| Kaiser und Galiläer, 18980923 | Kaiser und Galiläer | 18980923 | 23rd September 1898 | Großherzogliches Hoftheater Schwerin | Großherzogliches Hoftheater Schwerin | Germany | |
| Kronprätendenten, Die, 18980928 | Die Kronprätendenten | 18980928 | 28th September 1898 | Altonaer Stadttheater | Altonaer Stadttheater | Germany | |
| Kukol'nyj dom, 1899 | Kukol'nyj dom (A Doll's House / Кукольный дом) | 1899 | 1899 | Gorodskoj teatr Jaroslavl | Gorodskoj teatr Jaroslavl | Russia | |
| Kísértetek, 18990112 | Kísértetek | 18990112 | 12th January 1899 | Satu Mare | Satu Mare | Romania | |
| Kukol'nyj dom, 18990520 | Kukol'nyj dom (A Doll's House / Кукольный дом) | 18990520 | 20th May 1899 | Krasnodar | Krasnodar | Russia | |
| Komödie der Liebe, 18990601 | Komödie der Liebe | 18990601 | 1st June 1899 | Neues Sommer-Theater | Neues Sommer-Theater | Poland | |
| Kísértetek, 18991010 | Kísértetek | 18991010 | 10th October 1899 | Pécs | Pécs | Hungary | |
| Kis Eyolf, 18991012 | Kis Eyolf | 18991012 | 12th October 1899 | Vígszínház | Vígszínház | Hungary | |
| Kongs-Emnerne, 18991015 | Kongs-Emnerne | 18991015 | 15th October 1899 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kísértetek, 19000710 | Kísértetek | 19000710 | 10th July 1900 | Târgu Mureș | Târgu Mureș | Romania | |
| Komödie der Liebe, 19000713 | Komödie der Liebe | 19000713 | 13th July 1900 | Somossy-Mulató | Somossy-Mulató | Hungary | |
| Komödie der Liebe, 19000714 | Komödie der Liebe | 19000714 | 14th July 1900 | Theater in der Josefstadt | Theater in der Josefstadt | Austria | |
| Klein Eyolf, 19000717 | Klein Eyolf | 19000717 | 17th July 1900 | Münchner Schauspielhaus | Münchner Schauspielhaus | Germany | |
| Kísértetek, 19000801 | Kísértetek | 19000801 | 1st August 1900 | Hódmezővásárhely | Hódmezővásárhely | Hungary | |
| Komödie der Liebe, 19000915 | Komödie der Liebe | 19000915 | 15th September 1900 | Sezessionsbühne | Sezessionsbühne | Germany | |
| Kísértetek, 19001004 | Kísértetek | 19001004 | 4th October 1900 | Szeged | Szeged | Hungary | |
| Kongs-Emnerne, 19001010 | Kongs-Emnerne | 19001010 | 10th October 1900 | Nationaltheatret | Nationaltheatret | Norway | |
| Kämparne på Helgeland, 19001102 | Kämparne på Helgeland | 19001102 | 2nd November 1900 | Svenska Teatern | Svenska Teatern | Finland | |
| Kogda my, mërtvye, probuždaemsâ, 19001128 | Kogda my, mërtvye, probuždaemsâ (When We Dead Awaken / Когда мы, мёртвые, пробуждаемся) | 19001128 | 28th November 1900 | Moskovskij Hudožestvennyj akademičeskij teatr | Moskovskij Hudožestvennyj akademičeskij teatr
(Moscow Art Theatre) | Russia | |
| Kísértetek, 19010105 | Kísértetek | 19010105 | 5th January 1901 | Arad | Arad | Romania | |
| Kísértetek, 19011121 | Kísértetek | 19011121 | 21st November 1901 | Miskolc | Miskolc | Hungary | |
| Kísértetek, 19011218 | Kísértetek | 19011218 | 18th December 1901 | Bratislava | Bratislava | Slovak Republic | |
| Kogda my, mërtvye, probuždaemsâ, 1902 | Kogda my, mërtvye, probuždaemsâ (When We Dead Awaken / Когда мы, мёртвые, пробуждаемся) | 1902 | 1902 | Kostroma | Kostroma | Russia | |
| Kísértetek, 19030113 | Kísértetek | 19030113 | 13th January 1903 | Sombor | Sombor | Serbia | |
| Kummittelijoita, 19030201 | Kummittelijoita | 19030201 | 1st February 1903 | Helsingin Kaupunginteatteri | Helsingin Kaupunginteatteri
(Helsinki City Theatre) | Finland | |
| Kísértetek, 19030219 | Kísértetek | 19030219 | 19th February 1903 | Senta | Senta | Serbia | |
| Kísértetek, 19030311 | Kísértetek | 19030311 | 11th March 1903 | Opština Bečej | Opština Bečej | Serbia | |
| Keiser og Galilæer. 1ste Del: Cæsars Frafald, 19030320 | Keiser og Galilæer. 1ste Del: Cæsars Frafald | 19030320 | 20th March 1903 | Nationaltheatret | Nationaltheatret | Norway | 2 |
| Kärlekens komedi, 19030408 | Kärlekens komedi | 19030408 | 8th April 1903 | Svenska Teatern | Svenska Teatern | Finland | |
| Keiser og Galilæer. 1ste Del: Cæsars Frafald, 19030610 | Keiser og Galilæer. 1ste Del: Cæsars Frafald | 19030610 | 10th June 1903 | Kongliga Dramatiska Teatern (Gamla Dramaten) | Kongliga Dramatiska Teatern (Gamla Dramaten) | Sweden | |
| Klein Eyolf, 19030923 | Klein Eyolf | 19030923 | 23rd September 1903 | Metropol-Theater | Metropol-Theater | Germany | |
| Klein Eyolf, 19031126 | Klein Eyolf | 19031126 | 26th November 1903 | Theatersaal des Etablissements Tivoli | Theatersaal des Etablissements Tivoli | Germany | |
| Kísértetek, 19031127 | Kísértetek | 19031127 | 27th November 1903 | Bratislava | Bratislava | Slovak Republic | |
| Kärlekens komedi, 19040108 | Kärlekens komedi | 19040108 | 8th January 1904 | Svenska Teatern | Svenska Teatern | Sweden | |
| Klein Eyolf, 19040115 | Klein Eyolf | 19040115 | 15th January 1904 | Woogsplatz-Theater | Woogsplatz-Theater | Germany | |
| Klein Eyolf, 19040120 | Klein Eyolf | 19040120 | 20th January 1904 | Stadttheater Libau | Stadttheater Libau | Latvia | |
| Klein Eyolf, 19040124 | Klein Eyolf | 19040124 | 24th January 1904 | Saal des Gewerbevereins | Saal des Gewerbevereins | Latvia | |
| Kronprätendenten, Die, 19040409 | Die Kronprätendenten | 19040409 | 9th April 1904 | Stadttheater Brünn | Stadttheater Brünn | Czech Republic | |
| Kummittelijoita, 19040907 | Kummittelijoita | 19040907 | 7th September 1904 | Suomen Kansallisteatteri | Suomen Kansallisteatteri | Finland | |
| Kärlekens komedi, 19040920 | Kärlekens komedi | 19040920 | 20th September 1904 | Stora Teatern | Stora Teatern | Sweden | |
| Komödie der Liebe, Die, 190410 | Die Komödie der Liebe | 190410 | October
1904 | Metropol-Theater | Metropol-Theater | Germany | |
| Kronprätendenten, Die, 19041007 | Die Kronprätendenten | 19041007 | 7th October 1904 | Neues Theater | Neues Theater | Germany | |
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