- K B Projekt
- K'Jon
- K'naan
- Kami K
- Sebo K & Metro
- K-Ci & JoJo
- Ernie K-Doe
- K-Klass
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- K.I.G.
- K.K. Indian pop artist & playback singer
- K.P. & Envyi
- K2 Family
- K54
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- Patricia Kaas
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- Kaiser Chiefs
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- Kajagoogoo
- Kalakuta Millionaires UK based AfroFunk Latino band
- Maria Kalaniemi
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- Pépé Kallé
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- Lee Kalt & Mark Alston
- Suman Kalyanpur
- Israel Kamakawiwoʻole
- Michael Kamen
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- Ini Kamoze
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- Kandi
- The Kane Gang
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- A.S. Kang
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- Kansas
- Mory Kanté
- Kap Bambino
- Kap Bambino & Khima France
- Lucy Kaplansky
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- Kasha
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- Kaskade & deadmau5
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- Ray Keith vs. Nookie
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- Khalid
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- Eddie Kirk US blues guitarist
- John Kirkpatrick
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- KISS US Rock band
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- Akira Kiteshi
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- Klark Kent
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- Kleenex renamed LiLiPUT
- Kleerup
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- Klein & M.B.O.
- Jess Klein
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- The Klezmatics
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- Melody Klyman
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- Lisa Knapp
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- The Knight Brothers
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- Peter Knight Steeleye Span Fiddler
- Peter Knight & His Orchestra
- Peter Knight & The Nightriders
- Robert Knight
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- Steve Knightley
- Mark Knopfler
- Mark Knopfler & Emmylou Harris
- Lizanne Knott
- Dave Knowles
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- Knox
- Buddy Knox
- Knuckleheadz
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- Greg Koch
- Zoltán Kodály
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- Tony Kofi
- Habib Koité
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- The Kolettes
- Koma & Bones
- Kon Kan
- Bobby Konders
- John Kongos
- Koninklijk Concertgebouworkest
- Lee Konitz
- Konk
- Konk Pack
- Konono Nº1
- Konshens
- The Kooks UK band
- Kool & The Gang
- Kool G Rap
- Kool G Rap & DJ Polo
- DJ Kool
- Koop
- Kora Jazz Trio
- Korby Lenker
- The Korgis
- Korn
- Alexis Korner's Blues Incorporated
- Alexis Korner
- Kosheen
- André Kostelanetz
- Kotchy
- Leo Kottke
- Bassekou Kouyate
- Bassekou Kouyate & Ngoni ba
- Kandia Kouyaté
- Alexander Kowalski
- DJ Koze
- Mark Kozelek
- Kraak & Smaak
- Kraftwerk
- David Krakauer
- Kraken UK drum n bass group
- Jane Krakowski
- Diana Krall
- Billy J. Kramer
- Billy J. Kramer & The Dakotas
- Alison Krauss
- Alison Krauss & Union Station
- Lenny Kravitz
- Bobby Kray
- Krazy Baldhead
- Kreator
- Kris Kelly
- Kris Kross
- Krischan
- Krishna
- Kavita Krishnamurthy
- Kristine W
- Kris Kristofferson
- Kris Kristofferson & Rita Coolidge
- Chad Kroeger
- Krokus
- Krome & Time
- Kromestar
- Kronos Quartet
- Kronos Quartet & Asha Bhosle
- KRS-One
- KRS-One & Buckshot
- Gene Krupa
- Gene Krupa and His Orchestra
- Krush UK techno group "House Arrest"
- DJ Krush
- Krust
- Krystal Tears
- Kshitij, Shilpa Rao
- KT Sullivan
- KTU
- Ali Hassan Kuban & The Nubian band
- Bob Kuban and The In-Men
- Kubb
- Felix Kubin
- Marta Kubišová
- Dr. Kucho!
- Judy Kuhn
- Kula Shaker
- Kulwinder Dillon
- Kumar
- Amit Kumar
- Hemant Kumar
- Kazz Kumar Vocalist from Sona Family
- Kishore Kumar
- Neeraj Shridhar, Tulsi Kumar Two Indian Singers
- Shabbir Kumar
- KunK
- Charlie Kunz & His Casani Club Orchestra
- Erich Kunzel and the Cincinnati Pops Orchestra
- Kursaal Flyers
- Kurtis Blow
- Dayna Kurtz
- Kut Klose
- Fela Kuti
- Femi Kuti
- Seun Kuti & Fela's Egypt 80
- Kutosis
- Kutz
- Kwam
- Ras Kwame
- Talib Kweli
- Ben Kweller
- Kyiv Symphony Orchestra
- Kyla Filipino R&B singer
- Kylie Minogue vs. New Order
- Charles Kynard
- Kyuss
- Kyza
