- JJ
- JJ
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- JJAB
- JabJac
- JacJac
- JacJac
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- JacJad
- JadJae
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- JalJam
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- JugJui
- JuiJul
- Juljul
- JulJul
- JulJun
- JunJun
- JunJun
- JunJur
- JurJus
- JusJus
- Jusjxd
- JXDJZA
- Janvier, Marie-Ève & Breau, Jean‐François
- JANVS (Italian black metal)
- JANX (chiptunes)
- Janz, Michael
- Janz, Paul
- Janz, Robert
- Janzen, Chantal
- Janzen, Jordan
- Janzen, Mike (Canadian singer, songwriter and jazz pianist)
- Janzen, Taylor
- Jão (Brazilian singer)
- Jaojoby (Malagasy salegy composer/singer)
- Jaoui, Agnès
- Jaoui, Agnès y el quintet oficial
- Jaoui, Agnès y el quintet oficial & Roberto Gonzales Hurtado
- Japan (UK new wave band)
- japan
- Japan Daisuki
- Japan Soul (Brooklyn, New York)
- Japan Suicide
- Japan, Man
- Japancakes
- Japandroids
- Japanese Breakfast (Michelle Zauner's solo project and band)
- Japanese Breakfast feat. Soyoon
- Japanese Folk Metal
- Japanese Heart Software (Nat Chippy)
- Japanese House, The
- Japanese House, The feat. MUNA
- Japanese Motors
- Japanese Popstars, The
- Japanese Television
- Japanese Voyeurs
- Japanese Wallpaper
- Japanese Wallpaper feat. Airling
- Japanische Kampfhörspiele
- Japanther
- Jape (Irish downtempo/folk rock)
- Japh Dolls (Japanese-Filipino girl group)
- Japhia Life
- Japhor
- Japinha Conde (Brazilian singer)
- Jaqee
- JAR (Czech rap group)
- JaR (Pop, R&B, AC, AOR, Jazz)
- JAR & Mňága a Žďorp
- JAR & Poláková Barbora
- JAR & Štorm, František
- Jar Family, The
- Jar, Dora (American singer–songwriter)
- JAR. (Vancouver metal band)
- Jara, Luis
- Jara, Paola
- Jara, Pepe (Mexican bolero singer)
- Jara, Víctor
- Jarabe de Palo
- Jarabe de Palo & Ketama
- Jarabe de Palo & Mari, La
- Jarabe de Palo & Sanz, Alejandro
- Jarabe de Palo & Silvestre, Kekko
- Jarabe de Palo & Vega, Antonio
- Jarabe de Palo con Sanz, Alejandro
- Jaramar
- Jarami
- Jaramillo, Julián
- Jaramillo, Julio
- Jaramillo, Pepe (Mexican pianist, composer, recording artist)
- Jaramillo, Sara
- Jaramillo, Sara feat. Yelsid
- Jarboe
- Jarboli (The most Belgrade-like of all local rock bands.)
- Jarcha
- Jarcrew
- Jardier
- Jardín de la Croix
- Jardín es un Desastre, El
- Jardin Mécanique (Groupe Québecois)
- Jardine
- Jare & VilleGalle
- Jareal, B. (R&B/Soul Artist from Detroit MI.)
- Jarecki
- Jarecki & BRK
- Jarecki, BRK feat. Cheeba
- Jarecki, BRK feat. Grubson
- Jarecki, BRK feat. Udoo
- Jared (Chilean singer)
- Jared & the Mill
- Jared Benjamin (Jared Benjamin is an independent musician from Long Island, making caffeine-induced music with a focus on mental health and story-telling.)
- Jared Mees & the Grown Children (Portland, OR)
- Jarel, Jneiro
