- KK
- KK
- KKaa
- KaaKad
- KadKah
- KahKai
- KaiKak
- KakKal
- KalKal
- KalKal
- KalKam
- KamKan
- KanKan
- KANKan
- KanKap
- KapKar
- KarKAR
- KarKar
- KarKar
- KarKar
- KarKas
- KasKas
- KasKat
- KatKat
- KatKav
- KavKay
- KayKay
- KayKaz
- KazKCP
- KcrKeb
- KebKee
- KeeKei
- KeiKel
- KelKel
- KelKel
- KelKem
- KemKen
- KenKen
- KenKE
- KepKer
- KerKes
- KesKev
- KevKez
- KFCKha
- KhaKha
- KhaKha
- KhaKho
- KhoKic
- KicKid
- KidKid
- KidKid
- KidKid
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- KilKil
- KilKIL
- KilKil
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- KirKis
- KisKit
- kitKiv
- KivKj
- KjwKla
- KlaKle
- KleKlo
- KloKna
- KnaKni
- KniKno
- knoKoa
- KoaKod
- KodKoh
- KoiKol
- KolKol
- KolKon
- KonKon
- KonKoo
- KooK
- KorKor
- KorKos
- KosKov
- KovKoz
- KozKra
- KraKra
- KraKre
- KreKri
- KriKri
- KriKRS
- KRSKry
- KryKTr
- KtuKui
- KuiKum
- KumKun
- KunKur
- KurKur
- KurKuu
- KUUKx
- KxKyg
- KygKyo
- KyokZm
- Katuchat
- Katujen Äänet
- 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)
- Kaufman, Josh (multi‐instrumentalist, songwriter, producer)
- Kaufman, Josh (singer/songwriter, The Voice season 6 winner)
- Kaufman, Shloime
- Kaufmann (Swiss slacker-pop rock)
- Kaufmann, Andreas (German singer/songwriter)
- Kaufmann, Anna Maria
- Kaufmann, Eva
- Kaufmann, Jonas (tenor)
- Kaufmann, Jonas, Prague Philharmonic Orchestra, Armiliato, Marco
- Kaufmann, Silvia
- Kauhanen, Tuomas
- Kauhanen, Tuomas feat. Björk, Mikko
- Kaukázus
- Kaukonen, Jorma
- Kaukonen, Jorma & Vital Parts
- Kaukonen, Jorma with Hobson, Tom
- Kaunan
- Kaunis Kuolematon (Finnish Melodic Doom/Death Metal band)
- Kaunismaa, Maija
- Kaunisto, Pasi
- Kaupers, Renārs
- Kaupers, Renārs & Jauns Mēness
- Kaur B
- Kaur Khalsa, Nirinjan
- Kaur, Ajeet
- Kaur, Asees
- Kaur, Harshdeep
- Kaur, Harshdeep & Awasthi, Sapna
- Kaur, Harshdeep & Dayal, Benny
- Kaur, Harshdeep & Jazim Sharma
- Kaur, Harshdeep & Singh, Bhanu Pratap
- Kaur, Harshdeep, Janjua, Labh & Merchant, Salim
- Kaur, Jagjit (Indian Hindi/Urdu singer)
- Kaur, Jagjit & Chopra, Pamela
- Kaur, Nirinjan
- Kaur, Rashmeet
- Kaur, Sada Sat
- Kaur, Snatam (US kirtan singer)
- Kaur, Snatam & Singh, Guru
- Kaura
- Kausal
- Kausion
- Kauta
- Kautto-Niemi, Päivi
- Kautz, Julia
- KAV
- Kavaliauskas, Martynas (Lithuanian singer, actor, founded Selected Big Band.)
- Kavana