| Anna Kendrick | Soundtrack | 2 |
| Kings of Leon | RockAlternative Musik / Alternative Rock | 5 |
| Toby Keith | Country-MusikRock | 4 |
| Keyshia Cole | R'n'BPop | 2 |
| Israel "IZ" Kamakawiwoʻole | Ethnische Musik | 1 |
| Kirk Franklin | Kirchenmusik / Gospel | 3 |
| Katie Melua | Pop | 1 |
| Kitoboy | Rap/ Hip-Hop | 1 |
| Open Kids | Pop | 1 |
| Uncle Kracker | Country-MusikPopRock | 2 |
| The Kingsmen | Rock | 1 |
| Ky-Mani Marley | Rap/ Hip-Hop | 1 |
