- JJ
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- JabJac
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- JacJad
- JadJae
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- JulJul
- JulJun
- JunJun
- JunJun
- JunJup
- JupJus
- JusJus
- JusJVG
- JVGJZA
- 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. Winans, Marvin & Cage, Byron
- J O E
- J Pee
- J Prince ultd (Trinidadian producer/singer)
- J Rabbit (Korean duo)
- J Rice
- J Rice feat. Chen, Jason
- J Rice feat. Rice, Erin
- J Rice feat. Shan Malaika
- J Rice feat. Sides, David
- J Sexton
- J Soul Brothers (the 1st, 1999–2001)
- J SOUL BROTHERS III from EXILE TRIBE
- 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. 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.Amoroso, Alessandra
- J-Ax & Jake La Furia
- J-Ax feat. Annalisa e Di Stefano, Luca
- J-Ax feat. Cane Secco & Mistaman
- J-Ax feat. Guè
- J-Ax feat. Jake La Furia
- J-BLEV
- J-Box (G-Funk producer)
- J-Dubb (Beat Maker/Rapper)
- J-Felix
- J-five
- J-Haze
- J-Henry
- J-Luv Da Prince
- J-Min (Korean singer under S.M.Entertainment in Japan)
- J-MUSIC Ensemble
- 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-Vance
- J-Walk (British electronic duo Martin Fisher & Martin Desai)
- J-Walk (Korean band)
- J-Zone
- J-Zone feat. Al-Shid
- J-Zone feat. Celph Titled
- J-Zone feat. Huggy
- J-Zone feat. Huggy, 76 & Trip
- J‐Dawg (Houston rapper Larry Wayne Jones, Jr.)
- J‐Diggs
- j‐hope (BTS)
- j‐hope & Cole, J.
- J‐Kwon
- J‐Live (Hip-hop emcee from New York)
- J‐Luv
- J‐Luv feat. Azad
- J‐Shin
- J, Anna (CCM singer-songwriter)
- J, Ashley (Pop singer)
- J, Frankie (Mexican-American singer Francisco Javier Bautista, Jr.)
- J, Frankie & Phillips, Mr.
- J, Frankie feat. 3LW
- J, Frankie feat. Baby Bash
- J, Frankie feat. Gemini
- J, Frankie feat. Mannie Fresh & Chamillionaire
- J, Frankie feat. Phillips, Mr.
- J, Frankie feat. Wall, Paul
- J, Frankie featuring Baby Bash
- J, Hike
- J, Jack (downtempo/electronic artist Jack Jutson)
- J, Kristian (Previously known as Joom BaBoom)
- J, Mark (A Portland, Oregon jazz pianist)
- J, Ricky
- J, Samantha (Jamaican Singer / Songwriter)
- J, Sir (hip hop artist Javier García Murcia)
