| 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 | |
| Klein, Georg | Georg Klein | Composer | 2004 - 2008 | 6 | 1 |
| Karatolou, Maro | Maro Karatolou | Composer | 2004 | 1 | |
| Kalaš, Julius | Julius Kalaš | Composer | 1941 | 1 | |
| Kelly, Jane | Jane Kelly | Composer | 2015 - 2017 | 38 | |
| Kallerdahl, Fabian | Fabian Kallerdahl | Composer | 2005 | 1 | |
| Kaczyński, Adam | Adam Kaczyński | Composer | 1978 | 1 | |
| Kaszycki, Lucjan | Lucjan Kaszycki | Composer | 1963 | 1 | |
| Kohel, Moinuddin | Moinuddin Kohel | Composer | 2006 | 1 | |
| Khalid, Kamol | Kamol Khalid | Composer | 2006 | 2 | |
| Kjærbye, Kuno | Kuno Kjærbye | Composer | 2006 | 2 | |
| Khalef, Ahmed | Ahmed Khalef | Composer | 2006 | 5 | |
| Kollaros, Nikos | Nikos Kollaros | Composer | 2006 | 1 | |
| Kampen, Claire, Van | Claire Van Kampen | Composer | 2008 | 1 | |
| Kairies, Henrik | Henrik Kairies | Composer | 2008 | 1 | |
| Khan, Ahsan, Reza | Ahsan Reza Khan | Composer | 2015 | 2 | |
| König, Ulrich | Ulrich König | Composer | 2009 - 2010 | 3 | |
| Kröger, Olav | Olav Kröger | Composer | 2009 | 1 | |
| Kuhn, Timo | Timo Kuhn | Composer | 2010 - 2012 | 5 | |
| Kamalam, K. | K. Kamalam | Composer | 2015 | 1 | |
| Kraehahn, Arno | Arno Kraehahn | Composer | 2009 - 2016 | 5 | |
| Kaizar, Peter | Peter Kaizar | Composer | 1998 - 2010 | 2 | |
| Kalniņš, Imants | Imants Kalniņš | Composer | 1964 | 1 | |
| Kolczynski, Tomek | Tomek Kolczynski | Composer | 2013 | 1 | |
| Kemp, Malcom | Malcom Kemp | Composer | 2014 | 1 | |
| Karkoff, Maurice | Maurice Karkoff | Composer | 1963 | 1 | |
| Kerkmann, Fred | Fred Kerkmann | Composer | 2012 | 1 | |
| K, Leyla | Leyla K | Composer | 2011 | 1 | |
| Kavallari, Maria | Maria Kavallari | Composer | 2014 | 1 | |
| Kainer, Robert | Robert Kainer | Composer | 2013 | 1 | |
| Kawamoto, Satoru | Satoru Kawamoto | Composer | 1998 | 1 | |
| Kniep, Jason | Jason Kniep | Composer | 2000 | 1 | |
|
|
