Artists
- Koskis-Matti
- Kraftwerk
- Kralle
- Alex Kramer
- Alexander Korsantia
- Alison Krauss
- Alvar Kosonen
- Andre Kostelanetz
- Andrzej Koszewski
- Ansgar Krause
- Anton Krause
- Arvo Koskimaa
- Bill Kramer
- Christoph Koterzina
- Crystal Kowalski
- David Kraft
- David Kreuger
- Detlef Kraus
- Diana Krall
- Eduard Kremser
- Emanuele Krakamp
- Erich Wolfgang Korngold
- Ernst Krenek
- Franck Krawczyk
- Fritz Kreisler
- Gerhard Krapf
- Gorni Kramer
- Guido Kramer
- Heinz Kratochwil
- Herbert Kretzmer
- Ira Kosloff
- Iwan Kostlán
- Jan Krenz
- Jean Baptiste Kouame
- Jerzy Kornowicz
- Johann Anton Kozeluch
- Johann Ludwig Krebs
- Joseph Kosma
- Joseph Martin Kraus
- Joshua Krajcik
- Justyna Kowalska-Lasoń
- Kamil Kosecki
- Kenneth Krause
- Kenneth T. Kosche
- Lenny Kravitz
- Leopold Kozeluch
- Leopold Koželuh
- Markus Koskinen
- Mateusz Kościukiewicz
- Max Kowalski
- Michael Krausz
- Nikolaus Kraft
- Olaf Kramolowski
- Oliver Kraus
- Olli Kortekangas
- Paavo Korpijaakko
- Paul Kossoff
- Peder Kragerup
- Pekka Kostiainen
- Peter Kreude
- Peter Kreuder
- Rex Koury
- Richard Kretzlin
- Robert Krampe
- Russell Kramer
- Savan Kotecha
- Serge Alexandrovich Koussevitzky
- Sergey Koussevitzky
- Simon Krapp
- Stephen Kozmeniuk
- Uncle Kracker
- Vito Kovach
- Włodzimierz Kotoński
- Zenon Kowalowski
- Zygmunt Krauze