Name  | active from | active to | |
| Krevel | 1990 | 1992 | |
| Kreyson | 1989 | 1994 | |
| Krch-off band | 2006 | | |
| Kristina | 2007 | | |
| Kriticka situace | 1988 | 1996 |  |
| Krless | | | |
| Krobova, Sylvie | 1990 | | |
| Kroket | 1980 | 1988 | |
| Kroky Frantiska Janecka | 1973 | | |
| Kroky Zdenka Kalhouse | 1975 | | |
| Krucipusk | 1991 | | |
| Krumlova, Vladena | | | |
| Krutnava | 1997 | | |
| Krutzner, Jaromir | | | |
| Kryl, Karel | 1965 | 1995 | |
| Kryptor | 1987 | | |
| Krystof | 1993 | | |
| Krestan, Robert | 1978 | | |
| Krivankova, Miroslava | 1974 | 2021 | |
| Kriz, Bora | 1942 | 1987 | |
| Krizek, Honza | 2015 | | |
| Krizek, Ladislav | | | |
| KTO | 1963 | | |
| Kubatko | | | |
| Kubisova, Marta | 1963 | | |
| Kucaj, Martin | 1983 | | |
| Kucera, Petr | 1993 | | |
| KUH Trio | 2018 | | |
| Kuhnuv detsky sbor | 1932 | | |
| Kuchar, Jozef | 1947 | 1988 | |
