| Kelly Clarkson | Pop |
| The Killers | Rock |
| Kidz Bop Kids | Other |
| Kiroro | Pop |
| Kahitna | Pop |
| Kenny Rogers | Country |
| Keith Urban | Country |
| Kristen Bell | Pop |
| Kari Jobe | Hip-Hop |
| Kerispatih | Pop |
| Keala Settle & The Greatest Showman Ensemble | Other |
| Kings of Leon | Rock |
| Khalid | Other |
| Kirk Franklin | |
| Kyla | Pop |
| Ke$ha | Pop |
| Kla Project | Pop |
| Kero Kero Bonito | Pop |
| Korn | Rock |
| The King And I | |
| Kid Cudi | Hip-Hop |
| Kingston Trio | Country |
| Kansas | Rock |
| Kinks | Rock |
| Kris Kristofferson | Country |
| Kylie Minogue | Pop |
| Kamikazee | Rock |
| Kiss | Rock |
| Kygo | Electronic |
| Kevin Gates | Hip-Hop |
| Kodaline | Rock |
| Kid Rock | Rock |
| Kenny Loggins | Rock |
| The Kids | R&B |
| Kane Brown | Country |
| Kehlani | Other |
| Kraftwerk | Pop |
| Keane | Rock |
| Keyshia Cole | Hip-Hop |
| Keri Hilson | Pop |