Kartal, Julian Mendelsohn, Julio Iglesias, Karceral Flesh, Karl Bartos
- Joseph Ferraro and Lewis Howard
- Josh Groban
- Josh Klinghoffer and John Frusciante
- Josh Rouse
- Journeyman
- Jovanotti
- Joy
- Joy Denalane
- Joy Division
- Joyful Company Of Singers – Pe
- Judas Iscariot
- Judas Priest
- Juelz Santana
- Julian Mendelsohn
- Juliana
- Juliana Ondar
- Julio Iglesias
- Jun-Ichi Kamiyama
- June Kuramoto
- Jungle Rot
- Junkie XL
- Juno Reactor
- Jupiter 8000
- Justin Guarini
- Justin Timberlake
- Artists on letter K
- K Young
- K’s Choise
- K-Maro
- Kabat
- Kai Tracid
- Kaizers Orchestra
- Kalacakra
- Kalahari Surfers
- Kali Yuga – Varhorn
- Kaliban
- Kalidaskope
- Kalmah
- Kalyanji and Anandji
- Kamal
- Kamal, Deuter, Anugama
- Kamelot
- Kanye West
- Kaori Muraji
- Kaoru Wada
- Karceral Flesh
- Karelia
- Karelian Folk Music Ensemble
- Karen Matheson
- Karjalan Sissit
- Karl Bartos
- Karl Jenkins
- Karl Sanders
- Karma Tashi
- Karma To Burn
- Karnataka College Of Percussio
- Karsh Kale
- Karsh Kale and Tapan Raj
- Kartal
- Karunesh
- Kasey Chambers
- Katada Kijiku
- Kataklysm
- KATAXU
- Kate Rogers
- Kate Ryan
- Katharsis
- Kathleen Edwards
- Katie Melua
- Katy Rose
