| Kvinnan från Havet, 19781110 | Kvinnan från Havet | 19781110 | 10th November 1978 | Hedemora | Hedemora | Sweden | |
| Kronprätendenten, Die, 19290213 | Die Kronprätendenten | 19290213 | 13th February 1929 | Deutsches Schauspielhaus | Deutsches Schauspielhaus | Germany | |
| Kísértetek, 18991010 | Kísértetek | 18991010 | 10th October 1899 | Pécs | Pécs | Hungary | |
| Kísértetek, 19250522 | Kísértetek | 19250522 | 22nd May 1925 | Gyula | Gyula | Hungary | |
| Kleine Eyolf, 20000413 | Kleine Eyolf | 20000413 | 13th April 2000 | Theater aan het Spui | Theater aan het Spui | Netherlands | |
| Komödie der Liebe, 19000915 | Komödie der Liebe | 19000915 | 15th September 1900 | Sezessionsbühne | Sezessionsbühne | Germany | |
| Kongs-emnerne, 18661126 | Kongs-emnerne | 18661126 | 26th November 1866 | Christiania Theater | Christiania Theater | Norway | |
| Kærlighedens Komedie, 19280308 | Kærlighedens Komedie | 19280308 | 8th March 1928 | Centralteatret | Centralteatret | Norway | |
| Kísértetek, 19101128 | Kísértetek | 19101128 | 28th November 1910 | Gherla | Gherla | Romania | |
| Kummittelijoita, 1943 | Kummittelijoita | 1943 | 1943 | Kotkan Kaupunginteatteri | Kotkan Kaupunginteatteri | Finland | |
| Kis Eyolf, 19991108 | Kis Eyolf | 19991108 | 8th November 1999 | Benczúr Ház | Benczúr Ház | Hungary | |
| Kísértetek, 19291230 | Kísértetek | 19291230 | 30th December 1929 | Makó | Makó | Hungary | |
| Kleine Eyolf, 20000308 | Kleine Eyolf | 20000308 | 8th March 2000 | Grand Theatre | Grand Theatre | Netherlands | |
| Kämparne på Helgeland, 19050906 | Kämparne på Helgeland | 19050906 | 6th September 1905 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19270207 | Kísértetek | 19270207 | 7th February 1927 | Kaposvár | Kaposvár | Hungary | |
| kouklospito, Ena, 19950213 | Ena kouklospito | 19950213 | 13th February 1995 | | Efxinos Leschi | Greece | |
| Kronprätendenten, Die, 19100630 | Die Kronprätendenten | 19100630 | 30th June 1910 | Großherzogliches Hof- und National-Theater | Großherzogliches Hof- und National-Theater | Germany | |
| Kísértetek, 19211217 | Kísértetek | 19211217 | 17th December 1921 | Várszínház | Várszínház | Hungary | |
| Kukol'nyj dom, 195804 | Kukol'nyj dom | 195804 | April 1958 | Saratovskij dramatičeski teatr imeni K. Marksa | Saratovskij dramatičeski teatr imeni K. Marksa | Russia | |
| Kämparna på Helgeland, 19280322 | Kämparna på Helgeland | 19280322 | 22nd March 1928 | Helsingborgs Stadsteater | Helsingborgs Stadsteater | Sweden | |
| Komodia tou erota, 20121225 | I komodia tou erota | 20121225 | 25th December 2012 | Studio Kypselis | Studio Kypselis | Greece | |
| Kämparne på Helgeland, 18920401 | Kämparne på Helgeland | 18920401 | 1st April 1892 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19110331 | Kísértetek | 19110331 | 31st March 1911 | Szeged | Szeged | Hungary | |
| Klein Eyolf, 19231120 | Klein Eyolf | 19231120 | 20th November 1923 | Burgtheater | Burgtheater | Austria | |
| Kísértetek, 19250325 | Kísértetek | 19250325 | 25th March 1925 | Komárom | Komárom | Hungary | |
| Kjempehøien, 19890826 | Kjempehøien | 19890826 | 26th August 1989 | Amfiet på Kirkeheia | Amfiet på Kirkeheia | Norway | |
| Kukol'nyj dom, 20010303 | Kukol´nyj dom | 20010303 | 3rd March 2001 | Teatr «Sotvorčeskie Teatral´nye Masterskie» | Teatr «Sotvorčeskie Teatral´nye Masterskie» | Russia | |
| Kísértetek, 19101130 | Kísértetek | 19101130 | 30th November 1910 | Orosháza | Orosháza | Hungary | |
| Klein Eyolf, 18950120 | Klein Eyolf | 18950120 | 20th January 1895 | Harmonie, De | De Harmonie | Netherlands | |
| Kis Eyolf, 19330418 | Kis Eyolf | 19330418 | 18th April 1933 | Kaposvár | Kaposvár | Hungary | |
| Kísértetek, 19221024 | Kísértetek | 19221024 | 24th October 1922 | Satu Mare | Satu Mare | Romania | |
| Kísértetek, 19270305 | Kísértetek | 19270305 | 5th March 1927 | Nemzeti Színház | Nemzeti Színház | Hungary | |
| kyra tis thalassas, I, 19520305 | I kyra tis thalassas | 19520305 | 5th March 1952 | Theatro Kyvelis | Theatro Kyvelis | Greece | |
| Kämparne på Helgeland, 19001102 | Kämparne på Helgeland | 19001102 | 2nd November 1900 | Svenska Teatern | Svenska Teatern | Finland | |
| Kísértetek, 19261025 | Kísértetek | 19261025 | 25th October 1926 | Mezőtúr | Mezőtúr | Hungary | |
| kouklospito, Ena, 19950111 | Ena kouklospito | 19950111 | 11th January 1995 | | Dimotiko Theatro Veroias | Greece | |
| Kvinnan från havet - av Susan Sontag, efter Henrik Ibsen, 20051111 | Kvinnan från havet - av Susan Sontag, efter Henrik Ibsen | 20051111 | 11th November 2005 | Intiman, Malmö Stadsteater | Intiman, Malmö Stadsteater | Sweden | |
| Klein-Eyolf, 19070226 | Klein-Eyolf | 19070226 | 26th February 1907 | Königliches Residenz-Theater | Königliches Residenz-Theater | Germany | |
| Kísértetek, 19200330 | Kísértetek | 19200330 | 30th March 1920 | Székesfehérvár | Székesfehérvár | Hungary | |
| Kukol'nyj dom, 1951 | Kukol'nyj dom (A Doll's House) | 1951 | 1951 | Ruskii dramatičeski teatr imeni M. Lermontova | Ruskii dramatičeski teatr imeni M. Lermontova | Russia | |
| Kærlighedens Komedie, 19280731 | Kærlighedens Komedie | 19280731 | 31st July 1928 | Centralteatret | Centralteatret | Norway | |
| Kísértetek, 19300710 | Kísértetek | 19300710 | 10th July 1930 | Szombathely | Szombathely | Hungary | |
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