| Kardaś, Grzegorz | Grzegorz Kardaś | Composer | 1972 | 1 | |
| Khalaf, Raed | Raed Khalaf | Composer | 2000 | 1 | |
| Koder, Urban | Urban Koder | Composer | 1979 | 2 | |
| Kunad, Rainer | Rainer Kunad | Composer | 1966 | 1 | |
| Karganoff, -, | - Karganoff | Composer | 1922 | 1 | |
| Knabl, Rudolf G. | Rudolf G. Knabl | Composer | 1981 - 2010 | 7 | |
| Klíč, Josef | Josef Klíč | Composer | 2011 | 1 | |
| Kjerulf, Halfdan, | Halfdan Kjerulf | Composer | 1879 | 3 | |
| Kücken, Friedrich Wilhelm, | Friedrich Wilhelm Kücken | Composer | 1885 | 3 | |
| Kontsky, -, | - Kontsky | Composer | 1887 | 1 | |
| Krüger, Carl, | Carl Krüger | Composer | 1921 | 1 | |
| Krohn, Max, | Max Krohn | Composer | 1929 | 2 | |
| Kannapinn, Friedrich, | Friedrich Kannapinn | Composer | 1946 | 1 | |
| Kruse, Bjørn H., | Bjørn H. Kruse (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 | 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 - 1962 | 1 | |
| Kocyba , Tadeusz | Tadeusz Kocyba | Composer | 1983 | 2 | |
| Kalantzopoulos, Panos | Panos Kalantzopoulos | Composer | 1990 - 1991 | 1 | |
| Kirberg, Volker | Volker Kirberg | Composer | 2009 - 2010 | 1 | |
| Kucsera jr., Géza | Géza Kucsera jr. | Composer | 2011 | 1 | |
| Kaliski, Krzysztof | Krzysztof Kaliski | Composer | 2012 | 1 | |
| Kaspersen, Jan | Jan Kaspersen | Composer | 1990 | 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 - 1995 | 2 | |
| Karaïndrou, Eleni | Eleni Karaïndrou | Composer | 1991 - 2005 | 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 - 1998 | 3 | |
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