| Kannapinn, Friedrich | Friedrich Kannapinn | Composer | 1946 | 1 | |
| Kruse, Bjørn H. | Bjørn H. Kruse | Composer | 1991 | 38 | |
| Kopperud, Trond | Trond Kopperud | Composer | 1993 | 12 | |
| Kluften, Tonny | Tonny Kluften | Composer | 2001 | 1 | |
| Kodaly, Zoltán | Zoltán Kodaly | Composer | 2006 | 1 | |
| Kinkel, Gottfried | Gottfried Kinkel | Composer | 2006 - 2007 | 2 | |
| Kupka, Karel | Karel Kupka | Composer | 1973 | 1 | |
| Kanzaï, - | - Kanzaï | Composer | 2002 | 2 | |
| Kolehmainen, Eero-Pekka | Eero-Pekka Kolehmainen | Composer | 1995 - 1996 | 2 | |
| Kmoch, - | - Kmoch | Composer | 1911 | 1 | |
| Kymlicka, Milan | Milan Kymlicka | Composer | 1973 | 1 | |
| Kapstad, Egil | Egil Kapstad | Composer | 1973 | 1 | |
| Kolberg, Kåre | Kåre Kolberg | Composer | 1981 - 1997 | 2 | |
| Kantardzhiev, Nikola | Nikola Kantardzhiev | Composer | 1956 | 1 | |
| Kocyba, Tadeusz | Tadeusz Kocyba | Composer | 1990 | 1 | |
| Kalantzopoulos, Panos | Panos Kalantzopoulos | Composer | 1990 | 1 | |
| Kirberg, Volker | Volker Kirberg | Composer | 2009 | 1 | |
| Kucsera jr., Géza | Géza Kucsera jr. | Composer | 2011 | 1 | |
| Kaliski, Krzysztof | Krzysztof Kaliski | Composer | 2012 | 1 | |
| Kaspersen, Jan | Jan Kaspersen | Composer | 1990 - 1996 | 2 | |
| Kaufmann, Dieter | Dieter Kaufmann | Composer | 1985 | 1 | |
| Konrád, Ondřej | Ondřej Konrád | Composer | 1986 | 1 | |
| Karanth, B.V. | B.V. Karanth | Composer | 1995 | 2 | |
| Krzyżanowski, Marcin | Marcin Krzyżanowski | Composer | 1993 | 1 | |
| Konstantinov, Ljupče | Ljupče Konstantinov | Composer | 1991 | 1 | |
| Kypourgos, Nikos | Nikos Kypourgos | Composer | 1991 - 1994 | 2 | |
| Karaïndrou, Eleni | Eleni Karaïndrou | Composer | 1991 - 2004 | 2 | |
| Koumentakis, Giorgos | Giorgos Koumentakis | Composer | 1994 | 1 | |
| Kaczmarek, Jan, A. P. | Jan Andrzej Paweł Kaczmarek | Composer | 1995 | 1 | |
| Klusák, Jan | Jan Klusák | Composer | 1996 - 2002 | 3 | |
| Konieczny, Zygmunt | Zygmunt Konieczny | Composer | 1996 | 1 | |
| Kvam, Kyrre | Kyrre Kvam | Composer | 2013 | 1 | |
| Kikuchi, Yutaka | Yutaka Kikuchi | Composer | 1967 | 1 | |
| Kai, Michio | Michio Kai | Composer | 1967 | 1 | |
| Křivinka, Gustav | Gustav Křivinka | Composer | 1966 | 1 | |
| Kaul, Hans | Hans Kaul | Composer | 2002 - 2008 | 2 | |
| Kotepanos, Thodoros | Thodoros Kotepanos | Composer | 2002 | 1 | |
| Král, Darek | Darek Král | Composer | 2002 | 1 | |
| Koláčková, Tereza | Tereza Koláčková | Composer | 2013 | 1 | |
| Kudláč, Jakub | Jakub Kudláč | Composer | 2010 - 2011 | 5 | |
| Kofroň, Petr | Petr Kofroň | Composer | 2009 | 2 | 1 |
| Kleptsin, Aleksei | Aleksei Kleptsin | Composer | 2004 | 1 | |
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