| Kings of Leon | RockAlternative rock | 5 |
| Toby Keith | Country musicRock | 4 |
| Keyshia Cole | R'n'BPopReggaeRapSoundtrack | 3 |
| Israel "IZ" Kamakawiwoʻole | World | 1 |
| Kirk Franklin | Church / Christian music, Gospel | 3 |
| Katie Melua | Pop | 1 |
| Kitoboy | Rap | 1 |
| Open Kids | Pop | 2 |
| Uncle Kracker | Country musicPopRock | 2 |
| The Kingsmen | Rock | 1 |
| Ky-Mani Marley | Rap | 1 |
| Vybz Kartel | RapDance musicR'n'B | 3 |
