- iI
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- itITP
- ItriVa
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- Isaac, Evan (2020s New York singer-songwriter)
- Isaac, Greta
- Isaac, Heinrich (Flemish Renaissance composer)
- Isaac, Ismaël
- Isaac, Jake
- Isaac, Jamie (bedroom producer)
- Isaac, Joan
- Isaac, Sam
- Isaac, Tommy
- Isaacs Bowman, Becky
- Isaacs, Bud
- Isaacs, David
- Isaacs, David & Upsetters, The
- Isaacs, Gregory
- Isaacs, Gregory & Brown, Dennis
- Isaacs, Gregory & Isaacs, Kevin
- Isaacs, Gregory feat. Tibbs, Fredrica
- Isaacs, Pamela
- Isaacs, Pamela, White, Lillias
- Isaacs, Sonya (American country and Christian music singer)
- Isaacs, Sophie
- Isaacs, The
- Isaacson, Ella
- Isaacson, Peter
- Isaak (trance act)
- ISAAK (Belgian singer songwriter)
- Isaak Hypnotizer (Spanish downtempo DJ)
- Isaak, Chris
- Isaak, Chris duet with Yearwood, Trisha
- Isaak, Chris with Branch, Michelle
- Isabel (German pop vocalist Isabel Soares)
- Isabel Aaiún (Spanish, 2021)
- Isabel Aaiún & Mora, Pablo
- Isabel Marco
- Isabel Suckling (vocal)
- Isabel, Sandra
- Isabela (Isabela, cantante sinaloense)
- Isabell Schmidt
- Isabella (Boston based producer, Isabella Koen)
- ISABELLA (Isabella Peschardt)
- Isabella (formely known as Izzi De‐Rosa)
- Isabella, Kira
- Isabelle A (Belgian singer, Isabelle Adam)
- Isabelle A & Akkerman, Tim
- Isabelle Brown
- Isabellea
- Isabelles, The
- Isacaarum (Czech grindcore)
- Isacowitz, Maya
- Isacsson, Pierre
- Isadar
- Isador (Warren Heller)
- Isadora (pop/soul/jazz singer)
- Isadora (Isadora Sofia Figueroa, Colombian singer)
- Isadora (Pittsburgh based punk rock band)
- Isadora & Dumont, Bebo
- Isadora Melo
- Isadora Pompeo (Cantora Isadora Pompeo)
- Isai Morales (Male solo artist)
- ISAIAH (rapper)
- Isaiah Ardie Greenwood
- Isaiah Falls
- Isaiah Falls & Keable, Sasha
- Isaiah, Cameron (artist, lyricist)
- Isaiah, Daniel
- Isaiah, Zion
- isaintjames
- Isak (Swedish singer-songwriter born in the 1970s)
- Isak (fuzz/stoner rock band from Glasgow, Scotland)
- ISÁK (Norwegian band focusing on Sami music; appears on “Lonely”)
- Isak Strand vs. TOE
- Isakoatl
- Isakov, Gregory Alan
- Isakov, Ilan
- Isaksson, Patrik
- Isaksson, Patrik & Dawn Finer, Sarah
- Isaksson, Patrik & Dea
- Isaksson, Patrik & Norberg, Dea
- Isaksson, Patrik & Sjöholm, Helen
- Isaksson, Patrik, Moraeus, Kalle & Jansson, Bengan
- Isaksson, Sara & Widmark, Anders
- Isam B (Danish singer of Moroccan descent)
- Isamar & Compañia
- ISAN
- Isasa (Spanish composer, guitarist)
- Isatha
- isaur
- Isaura (Portuguese singer and songwriter)
- Isaurian
- Isayama, Mio