| Korycka, Danuta | Danuta Korycka | Actor | 1972 | 1 | |
| Korzan, Andrej | Andrej Korzan | Actor | 2017 | 1 | |
| Korzeniewska, Józefa | Józefa Korzeniewska | Actor | 1908 | 1 | |
| Kos, Albert | Albert Kos | Director | 1982 | 1 | |
| Kos, Boštjan | Boštjan Kos | Lighting Designer | 2014 - 2015 | 2 | |
| Kos, Slavica | Slavica Kos | Actor | 1933 | 1 | |
| Kósa, Béla | Béla Kósa | Actor | 2005 | 2 | |
| Košak, Vinko | Vinko Košak | Translator | 1928 - 1929 | 2 | |
| Kosaki, Yoshika | Yoshika Kosaki | Actor | 1934 | 1 | |
| Kosari, Fariba | Fariba Kosari | Actor | 2006 | 1 | |
| Kosari, Jahangir | Jahangir Kosari | Producer | 2014 | 1 | |
| Košata, Zdeněk | Zdeněk Košata | Actor | 1993 | 1 | |
| Kosch, Emma | Emma Kosch | Actor | 1918 - 1919 | 3 | |
| Koschel, Uta | Uta Koschel | Actor | 1991 - 1993 | 2 | |
| Koschel, Uwe | Uwe Koschel | Actor | 1956 | 1 | |
| Koschitz, Julia | Julia Koschitz | Actor | 2006 | 3 | 1 |
| Koschka, Julia | Julia Koschka | Actor | 1951 | 1 | |
| Koschmann, Denise | Denise Koschmann | Dramaturg | 1996 | 1 | |
| Koschwitz, Andrea | Andrea Koschwitz | Adaptation, Dramaturg | 1994 - 2010 | 12 | |
| Kościakiewicz, August (?) | August (?) Kościakiewicz | Actor | 1898 | 1 | |
| Kościałkowska, Maria | Maria Kościałkowska | Actor | 1960 | 1 | |
| Kościuk, Michał | Michał Kościuk | Actor | 2006 - 2007 | 3 | |
| Kosel, David | David Kosel | Actor | 2009 - 2010 | 5 | 2 |
| Kosel, Walter | Walter Kosel | Actor | 1909 - 1919 | 8 | |
| Koševerov, Aleksandar | Aleksandar Koševerov | Actor, Director | 1900 - 1924 | 18 | |
| Koševerova, M. | M. Koševerova | Actor | 1900 - 1924 | 5 | |
| Kosewsky, Inez | Inez Kosewsky | Actor | 1992 | 1 | |
| Koshevaya, Anzhelika | Anzhelika Koshevaya (Анжелика Кошевая) | Actor | 2011 | 1 | |
| Koshy, Jose | Jose Koshy | Lighting Designer | 2010 | 1 | |
| Košič, Milan | Milan Košič | Actor | 1928 | 1 | |
| Kosić, Vaso | Vaso Kosić | Actor | 1941 | 1 | |
| Košická, Lenka | Lenka Košická | Actor | 1983 | 1 | |
| Kosidowski, Paul | Paul Kosidowski | Dramaturg | 2004 | 1 | 1 |
| Kosiniak, Jakub | Jakub Kosiniak | Actor | 1991 | 1 | |
| Kosinová, A. | A. Kosinová | Actor | 1913 | 1 | |
| Kosiński, Cezary | Cezary Kosiński | Actor | 2009 | 1 | |
| Kosiński, Feliks | Feliks Kosiński | Actor | 1903 | 2 | |
| Kosinski, Jan | Jan Kosinski | Designer | 1957 | 1 | |
| Kosiński, Włodzimierz | Włodzimierz Kosiński | Actor, Director | 1891 - 1922 | 12 | |
| Kosiorek, Andrew | Andrew Kosiorek | Lighting Designer | 1973 | 1 | |
| Kosiorek, Wacsaw | Wacsaw Kosiorek | Designer | 1955 | 1 | |
| Kositsyn, Boris | Boris Kositsyn | Actor | 2005 | 1 | |
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