Artists
- Kodaline
- Alfred Koerppen
- Barbara Konarska
- Bartlomiej Kominek
- Benjamin Kohn
- Bodo Koenigsbeck
- Buddy Knox
- Charles Koechlin
- Chris Kontos
- Christoph Koop
- Collie Knox
- Conrad Kocher
- David Knotts
- Dimitris Kontopoulos
- Ebbe Knudsen
- Edmund V. Knox
- Edwin Koch
- Erland von Koch
- Ernst-Lothar von Knorr
- Erwin Koch-Raphael
- Esko Koivumies
- Feodor Koenemann
- Gareth Koch
- Garth Knox
- Gavin Koolmon
- Graeme Koehne
- Gustav Friedrich Kogel
- Hans Henrik Koltze
- Henri Kooreneef
- Hermann Koenig
- Jakob Knudsen
- Jan Koetsier
- Jari Knuutinen
- Johannes H. E. Koch
- Joonas Kokkonen
- János Komives
- Józef Koffler
- Kaija Koo
- Karel Komzák II
- Kerli Koiv
- Leo Kok
- Manfred Koerth
- Maria Konopnicka
- Martiijn Konijnenburg
- Matthew Knott
- Matthew Koma
- Michael Koch
- Michał Kondracki
- Miklós Kocsár
- Moe Koffman
- Olavi Kontio
- Oliver Knussen
- Otto Knows
- Paul Kochanski
- Paul Kont
- Pierre Koclejda
- René Koering
- Rolf Julius Koch
- Santiago Kodela
- Shin Augustinus Kojima
- Sogomon Komitas
- Tatjana Komarova
- Ted Koehler
- Theo Koeneman
- Thomas Kohlhase
- Timo Koivusalo
- Ton Koopman
- Tord Knudsen
- Vladimir Kojoukharov
- Walter Kolneder
- Walter Kollo
- Willi Kollo
- Wulf Konold
- Zoltán Kocsis
- Zoltán Kodály