| Khorvash, Fakhri | Fakhri Khorvash | Costume Designer | 1961 | 1 | |
| Karlander, Brita | Brita Karlander | Costume Designer | 1961 | 1 | |
| Kleinert, Tom | Tom Kleinert | Costume Designer | 2011 | 1 | |
| Kinn, Helga Maria | Helga Maria Kinn | Costume Designer | 1962 | 1 | |
| Kennett, Patt | Patt Kennett | Costume Designer | 1958 | 1 | |
| Kauschus, Alfons | Alfons Kauschus | Costume Designer | 1957 | 1 | |
| Kakridas, Dimitris | Dimitris Kakridas | Costume Designer | 2013 | 1 | |
| Kurttila, Jaana | Jaana Kurttila | Costume Designer | 1998 | 1 | |
| Kohler, Deb | Deb Kohler | Costume Designer | 2000 | 1 | |
| Keller, Virginia | Virginia Keller | Costume Designer | 1938 | 1 | |
| Kovačević, Snežana | Snežana Kovačević | Costume Designer | 2000 | 1 | |
| Kratz, Monika | Monika Kratz | Costume Designer | 1971 - 1976 | 2 | |
| Knight-Adams, Marcus | Marcus Knight-Adams | Costume Designer | 2016 | 1 | |
| Kılınç, Sinem | Sinem Kılınç (Sinem Kilinc) | Costume Designer | 2017 | 1 | |
| Kobayashi, Haruko | Haruko Kobayashi | Costume Designer | 1978 | 1 | |
| Khalilfar, Bahar | Bahar Khalilfar | Costume Designer | 2017 | 1 | |
| Kazcorowski, Hunter | Hunter Kazcorowski | Costume Designer | 2017 | 1 | |
| Kanou, Toyomi | Toyomi Kanou | Costume Designer | 1990 | 1 | |
| Kirishima, Yoshimi | Yoshimi Kirishima | Costume Designer | 1992 | 1 | |
| Kopera, Ashley | Ashley Kopera | Costume Designer | 2017 | 1 | |
| Kuzmanic, Ana | Ana Kuzmanic | Costume Designer | 2018 | 1 | |
| Kwong, Evan | Evan Kwong | Costume Designer | 2018 | 1 | |
| Kvíčalová, Juliána | Juliána Kvíčalová | Costume Designer | 2016 | 1 | |
| Kelly, Diana | Diana Kelly | Costume Designer | 1945 - 1946 | 2 | |
| Križ Posavec Drašković, Ida | Ida Križ Posavec Drašković | Costume Designer | 2015 | 1 | |
| Krpan, Žarka | Žarka Krpan | Costume Designer | 2015 | 1 | |
| Kiss, Fabióla | Fabióla Kiss | Costume Designer | 2018 | 1 | |
| Kančeva, Ilijana | Ilijana Kančeva | Costume Designer | 2016 | 1 | |
| Kuş, Gamze | Gamze Kuş | Costume Designer | 2019 | 1 | |
| Korolija, Ivana | Ivana Korolija | Costume Designer | 1984 | 1 | |
| Knode, Charles | Charles Knode | Costume Designer | 1981 | 1 | |
| Kjellsdotter, Anna | Anna Kjellsdotter | Costume Designer | 2022 | 1 | |
| Krninova-Gruev, Aleksandra | Aleksandra Krninov-Gruev (Александра Крнинова-Груев) | Costume Designer | 2011 | 1 | |
| Klas, Eri | Eri Klas | Conductor | 1992 | 1 | |
| Katajavuori, Esa | Esa Katajavuori | Conductor | 1994 | 1 | |
| Kohnke, Erich | Erich Kohnke | Conductor | 1932 | 1 | |
| Kießig, Georg | Georg Kießig | Conductor | 1939 | 1 | |
| Krannhals, Alexander | Alexander Krannhals | Conductor | 1940 | 1 | |
| Konwitschny, Franz | Franz Konwitschny | Conductor | 1940 | 1 | |
| Knudsen, Lennart, Nordløf | Lennart Nordløf Knudsen | Conductor | 1945 - 1946 | 2 | |
| Kragstad, Petter | Petter Kragstad | Conductor | 2013 - 2014 | 2 | |
| Kırhan, Yıldırım | Yıldırım Kırhan (Yıldırım Kırhan) | Conductor | 1971 | 1 | |
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