- KK
- KK
- KKaa
- KaaKac
- KadKah
- KahKAI
- KAIKak
- KakKal
- KalKal
- KalKAL
- KalKam
- KamKan
- KanKan
- KanKan
- KanKap
- KapKar
- KarKar
- KarKar
- KarKAR
- KARKar
- KarKas
- KasKas
- KasKat
- KatKat
- KatKau
- KauKay
- KayKay
- KayKay
- KayKC
- KCKea
- KeaKee
- KeeKEI
- KEIKel
- KelKel
- KelKel
- KelKel
- KelKen
- KenKen
- KenKen
- KenKer
- KerKes
- KesKev
- KevKey
- KeyKha
- KhaKha
- KhaKha
- KhaKha
- KhaKia
- KiaKid
- KidKid
- KidKid
- KidKid
- KidKik
- KikKil
- Kilkil
- KilKil
- KilKim
- KimKim
- KimKIN
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKir
- KirKis
- KisKit
- KitKır
- KırKke
- KKeKla
- KlaKle
- KleKlu
- KluKne
- KNGKNL
- KNLKno
- KnoKob
- KobKod
- KodKoi
- KoiKol
- KolKOM
- KomKon
- KonKon
- KonKoo
- KooKor
- KorKor
- KorKos
- KKov
- KovKR
- KRKra
- KraKra
- KraKre
- KreKri
- KriKri
- KriKRS
- KRSKry
- KryKu
- KuKUJ
- KujKum
- KumKun
- KunKur
- KurKur
- KurKUU
- KuuKwo
- KWSKyg
- KygKyn
- KynkZm
- 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, Grace
- 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)
- Klones Of Nu Metal
- Klonhertz
- Klopfenpop
- 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
- Klosterbrüder
- Klostertaler
- Klostertaler
- Kloud (Kloud Solo)
- KLOUD (2010s EDM artist - Main project for new works)
- Kloud 9
- KLOUD feat. Gabriel Paris
- Klovner i Kamp
- Kløn (artist duo from Belgium)
- KLP (EDM)
- Klrx
- kls. (Finnish gospel rock band)
- Klub
- Klub des Loosers
- Klub Rider
- Klub Rider feat. York
- Klub Sandwich
- Kluba, The
- Klubbb3 (German/Dutch/Belgian schlagertrio)