| Kongelige Teater, Det | Det Kongelige Teater | 1870 – 2012 | 384 | 4 |
| Kungliga Dramatiske Teatern | Kungliga Dramatiske Teatern | 1908 – 2013 | 58 | 2 |
| Kulturskatten i Telemark | Kulturskatten i Telemark | 2006 | 37 | |
| K.V. Het Nederlandsch Tooneel | K.V. Het Nederlandsch Tooneel | 1889 | 14 | |
| Kristiania Centraltheaters Tourné | Kristiania Centraltheaters Tourné | 1903 – 1904 | 11 | |
| Kattas Figurteater Ensemble | Kattas Figurteater Ensemble | 2011 | 8 | |
| Kystsogevekene 2005 | Kystsogevekene 2005 | 2005 | 6 | |
| Knut Lindroths sällskap | Knut Lindroths sällskap | 1907 – 1908 | 5 | |
| Königliches Hoftheater in Stuttgart | Königliches Hoftheater in Stuttgart | 1910 – 1912 | 4 | |
| K. K. Hof-Burgtheater | K. K. Hof-Burgtheater | 1896 | 3 | 1 |
| Kammerspiele Landshut | Kammerspiele Landshut | 2006 – 2007 | 3 | |
| Knut Lindroth - turnén | Knut Lindroth - turnén | 1914 | 3 | |
| Kindaigeki Kyokai (The Modern Theatre Society) | Kindaigeki Kyokai (The Modern Theatre Society) | 1912 – 1914 | 3 | |
| Kreukniet, Bigot, Poolman en Blaaser | Kreukniet, Bigot, Poolman en Blaaser | 1890 | 3 | |
| Kongsvinger Amatørteater | Kongsvinger Amatørteater | 2002 – 2007 | 3 | |
| Kunsthøgskolen i Oslo - Fakultet for scenekunst | Kunsthøgskolen i Oslo - Fakultet for scenekunst | 2006 | 2 | |
| Kunsthøgskolen i Oslo | Kunsthøgskolen i Oslo | 2012 | 2 | |
| Kraftlaget | Kraftlaget | 2006 | 2 | |
| Kokkolan kaupunginteatteri | Kokkolan kaupunginteatteri | 1921 – 2006 | 2 | |
| Kulturfestivalen i Norden | Kulturfestivalen i Norden | 1994 | 1 | |
| Kalužskij oblastnoj dramatičeskij teatr | Kalužskij oblastnoj dramatičeskij teatr (Kaluga Regional Drama Theatre) | 1982 | 1 | |
| Kleines Theater | Kleines Theater | 1905 | 1 | |
| Kongelige norske marines musikkorps | Kongelige norske marines musikkorps | 2013 | 1 | |
| Kinkasha | Kinkasha | 1997 | 1 | |
| KK Het Nederlandsche Tooneel, AFD. Rotterdam | KK Het Nederlandsche Tooneel, AFD. Rotterdam | 1884 | 1 | |
| Kulturtorget 2006 | Kulturtorget 2006 | 2006 | 1 | |
| Kiln Theatre | Kiln Theatre | 2019 | 1 | |
| King's College Drama Club | King's College Drama Club | 2002 | 1 | |
| Kavaná Produções | Kavaná Produções | 2022 | 1 | |
| Kitchen Theatre Company | Kitchen Theatre Company | 2003 | 1 | |
| Karin Swanström-Tourneen | Karin Swanström-Tourneen | 1906 | 1 | |
| Kollektiv Színtársulat, A | A Kollektiv Színtársulat | 1919 | 1 | |
| Kitchener Waterloo Little Theatre | Kitchener Waterloo Little Theatre | 2003 | 1 | |
| Kawakami Troupe, The | The Kawakami Troupe | 1911 | 1 | |
| Knox College | Knox College | 2006 | 1 | |
| Katemo Kathu Players | Katemo Kathu Players | 2010 | 1 | |
| Kirsten Flagstad Festival | Kirsten Flagstad Festival | 2006 | 1 | |
| Kulturfest Åsane 09 | Kulturfest Åsane 09 | 2009 | 1 | |
| Klia | Klia | 2023 | 1 | |
| Kent State University Repertory Company | Kent State University Repertory Company | 1968 | 1 | |
| Kółko Dramatycne | Kółko Dramatycne | 1910 | 1 | |
| Kenkyuza | Kenkyuza | 1923 | 1 | |
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