- JJ
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- JabJac
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- JurJus
- JusJus
- Jusjuu
- juuJVL
- JvmJZA
- J King & Maximan feat. Tito “El Bambino”
- J Lind
- J Majik
- J Majik & Wickaman
- J Majik & Wickaman
- J Majik & Wickaman feat. Freer, Dee
- J Majik & Wickaman feat. Freer, Dee
- J Martina (Basque band)
- J Metro
- J Michael Harter
- J Moss (US gospel singer/producer James Moss, PAJAM)
- J Moss feat. Franklin, Kirk
- J Moss feat. Hamilton, Anthony
- J Moss feat. Sheard, Karen Clark
- J Moss feat. Winans, Marvin & Cage, Byron
- J NiCS
- J Nui
- J O E
- J Pee
- J Pelirrojo
- J Prince OPER8R (Trinidadian producer/singer)
- J Rabbit (Korean duo)
- J Rice
- J Rice feat. Chen, Jason
- J Rice feat. Shan Malaika
- J Rice feat. Sides, David
- J Sexton
- j solomon
- J Soul Brothers (the 1st, 1999–2001)
- J SOUL BROTHERS III from EXILE TRIBE
- J Soulja
- J Star
- J Street Jumpers
- J Teixi Band
- J Young MDK
- J_insanityy
- J-Ax (Italian hip hop)
- J-Ax & Fedez
- J-Ax & Fedez feat. Amoroso, Alessandra
- J-Ax & Fedez feat. Bertè, Loredana
- J-Ax & Fedez feat. Cara, Alessia
- J-Ax & Fedez feat. Ferreri, Giusy
- J-Ax & Fedez feat. Nek
- J-Ax & Fedez feat. Stash & Levante
- J-Ax & Fedez feat. Sylvestre, Sergio
- J-Ax & Fedez feat. T‐Pain
- J-Ax & Fedez feat.Amoroso, Alessandra
- J-Ax & Jake La Furia
- J-Ax & Viboras, Irene
- J-Ax con Cile, Il
- J-Ax con Club Dogo
- J-Ax con Emiliano Valverde
- J-Ax con Grido
- J-Ax con Jovine, Valerio
- J-Ax con Neffa
- J-Ax con Zilli, Nina
- J-Ax feat. Annalisa e Di Stefano, Luca
- J-Ax feat. Cane Secco & Mistaman
- J-Ax feat. Cile, Il
- J-Ax feat. Guè
- J-Ax feat. Jake La Furia
- J-Ax feat. Marracash
- J-Ax feat. Pezzali, Max
- J-Ax ft. Pezzali, Max
- J-Ax, Cochi e Renato, Jannacci, Paolo, Rossi, Paolo & Ale e Franz
- J-BLEV
- J-Box (G-Funk producer)
- J-Dubb (Beat Maker/Rapper)
- J-DUO
- J-E-T-S (comprised of Jimmy Edgar and Machinedrum)
- J-E-T-S ft. Richard, Dawn
- J-Felix
- J-five
- J-Haze
- J-Henry
- J-Live & R.A. The Rugged Man
- J-Luv Da Prince
- J-Min (Korean singer under S.M.Entertainment in Japan)
- J-MUSIC Ensemble
- J-Mythos
- J-One (J-One, aka Simon Jones, is a British producer for dubstep / 2 step /ambient sound)
- J-Onyx (Thornton Heath, Croydon, UK)
- J-P, Lawrence
- J-Rocks (Indonesian Rock band)
- J-Son (US christian rapper)
- J-Soul (Toronto R&B Artist "J-Soul")
- J-Status
- J-Status feat. Rihanna
- J-US (Korean contemporary Christian group)
- J-Vance
