K'Jon Songs: This Time
K'naan Songs: Wavin' Flag (Coca-Cola Celebration Mix) - Stop For A Minute (& Keane) - Is Anybody Out There (feat. Nelly Furtado) - Bang Bang (feat. Adam Levine)
K3 Songs: MaMaSé!
Kamaleon Songs: Más
Kana Songs: Plantation
Kaolin Songs: Partons vite (si tu veux bien) - Je reviens
Karol G Songs: Mi cama
Kasalla Songs: Pirate
Kavinsky Songs: Nightcall (Drive OST)
Peter Kay Songs: Once Upon a Christmas Song (Geraldine McQueen)
Kazik Songs: 12 groszy
Keith Songs: 98.6
Gene Kelly
See also: Singin' In The Rain
Songs: Singin' in the Rain - Good Morning (Singin' In The Rain) - Moses Supposes (& Donald O'Connor) - 'S Wonderful (From An American in Paris movie soundtrack)
Michael Patrick Kelly Songs: Roundabouts - iD (feat. Gentleman)
Kensington Songs: All For Nothing (From Bloedlink movie soundtrack) - Heading Up High (feat. Armin Van Buuren) - Sorry - Streets
Kermit
From The Muppet Movie movie soundtrack
See also: The Muppets

Songs: The Rainbow Connection
Kids United
Gloria, Nilusi, Erza, Esteban, Carla & Gabriel
Songs: Imagine - On écrit sur les murs - Sur ma route (in duet with Black M) - Les lacs du Connemara - Au soleil (feat. Jenifer)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: Mr. Brightside - Human - Runaways - All These Things That I've Done - When You Were Young
Peter Kingsbery Songs: The Promise You Made (in duet with Anna LaCazio) - Only The Very Best
Ritva Kinnunen Songs: Pojat (in duet with Laila Kinnunen)
Kiss
Paul Stanley, Gene Simmons, Tommy Thayer, Eric Singer & Bruno Eng
Songs: Forever - God Gave Rock & Roll To You - Detroit Rock City - I Was Made For Lovin' You - Crazy Crazy Nights
Keira Knightley Songs: Lost Stars (Begin Again)
Kris Songs: Diese Tage (feat. Dante Thomas)
Kula Shaker Songs: Hush
Kult Songs: Baranek
Kungs Songs: This Girl (Remix) - More Mess (feat. Olly Murs & Coely) - Don't You Know (feat. Jamie N Commons) - I Feel So Bad (feat. Ephemerals)
Kutless Songs: Run
Kygo Songs: Firestone (feat. Conrad) - It Ain't Me (& Selena Gomez) - You're the Best Thing About Me (& U2) - Stargazing (feat. Justin Jesso) - Remind Me to Forget (feat. Miguel)