| Kontogianni, Rena | Rena Kontogianni | Translator | 1986 - 2013 | 4 | 1 |
| Kontogiannis, Konstantinos | Konstantinos Kontogiannis | Actor | 1912 | 3 | |
| Kontogiannis, Kostas | Kostas Kontogiannis | Actor | 1984 | 1 | |
| Kontogiannis, Orestis | Orestis Kontogiannis | Actor | 1909 - 1910 | 4 | |
| Kontos, Giannis | Giannis Kontos | Actor | 2020 | 1 | |
| Kontou, Angeliki | Angeliki Kontou (Αγγελική Κοντού) | Actor, Musical Director | 2023 | 4 | |
| Kontoulis, Giannis | Giannis Kontoulis | Actor | 1964 - 1975 | 3 | |
| Kontouri, Nikaiti | Nikaiti Kontouri | Adaptation, Director | 2001 - 2005 | 6 | |
| Kontrabecki, John | John Kontrabecki | Actor | 1952 | 1 | |
| Kontsky, - | - Kontsky | Composer | 1887 | 1 | |
| Konttinen, Asko | Asko Konttinen | Sound Designer | 2002 | 1 | |
| Kontula, Martta | Martta Kontula | Actor | 1967 | 1 | |
| Konu, Leo | Leo Konu | Actor | 1980 | 1 | |
| Konur, Berna | Berna Konur | Actor | 2007 | 1 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Konvalinová, Irena | Irena Konvalinová | Actor | 2000 - 2011 | 7 | |
| Konwalinka, Gabriele | Gabriele Konwalinka | Actor | 2000 - 2001 | 2 | |
| Konwilski, Henryk | Henryk Konwilski | Choreographer | 1989 | 1 | |
| Konwitschny, Franz | Franz Konwitschny | Conductor | 1940 | 1 | |
| Konwitschny, Peter | Peter Konwitschny | Director | 2017 | 1 | |
| Kónya, Gizella | Gizella Kónya | Actor | 1919 | 1 | |
| Könyves, Erzsébet, Tóth | Erzsébet Tóth Könyves | Actor | 1933 | 1 | |
| Könyves, Jenő | Jenő Könyves | Actor | 1907 - 1913 | 18 | |
| Koo, Laura | Laura Koo | Costume Designer | 2003 | 1 | |
| Koodres, Siiri | Siiri Koodres | Actor | 2006 | 1 | |
| Kooij, Paul, R. | Paul R. Kooij | Actor | 1991 - 1992 | 14 | |
| Kooijman, Willy | Willy Kooijman | Actor | 1994 | 1 | |
| Kooiman, Louise | Louise Kooiman | Actor | 1923 | 1 | |
| Kook, Beryl | Beryl Kook | Actor | 1917 - 1930 | 2 | |
| Koolish, Lynn | Lynn Koolish | Lighting Designer | 1980 | 1 | |
| Koolish, Maxine | Maxine Koolish | Actor | 1932 | 1 | |
| Koolschijn, Hugo | Hugo Koolschijn | Actor | 1973 - 2003 | 39 | 1 |
| Koon, Charles | Charles Koon | Lighting Designer | 1942 | 1 | |
| Koon, Robert | Robert Koon | Actor, Lighting Designer | 1948 - 2018 | 3 | |
| Koon, Yeo Kook | Yeo Kook Koon | Lighting Designer | 2009 - 2012 | 3 | |
| Koonen, A. | A. Koonen | Actor | 1900 - 1924 | 5 | |
| Koonen, Alisa | Alisa Koonen | Actor | 1912 - 1958 | 3 | |
| Koop, Else | Else Koop | Actor | 1910 - 1912 | 4 | |
| Koop, Georg | Georg Koop | Actor | 1940 | 1 | |
| Koop, Sarah | Sarah Koop | Actor | 2018 | 1 | |
| Kooperstein, Maureen | Maureen Kooperstein | Actor | 1973 | 1 | |
| Koopman, Carlus | Carlus Koopman | Lighting Designer | 1987 | 1 | |
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