Artists
- Kansas
- Kasabian
- Kavinsky
- Kay One
- Adolpho Kaplan
- Al Kasha
- Alex Katunich
- Anna-Mari Kaskinen
- Anton Karas
- Armin Kaufmann
- Art Kaplan
- Art Kassel
- Bert Kaplan
- Bill Katz
- Bronislaw Kaper
- Buddy Kaye
- Carlo Karges
- Cay Karlsson
- Christian Karlsson
- Christopher Karloff
- Cyprien Katsaris
- Danny Kaye
- Dimitrios Katrivanou
- Elena Kats-Chernin
- Erkki Karu
- Eugenia Kanthou
- Franz-Josef Kastl
- Fred Karlin
- Frederick Karger
- Genari Karganoff
- Georg Katzer
- Gerd Karlick
- Girolamo Kapsberger
- Hannu Karlsson
- Harold Karr
- Heino Kaski
- Hershy Kay
- Jacob Kasher
- Jason Kay
- Jens Karlsson
- Johann-Hieronimus Kapsberger
- Jukka Karjalainen
- Julia Karlsson
- Kendell Kardt
- Kim Kashkashian
- Lars Karlsson
- Lee Kauderer
- Marta Kauffman
- Mieczysław Karłowicz
- Mies Karsemeijer
- Mikko Karjalainen
- Mikko Karmila
- Nicolas Karjinsky
- Nikolay Kapustin
- Pasi Kaunisto
- Paul Kaufman
- Raymond Katarzynski
- Robert Kapilow
- Robert Katscher
- Rudolf Kattnigg
- Sammy Kaye
- Sheku Kanneh-Mason
- Sigfrid Karg-Elert
- Sixtus Kargel
- Sol Kaplan
- Sylvain Kassap
- Tadeusz Kassern
- Tapani Kansa
- Tolga Kashif
- Turo Kartto
- Ulysses Kay
- Vicky Karagiorgos
- Vítězslava Kaprálová
- William Katz
- Yuri Kasparov