- KK
- KK
- KKaa
- KaaKad
- KadKah
- KahKai
- KaiKal
- KalKal
- KalKal
- KalKam
- KamKam
- KamKan
- KanKan
- KanKao
- KaoK
- KapKar
- KarKar
- KarKar
- KarKar
- KarKas
- KasKas
- KasKat
- KatKat
- KATKau
- KauKaw
- KawKAY
- KayKAY
- KAYKB
- KBKeA
- KeaKee
- KeeKEi
- KEiKek
- KekKel
- KelKel
- Kelkel
- KelKen
- KenKen
- KenKen
- KenKer
- KerKes
- Keskev
- KevKEZ
- KezKha
- KhaKha
- KhaKha
- KhaKHN
- KhoKic
- KicKid
- KidKid
- KidKid
- KidKie
- KieKil
- KILKil
- KilKil
- KilKim
- KimKim
- KimKin
- KINKin
- KinKin
- KinKin
- KinKin
- KinKin
- KinKip
- KipKir
- KirKis
- KisKit
- KitKJ
- KJKla
- KlaKle
- KleKli
- KLIKmi
- KMNKni
- KniKno
- KnoKo
- KOKod
- KodKoh
- KohKol
- KolKol
- KolKon
- KonKon
- KonKoo
- KooKOR
- KorKor
- KorKos
- KosKov
- KovKra
- KraKra
- KraKra
- KraK
- KKri
- KriKr
- KrKru
- KruKrz
- KrzKub
- KubKul
- KulKum
- KumKun
- KuoKur
- KurKut
- KutKwa
- KwaKyg
- KygKyl
- KylkZm
- KATO (Danish house DJ)
- Kato (Kato Callebaut, Belgian runner up "Idool 2011")
- Kato (German New Age, VGM Remixes)
- KATO & Infernal
- Kato & Infernal
- KATO feat. Beal, Brandon
- Kato feat. Brandon Beal
- KATO feat. Clemens
- KATO feat. Clemens & Jon
- Kato feat. Daniel Gidlund
- KATO feat. Jon
- Kato feat. Kidd
- KATO feat. Outlandish
- KATO feat. Snoop Dogg & Beal, Brandon
- Kato feat. Snoop Dogg & Brandon Beal
- Kato feat. Snoop Dogg, Kurupt & Ida Corr
- Katō, Emiri
- Kato, Garrett (Australia-based folk rock singer)
- Kato, Hiroaki
- Katō, Izumi (sang Lodoss songs as “sherry”)
- Kato, Miliyah
- Kato, Tatsuya
- Kato,Feat. U$O & Johnson
- Katoch, Aryan
- KATOMORI
- Katon, Michael
- Katona, Klári
- Katou, Kazuki
- Katra
- Katri Helena
- Katrina (vocalist Roxanne Dawn)
- Katrina (American singer/songwriter)
- Katrina & The Nameless
- Katrina & Waves, The
- Katrina and the Waves (British-American rock band)
- Katrozan, Thomas
- Katsaris, Cyprien (French-Cypriot pianist)
- Katsbarnea
- Katsenelenbogen, Eyran
- Katsimihas, Haris & Panos
- Katsimixas, Xarhs & Panos
- Katsionis, Bob
- Katsoulos, Yianna
- KatsüK
- Kattah
- KATTHEM (Swedish punk band)
- Katthult
- Katuchat
- Katujen Äänet
- Katún, Carolina
- Katuns, The
- Katunskytė, Vitalija (Lithuanian singer)
- Katy Nichole (CCM singer–songwriter)
- Katy Nichole & Big Daddy Weave
- Katy, The
- KATYA (drag queen)
- KATYA (Stage name of drag queen and performer Brian McCook)
- KATYA feat. Thunderfuck, Alaska
- Katydids
- Katz, Eitan
- Katz, Juliette
- Katz, Mickey
- Katz, Peter (Canadian singer‐songwriter)
- Katz, Shlomo
- Katz, Zebra
- Katz, Zebra feat. Foxxx, Njena Reddd
- Katz, Zebra feat. Shygirl
- Katz, Ziggy
- Katze (German Indie-Pop band from Berlin)
- Katze Blau
- Katzen Kapell
- Katzenberger, Daniela
- Katzenheim (Deutschpop Band)
- Katzenjammer (Norwegian band from Oslo)
- Katzenjammer Kabarett
- Katzenmeister
- Katzenstreik
- Katzman, Bo, Chor
- Katzman, Theo
- Katzmann, Nosie
- KATZROAR
- Katzù Oso
- Katzun
- Kauam, Hany
- KAUAN (doom metal/post-rock)
- Kauf
- Kauffeld, Greetje
- Kauffman, David (musician from Madison, New Jersey)
- Kaufman, Doug
- Kaufman, Jake (video game composer & arranger a.k.a. virt)