K'naan Songs: Wavin' Flag (Coca-Cola Celebration Mix) - Bang Bang (& Adam Levine) - Is Anybody Out There (& Nelly Furtado)
K. Maro Songs: Femme Like U (& Nancy Martinez) - Victoire (Shy'm)
Also known as Jere Pöyhönen
Songs: Cha cha cha (Eurovision Finland) - Cha cha cha (reggae mix)
Kabouter Plop Songs: De kabouterdans (Ine Blokzijl)
Kali Songs: Area Codes
Paul Kalkbrenner Songs: Sky and Sand (Berlin Calling)
Kalush Orchestra Songs: Stefania (Eurovision Ukraine)
Songs: The Haunting (Somewhere in Time) (& Simone Simons)
Kana Songs: Plantation
Karol G
Songs: Mi ex tenia razon - Amargura - 200 copas - Watati (& Aldo Ranks) - TQG (& Shakira)
Karsu Songs: Je suis malade (& Belle Pérez) - Losing You (Beste Zangers) - Hollywood Seven (Beste zangers)
Kavinsky Songs: Nightcall (Drive OST)
Chief Keef
Also known as Keith Farrelle Cozart
Songs: Love Sosa
Kensington Songs: Uncharted - Sorry - Heading Up High (& Armin Van Buuren) - Streets - All For Nothing (From Bloedlink movie soundtrack)
Songs: TiK ToK - Rainbow - My First Kiss (& 3OH!3) - Woman (& The Dap-Kings Horns) - Timber (& Pitbull)
Master KG
Songs: Jerusalema (& Nomcebo Zikode)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: Mr. Brightside - Somebody Told Me - Human - When You Were Young - A Dustland Fairytale
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) - Getting to Know You (Gertrude Lawrence) - Shall We Dance? (Yul Brenner & Gertrude Lawrence) - Hello, Young Lovers (Gertrude Lawrence) - I Have Dreamed (Doretta Morrow & Larry Douglas)
Evelyn King
Also known as Evelyn "Champagne" King
Songs: Shame - I'm in Love - Love Come Down
Noa Kirel (נועה קירל) Songs: Unicorn (Eurovision Israel)
Paul Stanley, Gene Simmons, Ace Frehley, Tommy Thayer, Eric Singer & Bruno Eng
Songs: C'mon and Love Me - Rock and Roll All Nite - I Was Made For Lovin' You - Unholy - Beth
Brett Kissel Songs: Damn (& Dave Mustaine)
Vitor Kley Songs: O Sol
Koxie Songs: Garçon
Krewella Songs: Alive
Kris Kross Amsterdam
Jordy & Sander Huisman, Yuki Kempees
Songs: How You Samba (& Sofía Reyes & Tinie Tempah) - Vanavond (Uit m'n bol) (& Donnie & Tino Martin) - Vluchtstrook (& Antoon & Sigourney K) - Hij is van mij (& Maan, Tabitha & Bizzey) - Loop niet weg (& Emma Heesters & Tino Martin)
KSI Songs: Holiday
Lenny Kuhr Songs: De troubadour (Eurovision Netherland)
Kula Shaker Songs: Hush
Kult Songs: Baranek
Kutless Songs: Run
Benoît Poher, Florian Dubos, Nicolas Chassagne & Fabien Dubos
Songs: Dernière danse (feat. Cœur de pirate) (& Cœur de pirate) - XY - Le chemin (& Sita) - Les lois de l'attraction (& Madame Monsieur) - Dernière danse