| Kustermann, Manuela | Manuela Kustermann | Actor | 1981 - 1993 | 9 | |
| Kusuyama, Masao | Masao Kusuyama | Translator | 1925 - 1969 | 7 | |
| Kutos, David | David Kutos | Designer | 1994 | 1 | |
| Kutsche, Sebastian | Sebastian Kutsche | Actor | 1997 | 1 | |
| Kutzsche, Anna | Anna Kutzsche | Actor | 1995 | 2 | |
| Kuźmiczówna, Maria, | Maria Kuźmiczówna | Actor | 1907 | 1 | |
| Kvale, Helene | Helene Kvale | Director, Translator | 2008 | 2 | |
| Kvamme, Ingeborg, | Ingeborg Kvamme | Costume Designer, Designer | 1992 - 2012 | 34 | |
| Kvapil, Jaroslav, | Jaroslav Kvapil | Adaptation, Director, Translator | 1901 - 2000 | 59 | |
| Kvapilová, Hana, | Hana Kvapilová | Actor | 1897 - 1906 | 8 | |
| Kwant, Lukas | Lukas Kwant | Costume Designer | 1996 - 2000 | 26 | |
| Kwiatkiewicz, Władysław, | Władysław Kwiatkiewicz | Actor | 1903 - 1910 | 4 | |
| Kwieciński, Lucjan, | Lucjan Kwieciński | Actor | 1883 - 1888 | 2 | |
| Kwok-lam, Char | Char Kwok-lam | Actor | 2001 | 1 | |
| Kyhn, Grete | Grete Kyhn | Actor | 1959 - 1960 | 2 | |
| Kyriacou, Koullis | Koullis Kyriacou | Actor | 1999 | 1 | |
| Kyser, Karl, | Karl Kyser | Actor | 1921 - 1932 | 8 | |
| Kirke, Francis T. | Francis T. Kirke | Director | 2007 | 8 | |
| Kamel, Youssef | Youssef Kamel | Translator | 2006 | 1 | |
| Kravtsjenko, Vladimir | Vladimir Kravtsjenko | | | | |
| Kahl, Franziska | Franziska Kahl | Actor | 2004 | 1 | |
| Kapiri, Thoko, | Thoko Kapiri | Adaptation | 2006 | 23 | |
| Kuwata, Takashi, | Takashi Kuwata | Actor | 2005 - 2013 | 14 | |
| Kareman, Pamela Moller, | Pamela Moller Kareman | Director | 2006 | 2 | |
| Krasoo, Aleksandra | Aleksandra Krasoo | Actor | 1970 | 1 | |
| Kane, John R | John R Kane | Designer | 1928 | 2 | |
| Kayser, Karl Georg | Karl Georg Kayser | Director | 1997 - 1999 | 2 | |
| Korber, Tamara | Tamara Korber | Actor | 1997 | 1 | |
| Kaiser, Florian | Florian Kaiser | Actor | 1997 | 1 | |
| Kralj, Petar | Petar Kralj | Actor | 1975 | 1 | |
| Káldi, Nóra | Nóra Káldi | Actor | 1974 - 1986 | 2 | |
| Koenen, Michael | Michael Koenen | Actor | 2007 | 2 | |
| Küpferle, Franziska | Franziska Küpferle | Actor | 1983 - 2000 | 2 | |
| Kjellgren, Johan, | Johan Kjellgren | Actor | 1995 - 2007 | 6 | |
| Konwilski, Henryk | Henryk Konwilski | Choreographer | 1989 | 1 | |
| Korsan, Noemi | Noemi Korsan | Director | 1965 | 1 | |
| Kosiorek, Wacsaw | Wacsaw Kosiorek | Designer | 1955 | 1 | |
| Kasuya, Toshiyuki | Toshiyuki Kasuya | Director | 1948 | 1 | |
| Kato, Nagaharu | Nagaharu Kato | Director | 1931 - 1937 | 2 | |
| Kikuchi, Yuichi | Yuichi Kikuchi | Actor | 1984 | 1 | |
| Kusaka, Yumi | Yumi Kusaka | Actor | 2000 | 1 | |
| Kodama, Taiji | Taiji Kodama | Actor | 1978 - 2003 | 6 | |
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