- KK
- KK
- KKab
- KabKae
- KaeKai
- KaiKaj
- KajKal
- KalKal
- KalKal
- KamKam
- KamKan
- KanKan
- KanKao
- KaoKar
- KarKar
- KarKar
- KarKAR
- KARKar
- KarKas
- KasKat
- KatKat
- KatKat
- KatKaw
- KawKay
- KayKAY
- KAYKC
- KCKea
- KeaKee
- KeeKei
- KeiKel
- KelKel
- KelKel
- KelKen
- KenKen
- KenKen
- KenKer
- KerKes
- KesKev
- KevKey
- KeyKha
- KhaKha
- KhaKha
- KhaKho
- KhoKid
- KidKid
- KidKid
- KidKid
- KidKik
- KikKil
- KilKil
- KilKim
- Kimkin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKir
- KirKis
- KisKit
- KitKiz
- KizKK
- KKKla
- KlaKli
- KliKlu
- KlyKni
- KniKno
- KnoKoa
- KoaKod
- KodKoi
- KoiKol
- KolKom
- KomKon
- KonKoo
- KooKop
- KopKor
- KorKos
- KosKov
- KovKR
- KRKra
- KraKra
- KraKre
- KreKri
- KriKro
- KroKru
- KruKSI
- KSIKuh
- KuhKum
- KumKun
- KKur
- KurKut
- KutKwa
- KwaKyg
- KygKyl
- KylKZA
- Klazz Brothers & Cuba Percussion
- KLB
- KLC Clave Cubana
- Klea
- Kleber Lucas (Brazilian Contemporany Christian Singer)
- Klee (German elektropop group)
- KLEE Project
- Kleeer
- Kleemola, Antti
- Kleenex (renamed LiLiPUT)
- Kleenex Girl Wonder
- Kleerup
- Kleerup & AlunaGeorge
- Kleerup feat. Bergman, Marit
- Kleerup feat. Li, Lykke
- Kleerup feat. Loreen
- Kleerup feat. Robyn
- Kleerup feat. Titiyo
- klei
- Kleiber, Jhon
- Kleiderman
- Kleijn, Eelke
- Klein Orkest
- Klein, Christina (Kiddy Contest participant)
- Klein, Cosmo
- Klein, Dante (german deep house DJ and producer; key track “Ertesuppe”)
- Klein, Filip
- Klein, Janet
- Klein, Janet and Her Parlor Boys
- Klein, Jeff
- Klein, Jere & Nicki Nicole
- Klein, Jess
- Klein, John
- Klein, Laurie
- Klein, Michael (techno DJ/producer)
- Klein, Miriam (Swiss jazz vocalist.)
- Klein, Omer
- Klein, Wesley (Dutch Popstar contestant)
- Kleine Crack (Belgian rapper Lenny Gerard)
- kleine Tierschau, Die
- Kleinenberg, Sander
- Kleinenberg, Sander feat. Cullum, Jamie
- Kleiner Rundfunk-Kinderchor Berlin
- Kleiner, Luc
- Kleinsma, Simone
- Kleinstadthelden
- Kleinstadtlicht
- Kleiton & Kledir
- Kleiton & Kledir (Brazilian Band)
- Kleive, Iver
- Klem Schen (Rappeur fr)
- Klemann, Monique
- Klemen Klemen
- Klemetti, Litku
- Klemetti, Litku & Tuntematon Numero
- Klemmer, John
- Klemperer, Otto (German-born conductor and composer, 1885-1973)
- Klena, Derek
- Klena, Derek & Altomare, Christy
- 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
- Kley, Vitor
- Kley, Vitor & Martini, Bruno
- Klez.e
- Klezmatics, The
- Klezmer Nova
- Klezmerson
- Klezmonauts, The
- KlezRoym
- 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
- Klíč
- Klich, Kasia
- Kliché (Danish Band)
- Kliemann, Fynn
- Kliff (Finnish band)