| Karlaganis, Andreas | Andreas Karlaganis | Dramaturg | 2011 - 2016 | 4 | |
| Kranz, Simone | Simone Kranz | Dramaturg | 2016 | 1 | |
| Knotková, Viktorie | Viktorie Knotková | Dramaturg | 2016 | 1 | |
| Korrek, Julia | Julia Korrek | Dramaturg | 2015 | 1 | |
| Kemser, Dag | Dag Kemser | Dramaturg | 2015 | 1 | |
| Klett, Marcel | Marcel Klett | Dramaturg | 2011 | 2 | |
| Kamorotos, Dimitris | Dimitris Kamorotos | Dramaturg | 2016 | 1 | |
| Kalb, Jonathan | Jonathan Kalb | Dramaturg | 2016 | 1 | 1 |
| Klíma, Miroslav | Miroslav Klíma | Dramaturg | 1998 | 1 | |
| Krause, Irene | Irene Krause | Dramaturg | 2000 | 1 | |
| Kockel, Ralf | Ralf Kockel | Dramaturg | 2000 | 1 | |
| Kaulfuss, Uta | Uta Kaulfuss | Dramaturg | 1973 | 1 | |
| Kropp, Joachim | Joachim Kropp | Dramaturg | 1977 | 1 | |
| Kölzow, Sascha | Sascha Kölzow | Dramaturg | 2017 | 1 | |
| Kaštelan, Lada | Lada Kaštelan | Dramaturg | 1996 | 1 | |
| Kjerstad, Morten | Morten Kjerstad | Dramaturg | 2019 | 1 | |
| Klampfer, Brina | Brina Klampfer | Dramaturg | 2019 | 1 | |
| Klarin Klár, Petr | Petr Klarin Klár | Dramaturg | 2017 | 2 | |
| Kade, Tarun | Tarun Kade | Dramaturg | 2021 | 1 | |
| Kehrmann, Boris | Boris Kehrmann | Dramaturg | 2021 | 1 | |
| Kvale, Helene | Helene Kvale (Helene Kvale) | Director, Translator | 2008 | 2 | |
| Krauß, Thomas | Thomas Krauß (Thomas Krauß) | Director, Translator | 2000 - 2007 | 6 | |
| Karabekir, Jale | Jale Karabekir (Jale Karabekir) | Director, Translator | 2010 - 2018 | 17 | |
| Keir, Phillip | Phillip Keir | Director, Translator | 1984 | 2 | 1 |
| Koyuncuoğlu, Emre | Emre Koyuncuoğlu | Director, Translator | 2012 | 2 | |
| Komisarjevsky, Theodore | Theodore Komisarjevsky (Theodore Komisarjevsky) | Director, Producer | 1921 - 1924 | 4 | |
| Kripalani, Pushan | Pushan Kripalani | Director, Musical Director | 2016 - 2017 | 6 | |
| Kuzmanich, Roberto | Roberto Kuzmanich | Director, Lighting Designer, Sound Designer | 2006 | 3 | |
| Keegan, Hugh | Hugh Keegan (Hugh Keegan) | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kooshk Jalali, Alireza | Alireza Kooshk Jalali (Alireza Kooshk Jalali) | Director, Dramaturg, Translator | 2010 | 3 | |
| Kuck, Gerd Leo | Gerd Leo Kuck | Director, Dramaturg | 1972 - 1996 | 4 | |
| Kissel, Hiltrud | Hiltrud Kissel | Director, Dramaturg | 1995 - 1996 | 3 | |
| Kawaji, Hiroshi | Hiroshi Kawaji (Hiroshi Kawaji) | Director | 1976 - 1977 | 3 | |
| Kjærulff-Schmidt, Palle | Palle Kjærulff-Schmidt (Palle Kjærulff-Schmidt) | Director | 1974 - 2000 | 2 | |
| Kato, Masaharu | Masaharu Kato (Masaharu Kato) | Director | 1993 | 1 | |
| Kessler, Alfred S | Alfred S Kessler (Alfred S Kessler) | Director | 1976 | 1 | |
| Kahn, Michael | Michael Kahn (Michael Kahn) | Director | 1979 - 2001 | 4 | 1 |
| Kaissar, Ken | Ken Kaissar (Ken Kaissar) | Director | 2006 | 1 | |
| Kaizik, Jürgen | Jürgen Kaizik (Jürgen Kaizik) | Director | 1991 | 1 | |
| Kalima, Eino | Eino Kalima (Eino Kalima) | Director | 1935 - 1952 | 3 | |
| Kališová, Jana | Jana Kališová (Jana Kališová) | Director | 1999 | 1 | |
| Kalmet, Leo | Leo Kalmet (Leo Kalmet) | Director | 1943 | 2 | |
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