K'naan
Keinan Abdi Warsame
Songs: Wavin' Flag (Coca-Cola Celebration Mix) - Is Anybody Out There (feat. Nelly Furtado) - Bang Bang (feat. Adam Levine) - Stop For A Minute (& Keane)
K/DA Songs: POP/STARS
Kadooh Songs: Floor It
Israel Kamakawiwo'ole
Also known as Bruddah Iz, Bradda IZ
Songs: Over The Rainbow / What A Wonderful World
Karol G
Songs: Tusa (feat. Nicki Minaj) - Mi cama - China (& Anuel AA & Daddy Yankee)
Kasalla Songs: Pirate
Kavinsky Songs: Nightcall (Drive OST)
Kelis Songs: Millionaire (feat. André 3000) - Milkshake - Acapella - Bounce (& Calvin Harris) - Trick Me
Kensington
Songs: Uncharted - Heading Up High (feat. Armin Van Buuren) - Sorry - All For Nothing (From Bloedlink movie soundtrack) - Streets
Kermit
From The Muppet Movie movie soundtrack
See also: The Muppets

Songs: The Rainbow Connection
Kesha
KE$HA
Songs: Raising Hell (feat. Big Freedia) - Woman (feat. The Dap-Kings Horns) - TiK ToK - Praying - Body Talks (feat. The Struts)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: Mr. Brightside - Human - All These Things That I've Done - Somebody Told Me - Just Another Girl
The King and I (musical)
The musical (1951) Richard Rodgers & Oscar Hammerstein II
Gertrude Lawrence & Yul Brynner

Songs: I Whistle a Happy Tune (Gertrude Lawrence) - Shall We Dance? (Yul Brenner & Gertrude Lawrence) - Getting to Know You (Gertrude Lawrence) - I Have Dreamed (Doretta Morrow & Larry Douglas) - Something Wonderful (Dorothy Sarnoff)
Kiss
Paul Stanley, Gene Simmons, Tommy Thayer, Eric Singer & Bruno Eng
Songs: Detroit Rock City - I Was Made For Lovin' You - Rock and Roll All Nite - Strutter - Forever
Keira Knightley Songs: Lost Stars (Begin Again)
Krewella Songs: Alive
Kula Shaker Songs: Hush
Kungs Songs: This Girl (Remix) - Don't You Know (feat. Jamie N Commons) - I Feel So Bad (feat. Ephemerals) - More Mess (feat. Olly Murs & Coely)
Kwabs Songs: Walk
Kygo
Songs: Higher Love (& Whitney Houston) - It Ain't Me (& Selena Gomez) - Firestone (feat. Conrad) - Stole The Show (feat. Parson James) - Stargazing (feat. Justin Jesso)