- KK
- KK
- KKA
- KAKab
- KabKad
- KadKah
- KahKai
- KaiKak
- KakKal
- KalKal
- KalKal
- KALKam
- KamKam
- KANKan
- KanKan
- KanKan
- KanK
- KapKar
- KarKar
- KarKar
- KarKAR
- KARKar
- KarKas
- KasKas
- KasKat
- katKAT
- KATKau
- KauKaw
- KawKay
- KayKay
- KayKaz
- KazKC
- KCKea
- KeaKEE
- KeeKeh
- KehKei
- KeiKel
- KelKel
- KelKel
- KelKem
- KemKen
- KenKen
- KenKen
- KenKer
- KerKes
- kesKev
- KevKey
- KeyKHA
- khaKha
- KhaKha
- KhaKha
- KhaKho
- KhoKic
- KicKid
- KidKid
- KidKid
- KidKID
- KIDKIK
- KIKKil
- KilKil
- KilKil
- KilKim
- KimKim
- KimKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKIR
- KIRKIS
- KisKit
- KitKiv
- KivKj
- KjeKla
- kLaKle
- KleKli
- KliKlu
- KluKni
- KniKNL
- KNLKNO
- KNOKob
- KobKod
- KodKoh
- KohKol
- Kolkol
- KolKom
- KomKon
- KonKoo
- KooKoo
- KooKor
- KorKor
- KorKos
- KKou
- KouKoz
- KozKra
- KraKra
- KraKra
- KraKre
- KreKri
- KriKro
- KroKru
- KruKry
- KryKub
- Kubkuk
- KukKum
- KumKun
- KunKur
- KurKur
- KurKut
- KutKwa
- KWAKyg
- KygKyl
- KYLKyt
- kyukZm
- 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 (Chilean urban artist)
- 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)
- Klein, Yaakov
- kleinabaoho
- Kleine Crack (Belgian rapper Lenny Gerard)
- kleine Tierschau, Die
- Kleinenberg, Sander
- Kleinenberg, Sander feat. Cullum, Jamie
- Kleiner Rundfunk-Kinderchor Berlin
- Kleinkrieg, Stefan (Extrabreit)
- Kleinsma, Simone
- Kleinstadthelden
- 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
- Klena, Derek & Ranson, Molly
- 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
- Kleppe, Hannah
- Kleppevik, Johannes
- Klergy
- Klerks, The
- Kleszcz
- Kleu
- Kleurenblind, Nancy & De Zingende Roadie (Dutch indie pop duo)
- Kleveland, Åse
- Kley, Vitor
- Kley, Vitor & Martini, Bruno
- Klez.e
- Klezmatics, The
- 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
- Kliemann, Fynn & Schwär, Philipp
- 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
