| Korsgaard, Hans | Hans Korsgaard | Actor | 1990 | 1 | |
| Korsbæk, Nadia, Nabil | Nadia Nabil Korsbæk | Designer | 2013 | 1 | |
| Korsan, Noemi | Noemi Korsan | Director | 1965 | 1 | |
| Korrontay, Michael | Michael Korrontay | Actor | 1955 | 3 | |
| Korrek, Julia | Julia Korrek | Dramaturg | 2015 | 1 | |
| Korppi-Tommola, Riikka | Riikka Korppi-Tommola | Actor | 1981 | 1 | |
| Korposoff, Lars | Lars Korposoff | Actor | 1964 - 1991 | 24 | |
| Korpos , András | András Korpos | Actor | 2022 | 1 | |
| Korpi, Jukka | Jukka Korpi | Actor | 1991 - 1993 | 20 | |
| Korper, Debbie | Debbie Korper | Actor | 1991 - 2012 | 117 | |
| Korpalska, Anna | Anna Korpalska | Translator | 2006 | 1 | |
| Korovin, Igor | Igor Korovin | Actor | 2016 | 1 | |
| Korotkevič, V. | V. Korotkevič | Director | 1970 | 1 | |
| Korotkevič, N. | N. Korotkevič | Actor | 1970 | 1 | |
| Körösmezei, - | - Körösmezei | Actor | 1891 | 1 | |
| Kőrösi, István | István Kőrösi | Actor | 2013 | 1 | |
| Koronowski, Grete | Grete Koronowski | Actor | 1909 | 1 | |
| Koronkiewicz, Teofila | Teofila Koronkiewicz | Actor | 1962 | 1 | |
| Korompai, Vali | Vali Korompai | Actor | 1969 | 1 | |
| Koroly, Charles | Charles Koroly | Costume Designer, Designer, Sound Designer | 1999 - 2014 | 8 | 1 |
| Korolija, Ivana | Ivana Korolija | Costume Designer | 1984 | 1 | |
| Korolic, Dayan | Dayan Korolic | Actor, Composer | 2003 - 2016 | 8 | |
| Koroleva, Lina A. | Lina A. Koroleva | Actor | 1912 | 3 | |
| Korolanyi, Irene | Irene Korolanyi | Actor | 1919 | 1 | |
| Korogodsky, Danila | Danila Korogodsky | Designer | 2002 | 1 | 1 |
| Kornysheva, Daria | Daria Kornysheva | Costume Designer | 2007 - 2008 | 2 | |
| Környey, Paula | Paula Környey | Actor | 1931 | 1 | |
| Korntorp, Nora Rønningen | Nora Rønningen Korntorp | Actor | 2012 | 2 | |
| Korntopf, J. | J. Korntopf | Actor | 1917 | 1 | |
| Kornprobst, Jennifer | Jennifer Kornprobst | Actor | 2015 | 1 | |
| Kornmüller, Jacqueline | Jacqueline Kornmüller | Director | 1999 - 2005 | 3 | 1 |
| Kornmo, Tina Shagufta | Tina Shagufta Kornmo | Actor | 2012 | 1 | |
| Kornman, Cam | Cam Kornman | Actor | 1997 | 1 | |
| Kornitzer, Laszlo | Laszlo Kornitzer | Director | 1993 | 1 | |
| Kornitzer, Alice | Alice Kornitzer | Actor | 2004 - 2008 | 18 | |
| Korning, Julia | Julia Korning | Actor | 2013 | 1 | 1 |
| Kornilof, Natasha | Natasha Kornilof | Costume Designer | 1969 | 1 | |
| Kornfeld, Edna | Edna Kornfeld | Translator | 1966 - 1968 | 2 | |
| Kornev, V. | V. Kornev | Actor | 1990 | 1 | |
| Kornerup, Else | Else Kornerup | Actor | 1944 | 1 | |
| Körner, Wenzel | Wenzel Körner | | | | 4 |
| Körner, Roland | Roland Körner | Actor, Adaptation, Designer | 1987 | 3 | |
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