| Band | Years | Genre | | Band | Years | Genre |
| K's Choice (9) | 1991 - | Alternative Rock | | King Diamond (5) | | Heavy Metal |
| K-Ci and Jojo (6) | 1997 - | Rock | | King Prawn (11) | 1993 - | Ska |
| Kadison, Joshua (3) | Feb 1965 - | Pop | | King Uszniewicz and his Uszniewicztones (2) | | |
| Kai (4) | 1992 - | Rhythm and Blues | | Kingdom Come (4) | 1888 - | Heavy Metal |
| Kairos (6) | Nov 2001 - | Christian Rock | | Kings of Convenience (5) | 1999 - | Rock |
| Kaiser Chiefs (4) | 2003 - | Post-Punk | | Kings X (4) | 1985 - | Rock |
| Kajagoogoo (3) | | Synthpop | | Kingsize (3) | | Rock |
| Kalimoto (2) | | | | Kingsmen, The (4) | | Garage Rock |
| Kamisen (2) | | | | Kingston Trio, The (5) | 1956 - 1967 | Folk |
| Kanary (3) | 1996 - | Rock | | Kinks, The (21) | 1963 - | Classic Rock |
| Kane and Abel (2) | | | | Kinleys, The (4) | | Country |
| Kansas (70) | 1973 - | Progressive Rock | | Kinzel and Hyde (1) | | |
| Karl Denson's Tiny Universe (3) | | Jam Rock | | KISS (137) | 1973 - | Rock |
| Karma Parade (2) | 1998 - | Progressive Rock | | Kittie (57) | 1997 - | Glam Rock |
| Karnataka (8) | | | | Kitty Gordon (15) | | Pop |
| Katatonia (3) | 1991 - | Progressive Rock | | Kix (5) | | Hair Metal |
| Katies, The (2) | | Rock | | klang (1) | | |
| Kato (2) | | Contemporary Christian | | KLF (5) | 1987 - May 1992 | Electronica |
| Katrina and the Waves (7) | 1981 - | Pop | | Klutching Envy (4) | | Industrial Drum and Bass |
| KC and the Sunshine Band (16) | 1973 - | Funk | | KMFDM (18) | Feb 1984 - | Industrial Rock |
| Keane (5) | 1997 - | Pop | | Knucklehead (2) | | Punk |
| Keel (5) | 1984 - 1988 | Rock | | Knut (2) | | Heavy Metal |
| Kenickie (5) | August 1994 - October 1998 | Punk | | Kodo (6) | 1981 - | Japanese |
| Kent (3) | 1990 - | Alternative Rock | | Kool and the Gang (3) | 1964 - | Funk |
| Kentucky Headhunters, The (5) | 1986 - | Country | | Korn (177) | 1993 - | Rock |
| Kickovers, The (3) | | | | Kosheen (3) | 1998 - | Electronica |
| Kid Creole and the Coconuts (2) | | | | Kosher (2) | | Funk |
| Kid Dakota (3) | | | | Kottonmouth Kings (10) | 1994 - | Heavy Metal |
| Kid Rock (33) | | Rock | | Kraftwerk (27) | 1970 - | Experimental Electronica |
| Kildig (2) | | | | Kramer, Billy J. & The Dakotas (2) | 1961 - 199? | British Invasion |
| Kill Hannah (4) | 1995 - | Glam Rock | | Krauss, Alison (18) | | Country |
| Kill II This (3) | | Heavy Metal | | Kreator (4) | 1983 - | Heavy Metal |
| Killers, The (6) | | | | Krezip (5) | 1997 - | Rock |
| Killing Heidi (11) | 1996 - | Alternative Rock | | Kris Kross (3) | 1991 - | Rap |
| Killing Joke (3) | 1978 - | Alternative Rock | | Krokus (2) | 1974 - | Heavy Metal |
| Killswitch Engage (10) | 1999 - | Heavy Metal | | KRU (4) | 1992 - | Pop |
| Kiltlifters (4) | 1999 - | Ska | | Kruder and Dorfmeister (7) | 1993 - | Electronica |
| Kimock, Steve (2) | | Jam Rock | | Kula Shaker (8) | 1995 - 1999 | Britpop |
| King (3) | 1983 - 1985 | Rock | | Kulay (2) | 1991 - | Hip-Hop |
| King's Singers (2) | | Choral | | Kumar, Amit (2) | | |
| King Adora (9) | 1998 - | Rock | | Kyrkjebo, Sissel (3) | | |
| King Black Acid (2) | | | | Kyuss (11) | 1989 - October, 1995 | Heavy Metal |
| King Crimson (6) | 13 January, 1969 - | Progressive Rock | |
