- JJ
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- Joshua (Belgian group, members Senso and Greg Avau)
- Joshua & Holy Rollers, The
- Joshua Aaron
- Joshua Aaron & Shust, Aaron
- Joshua Band
- Joshua Burnell
- Joshua Fit for Battle
- Joshua Hedley (Alt-Country fiddler / singer / songwriter)
- Joshua J
- Joshua Jaswon Octet
- Joshua Powell & the Great Train Robbery (Indie band from Indianapolis, IN)
- Joshua Quimby
- Joshua, Jason (Hernandez-Rodriguez)
- Joshua, Saint (UK singer, songwriter)
- Joshua's Troop
- Joshwa
- Josi (German rapper)
- Josiah (heavy psych rock power trio from UK)
- Josiah and the Bonnevilles
- Josiah, Benjamin
- Josianne Paradis
- Josías Onoto (Christian artist)
- Josie and the Pussycats (1970s girl band that portrayed the fictional Archie Comics band)
- Josie and the Pussycats (eponymous fictional group from the 2001 film)
- Josie, Dani
- Josimar y su Yambú
- Josin (German alternative/electronic artist)
- Josin & Ólafur Arnalds
- Josip A Lisac (ska reggae band)
- Joslin Grove Choral Society
- Joslin, Jef
- Joslyn, Andrew
- Joslyn, Andrew feat. Lanegan, Mark
- Josman (French rapper & producer)
- Joss, Chris
- Jossan (Swedish Singer)
- Jossar
- Jossette (freestyle, aka Jossette Galaxy)
- Jossie Esteban y La Patrulla 15
- Joste, Alise
- Josué (Rappeur fr)
- Josué (Mexican singer and songwriter)
- Josue del cid
- Josyara
- Josylvio (Dutch rapper)
- Josylvio & Lijpe
- Josylvio feat. Esko
- Josylvio feat. Kevin
- Jota Quest
- Jota Quest & Dilsinho
- Jota Quest & Jorge, Seu
- Jota Quest & Rael
- Jota Quest feat. Rodgers, Nile
- Jota, La (reggaeton artist)
- Jota.pê
- Jota.pê & França, Xênia
- JotandJota
- Jotavê (Brazilian singer)
- JotDog
- Jotunheim (US Black Metal band)
- Joubert, Willie
- Joujma
- Jouka
- Jouko ja Kosti
- Jounce
- Jouno, Marvin
- Journal (Technical death metal)
- journal (screamo from Arizona)
- Journalist (US rapper Rafiek George, "Way It Used To Be", "Extended Family")
- Journalist, The (christian rapper)
- Journey (American rock band)
- Journey & Perry, Steve
- Journey Back, The (Pop Punk/ Metalcore)
- Journey Into Darkness
- Journey Man DJ
- Journey Worship Co.
- Journey, Bronn
- Journeyman (UK deep house producer; releases on Anjunadeep)
- Journeymann Trax (Bobby Draino)
- Journeymen, The (American folk group)
- Joutsela, Teijo ja Humppa-Veikot
- Jovaan
- Jovan Landry
- Jovana Tipšin
- Jovani (Lithuanian DJ, producer)
- Jovanotti
- Jovanotti & Sixpm
- Jovanotti & Soleluna NY Lab
- Jovanotti & Zero, Renato
- Jovanotti con Amadou & Mariam
