- KK
- KK
- KKaa
- KaaKad
- KadKah
- KahKai
- KaiKal
- KalKal
- KalKal
- KalKAM
- KAMKam
- KamKAN
- KANKan
- KanKao
- KaoKap
- KapKAR
- KarKar
- KarKar
- KarKar
- KarKar
- KarKas
- KasKat
- KatKat
- KatKat
- KatKaw
- KawKay
- KayKAY
- KAYKB
- KBKea
- KeaKee
- KeeKeh
- KehKek
- KekKel
- KelKel
- KelKel
- KelKen
- KenKen
- KenKen
- KenKer
- KerKes
- KesKev
- KevKey
- KeyKha
- KhaKha
- KhaKha
- KhaKhe
- KheKIA
- KIAKid
- KidKid
- KidKid
- KidKid
- KidKil
- KilKil
- KilKil
- KilKil
- KilKim
- KimKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKir
- KirKIS
- KisKit
- KitKiy
- KiyKK
- KKKla
- KlaKle
- KleKlu
- KluKne
- KneKNL
- KNLKno
- KnoKob
- KobKoe
- KoeKoj
- KojKol
- KolKom
- KomKon
- KonKoo
- KooKoo
- KooKor
- KorKor
- KorKot
- KotKox
- KoxKra
- kraKra
- KraKRE
- KREKre
- KreKri
- KriKro
- KroKru
- KruKSI
- KSIKue
- KueKum
- KumKum
- KumKup
- KurKur
- KurKut
- KutKwi
- KWIKyg
- KygKym
- KynkZm
- Klaus & Kinski
- Klaus & Klaus
- Klaus Johann Grobe
- Klaus Lage & Members
- Klaus Mitffoch
- Klaus, Lara (member of LADAMA)
- klav (K-pop and pop singer.)
- Klave, La
- Klaverson
- Klavium (metal)
- klawings
- Klaws, Alexander
- Klaws, Alexander feat. Weckerlin, Sabrina
- Klaxon (Italian punk band)
- Klaxons
- Klaxons (Harriet song)
- KLAXX feat. Luma
- Klay BBj
- Klaypex
- Klaypex feat. Kay, Sara
- 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
- Kleinsma, Simone
- Kleinstadthelden
- Kleinstadtlicht
- Kleiton & Kledir
- Kleiton & Kledir (Brazilian Band)
- Kleive, Iver
- Kleks
- Kleks & sanah
- 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