| | - Kaci Brown
- Kahil El'Zabar
- Kaidi Tatham
- Kalle Kalima & K-18
- Kamaal Williams
- Kamasi Washington
- Kammerflimmer Kollektief
- Kanaan
- Kandace Springs
- Kante
- Karate
- Karcius
- Karen Souza
- Karfagen
- Kari Bremnes
- Karin Krog
- Karl Denson
- Karo Ndoite
- Karolina Glazer
- Karrin Allyson
- Karsu Donmez
- Kassa Overall
- Kat Edmonson
- Kate Ceberano
- Kate Ceberano & Paul Grabowsky
- Kate McGarry
- Katharine McPhee
- Kathryn Williams & Anthony Kerr
- Katica Illenyi
- Katie Melua
- Katie Noonan
- Katrine Madsen
- Kay Kyser
- Kay Starr
- Kayla Waters
- Kazumi Watanabe
- KBB
- Keef Hartley
- Keef Hartley Band
- Keely Smith
- Keenan Meyer
- Keiko Matsui
- Keith Jarrett
- Keith Jarrett & Jack DeJohnette
- Keith Jarrett and Charlie Haden
- Keith Jarrett Trio
- Keith Jarrett, Charlie Haden, Paul Motian
- Keith Jarrett, Gary Peacock & Jack DeJohnette
- Keith Karns Big Band
- Keith Slattery
- Kelan Philip Cohran & The Hypnotic Brass Ensemble
- Kelis
| - Kellylee Evans
- Ken Navarro
- Ken Powe
- Kendrick Scott
- Kendrick Scott Oracle
- Kenee Maree
- Kenichiro Nishihara
- Kenney Polson
- Kenny Barron
- Kenny Barron & Dave Holland
- Kenny Barron & Dave Holland Trio
- Kenny Barron & Regina Carter
- Kenny Barron Quintet
- Kenny Barron Trio
- Kenny Burrell
- Kenny Burrell & Jimmy Smith
- Kenny Carr
- Kenny Dorham
- Kenny G
- Kenny G & Rahul Sharma
- Kenny Garrett
- Kenny Werner
- Kenny Wheeler
- Kenny Wheeler Big Band
- Kenny Wheeler Quintet
- Kenya
- Kermit Ruffins
- Ketil Bjornstad, David Darling, Terje Rypdal & Jon Christensen
- Kevin Eubanks
- Kevin Hays, Mark Turner & Marc Miralta
- Kevin Mahogany & Tony Lakatos
- Kevin Michael
- Kevin Parlor
- Keyon Harrold
- Khari Cabral & Jiva
- Kidd Jordan, Hamid Drake & William Parker
- Kiefer
- Kieran Hebden and Steve Reid
- Kim Burrell
- Kim Pensyl
- Kim Scott
- Kim Waters
- Kimberley Locke
- King Crimson
- King Curtis
- King Curtis & Champion Jack Dupree
- King Gizzard & the Lizard Wizard
- King Krule
- Kinga Glyk
- Kingdom Builders
- Kinkajous
- Kinny
| - Kip Hanrahan
- Kirk Degiorgio
- Kirk Fischer
- Kirk Lightsey Trio
- Kirk MacDonald Quintet
- Kirk Whalum
- Kirke Karja, Etienne Renard & Ludwig Wandinger
- Kit Downes
- Kit Downes, Petter Eldh, James Maddren
- Kitty Kallen
- Kitty Margolis
- Kitty Winter Gipsy Nova
- Kitty, Daisy & Lewis
- Kiyoshi Kitagawa
- Kiyoshi Sugimoto
- Klaus Doldinger
- Kneebody
- Knower
- Knut Rossler & Johannes Vogt
- Koinonia
- Koji Kondo
- Kokoroko
- Kombo
- Kool & Klean
- Kool & The Gang
- Koop
- Kraak & Smaak
- Kraan
- Kris Berry
- Kris Bowers
- Kris Brownlee
- Kristin Korb
- Kruder & Dorfmeister
- Ksenia Parkhatskaya
- Kumi Koda
- Kung Fu
- Kurt Elling
- Kurt Maloo
- Kurt Rosenwinkel
- Kurt Rosenwinkel Bandit 65
- Kurt Rosenwinkel Standards Trio
- Kyle Eastwood
- Kyle Turner
- Kyoto Jazz Massive
- The Kandinsky Effect
- The Karminsky Experience Inc.
- The Kaya Collective
- The KBCS
- The Keith Tippett Group
- The Ken Peplowski Quintet
- The Kilimanjaro Darkjazz Ensemble
- The King's Singers
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