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- Kay, Crystal (Japanese singer)
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- Kay, Janet
- Kay, Jay (English singer, Jamiroquai)
- Kay, Jay (DJ from Belfast, Northern Ireland.)
- Kay, Jeremy
- Kay, John (lead singer of Steppenwolf)
- Kay, John & Steppenwolf
- Kay, John & Steppenwolf
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- Kaya Project
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- Kaya, Serkan (Turkish-descent musical artist and actor, born in Germany)
- Kaya, Umut
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- Kayah feat. Bregović, Goran
- Kayah i Bregović, Goran
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- Kaye, Marina feat. Stirling, Lindsey
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- kayip
- Kayıkç, Büşra (Turkish composer and pianist)
- Kayky
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- KAYLA KING & Halocene
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- Kayley Green
- Kayliah
- Kayliah feat. Pegguy Tabu
- Kayliox (house)