Composers
| Composer name | Year of Birth | Death | Compositions in database |
|---|---|---|---|
| Košíková, Veronika | 1 | ||
| Kostaš, Martin | 4 | ||
| Kössl, Theodor | 1886 | 1969 | 6 |
| Kosina, Jiří | 1926 | 2000 | 4 |
| Kosíková, Irena | 1975 | 6 | |
| Kořínek, Petr | 1943 | 4 | |
| Kořán, Michal | 1 | ||
| Kořán, Jaroslav | 1962 | 1 | |
| Korte, Oldřich František | 1926 | 2014 | 13 |
| Koronthály, Petr | 1985 | 4 | |
| Korejs, Bohuslav | 3 | ||
| Kordík, Pavel | 1974 | 1 | |
| Kordasová Kiral, Elena | 1984 | 5 | |
| Korbař, Leopold | 1917 | 1990 | 6 |
| Kopelent, Marek | 1932 | 2023 | 136 |
| Kopecký, Pavel | 1949 | 41 | |
| Konvička, Martin | 0 | ||
| Konvalinka, Miloš | 1919 | 2000 | 7 |
| Koníř, Jindřich | 1959 | 1 | |
| Koníček, Štěpán | 1928 | 2006 | 1 |