| Kogan, Arthur | Arthur Kogan | Director | 2016 | 1 | |
| Kestler, Richard | Richard Kestler | Director | 1896 | 1 | |
| Krčar, Ksenija | Ksenija Krčar | Director | 2015 | 1 | |
| Konstantinović, Ana | Ana Konstantinović | Director | 2016 | 1 | |
| Konjović, Jovan | Jovan Konjović | Director | 1955 | 1 | |
| Ksenija Krnajski | Krnajski, Ksenija | Director | 2006 | 1 | |
| Kauzlarić, Vesna | Vesna Kauzlarić | Director | 1956 | 1 | |
| Karim, Adel | Adel Karim | Director | 2005 | 1 | |
| Khalil, Ismail | Ismail Khalil | Director | 1975 | 1 | |
| Kingston, Peter | Peter Kingston | Director | 1996 | 1 | |
| Korabel'nik, M. | M. Korabel'nik | Director | 1954 | 1 | |
| Kodokolovič, Boris | Boris Kodokolovič | Director | 1957 | 1 | |
| Korotkevič, V. | V. Korotkevič | Director | 1970 | 1 | |
| Konstantonov, Georgij, Viktorovič | Georgij Viktorovič Konstantonov | Director | 1974 | 1 | |
| Kopylov, Ju. | Ju. Kopylov | Director | 1990 | 1 | |
| Karimi, Tahoora | Tahoora Karimi | Director | 2018 | 1 | |
| Kreisler, Otto | Otto Kreisler | Director | 1918 | 1 | |
| Kumaran, K.P. | K.P. Kumaran | Director | 2008 | 1 | |
| Knight, Castleton | Castleton Knight | Director | 1929 | 1 | |
| Kurchevskiy, Vadim | Vadim Kurchevskiy | Director | 1979 | 1 | |
| Kelleher, Jacob | Jacob Kelleher | Director | 2022 | 1 | |
| Kilmurry, Mark | Mark Kilmurry | Director | 2022 | 1 | |
| Kara, Seleb | Seleb Kara | Director | 2023 | 1 | |
| Kraemer, Gabriela | Gabriela Kraemer | Director | 2023 | 1 | |
| Kelln, Mya | Mya Kelln | Director | 2023 - 2024 | 2 | |
| Kulyabin, Timofey Aleksandrovich | Timofey Aleksandrovich Kulyabin (Тимофей Александрович Кулябин) | Director | 2012 - 2025 | 3 | |
| Kirwan, Ryan | Ryan Kirwan | Director | 2022 | 1 | |
| Kalaitzi, Glykeria | Glykeria Kalaitzi | Director | 2023 | 1 | |
| Kwok, Eliana | Eliana Kwok | Director | 2023 | 1 | |
| Kamil, Yusuf | Yusuf Kamil (Yūsuf Kāmil) | Director | 1953 | 1 | |
| Kwek, Luke | Luke Kwek | Director | 2014 | 1 | |
| Kowalski, Kuba | Kuba Kowalski | Director | 2019 | 1 | |
| Krinitsin, Vitaly | Vitaly Krinitsin (Виталий Криницин) | Director | 2020 | 1 | |
| Knight, David | David Knight | Director | 2025 | 1 | |
| Kelleher, Kenneth | Kenneth Kelleher | Director | 2025 | 1 | |
| Kasimow, Johanna | Johanna Kasimow | Director | 2025 | 1 | |
| Kern, Christa | Christa Kern | Director | 2024 | 1 | |
| Ki-ho, Lee | Lee Ki-ho (이기호) | Director | | 1 | |
| Koh, Timothy | Timothy Koh | Director | 2025 | 1 | |
| Ke, Zhou | Zhou Ke (周可) | Director | 2024 | 3 | |
| Kelly, Raphael | Raphael Kelly | Director | 1974 | 1 | |
| Kinding, Thomas | Thomas Kinding | Designer, Translator | 1961 - 1979 | 2 | |
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