 | Kleine Eyolf | 20000413 | 13th April 2000 | Theater aan het Spui | Theater aan het Spui | Netherlands | |
| Kronprätendenten, Die, 19130925 | Die Kronprätendenten | 19130925 | 25th September 1913 | Leipziger Stadttheater, Altes Theater | Leipziger Stadttheater, Altes Theater | Germany | |
| Kukol'nyj dom, 194101 | Kukol'nyj dom (A Doll's House) | 194101 | January 1941 | Dramatičeski tetr Nižnij-Tagil | Dramatičeski tetr Nižnij-Tagil | Russia | |
| Kísértetek, 19450630 | Kísértetek | 19450630 | 30th June 1945 | Arad | Arad | Romania | |
| kouklospito, Ena, 19801225 | Ena kouklospito | 19801225 | 25th December 1980 | | Theatro Monternoi Kairoi | Greece | |
| Kai mes mirę nubusim, 20110225 | Kai mes mirę nubusim | 20110225 | 25th February 2011 | Šiaulių dramos teatras | Šiaulių dramos teatras | Lithuania | |
| Kjærlighedens komedie, 19180920 | Kjærlighedens komedie | 19180920 | 20th September 1918 | Nationale Scene, Den | Den Nationale Scene | Norway | |
| Ko se mrtvi prebudimo, 19840928 | Ko se mrtvi prebudimo | 19840928 | 28th September 1984 | Drama SNG Maribor | Drama SNG Maribor | Slovenia | |
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