- KK
- KK
- KKaa
- KaaKab
- KacKAF
- KagKai
- KaiKaj
- KajKal
- KalKal
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- KalKam
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- KarKas
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- KBKea
- KeaKee
- KeeKeh
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- KKum
- KumKun
- KunKur
- KurKur
- KurKut
- KutKwe
- KweKyg
- KygKyl
- KylkZm
- Karijord, Rebekka
- Karil
- Karim G
- Karim Kamar
- Karim, Ty
- Karima (Italian singer Karima Ammar)
- Karimloo, Ramin
- Karimloo, Ramin & [theatre]
- Karimloo, Ramin & Altomare, Christy
- Karimloo, Ramin, Beeman, Daniel, Csolak, Kurt, Manzari, John, Prescott, Justin & [theatre]
- Karimouche
- Karina (Spanish pop singer from the 60s / 70s)
- Karina ("La Princesita" - Argentinian cumbia artist)
- Karina (Brazilian samba singer)
- Karina (Venezuelan pop artist)
- Karina (Finnish indiepop band)
- Karina Buhr
- Karina Rykman
- Karina Tewkesbury (Christian artist)
- Karina, Anna
- Karina, Monica
- Karine et Rebecca (Belgian 1960/70s sisterly vocal duo)
- Kario & Yaret
- Kario & Yaret feat. Ñengo Flow
- Kario & Yaret feat. Yaga & Mackie
- Karis (latin merengue band)
- Karis, Jaz (Brit School, Singer Songwriter from South London)
- Karise Eden (Winner "The Voice" Australia 2012)
- Kariũki Nyokabi (Composer and performer from Kenya)
- Kariya
- Karizma (house producer Kris Klayton)
- Karizma (Fusion group founded by David Garfield)
- Karizma Duo
- Karjalainen, J.
- Karjalainen, J. ja Mustat Lasit
- Karjalainen, J., Electric Sauna
- Karjalainen, J., yhtyeineen
- Karkadan
- Karkaos
- Karkik’s, Los
- Kärkinen, Kaija & Kallio, Ile
- Karkkiautomaatti
- Karkwa
- Karl Baudoin
- Karl Denson’s Tiny Universe
- Karl die Große
- Karl Jeroboan
- Karl M (Dan Karlmer)
- Karl Stoll and the Danger Zone
- Karl X Johan
- Karl, Andy
- Karl, Frankie and Dreams, The
- Karlahan
- Karlberg, Jakob
- Karlberg, Sofia
- Karleuša, Jelena
- Karleuša, Olgica
- Karley Scott Collins
- Karlien van Jaarsveld
- Karliene
- Karlin, Fred
- Karlit & Kabok
- Karlito
- Karlı, Songül
- Karlk
- Karloff (Canadian screamo)
- Karloff, Boris
- Karlsnes, Lise
- Karlsson, Filipe
- Karlsson, Magnus, Free Fall (Solo project by Magnus Karlsson)
- Karlsson, Magnus, Free Fall feat. Jelusick, Dino
- Karlsson, Mathilda Skonare (Swedish misty pop)
- Karlsson, Mikael
- Karlsson, Nina
- Karlsson, Pelle
- Karlsson, Sebastian (Swedish singer)
- Karlsson, Sofia
- Karlsson, Stefan (piano)
- Karlsson, Sven
- Karlzen, Mary
- Karlzon, Jacob
- Karma (Croatian euro house/dance act)
- Karma (Egyptian rock band)
- Karma (Brazilian progressive metal band)
- Karma (South African singer, Karma-Ann Swanepoel)
- Karma (German nu-jazz duo)
- Karma (Lithuanian hip-hop producers Kshysiakas & Marko)
- Karma (1970's Brazilian progressive rock band)
- Karma (Finnish pop group)
- Karma (drum and bass artist Lloyd Thomas)