- KK
- KK
- KKAA
- KAAKad
- KadKah
- KahKai
- KaiKak
- KalKal
- KalKal
- KalKam
- KAMKam
- KamKAN
- KANKan
- KanK
- Kaokap
- KapKar
- KARKar
- KarKar
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- KarKas
- KasKat
- KatKat
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- KBKea
- KeaKee
- KeeKeh
- KehKej
- KejKel
- KelKel
- KelKel
- KelKen
- KenKen
- KenKen
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- KerKes
- KesKev
- KevKey
- KeyKha
- KhaKha
- KhaKha
- KhaKhe
- KheKia
- KiaKid
- KidKid
- KidKID
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- KnoKob
- KobKod
- KodKoj
- KojKol
- KolKom
- KomKon
- KonKoo
- KooKoo
- KooKor
- KKor
- KorKot
- KotKow
- KowKra
- KraKra
- KraKra
- KraKre
- KreKri
- KriKro
- KroKru
- KruKS
- KsFKub
- KubKul
- KulKum
- KumKun
- KunKur
- kurKut
- KutKwa
- KwaKyg
- KygKyl
- KylkZm
- Klenczon, Krzysztof
- Klenczon, Krzysztof i Trzy Korony
- Kleo (Danish alt-pop artist)
- Kleo (Kleo is a rapper from Roxbury, Massachusetts)
- Klepacki, Frank
- Klepacki, Frank & Mendelson, Jarrid
- Klepacki, Frank & Tiberian Sons, The
- Klepht
- Kleppevik, Johannes
- Klergy
- Klerks, The
- Kleszcz
- Kleu
- Kleurenblind, Nancy & De Zingende Roadie
- Kleveland, Åse
- Kley, Vitor
- Kley, Vitor & Martini, Bruno
- Klez.e
- Klezmatics, The
- Klezmer Conservatory Band
- Klezmer Nova
- Klezmerson
- Klezmonauts, The
- KLF, The (British electronic band with several aliases)
- KLF, The feat. Wynette, Tammy
- KLF, The featuring Children of the Revolution
- KLF, The featuring The Children of the Revolution
- Klich, Kasia
- Kliché (Danish Band)
- Kliemann, Fynn
- Kliff (Finnish band)
- Klijbroek, Tom
- Klijn, René
- Klima (Angèle David-Guillou; French singer)
- Klima,Vera
- Klimax
- Klimek
- Klimek, Johnny (Australian score composer)
- Klimek, Johnny & Heil, Reinhold
- Klimeks
- Klimenko, Viktor
- Klimt 1918
- Klincz
- Kline, James (Classical 11-string guitar-lute player)
- Kline, Kevin (actor)
- Kline, Léah
- Kline, Stan
- Kling, Karl (producer/songwriter/DJ)
- Kling, Marc-Uwe
- Klingande (Cédric Steinmyller, French DJ)
- Klingande feat. Broken Back
- Klingande feat. Daylight
- Klingenström, Clara
- Klingonz
- Klinik (Belgian industrial music band)
- Klinika Denisa Kataneca
- Klink, Steve
- Klinkhammer, Haley
- KLINT (German Synth Punk)
- Klintwood, West
- Kliodna
- Klippert, Billy
- Klips ve Onlar (ESC 1986 for Turkey)
- Klipwerf Orkes
- Klique
- Klischée (Swiss swing)
- Kllo (Australian duo)
- KLM (Norwegian Comedy Trio)
- KLM Music
- KLM Music ft. Star, Coco
- Kloe
- KLOE (Scottish Pop Artist)
- KLON (Groupe français)
- Klondike Kat (One of the rap pioneers in H-Town)
- Klone (French rock/metal band)
- Klonhertz
- Klopfenstein, Scott
- Klopfgeister (German progressive psytrance project)
- Klopjag
- Kloq
- Klose, Tom
- Kloser, Harald
- Kloser, Luka
- Kloss, Eric (US jazz saxophonist)
- Kloss, Marco
- Kloss, Sherry
- Kloß, Stefanie
- Klossmajor
- Kloster
- Klostertaler