| The Jagger Z |
| The Jaggerz |
| The Jags |
| The Jaguar |
| The Jaguars |
| The Jailbirds |
| The Jake Duda Band |
| The Jake Gibson Band |
| The Jakus |
| The Jam |
| The Jamaicans |
| The Jamborees |
| The James |
| The James Brown Band |
| The James Brown Dancers |
| The James Brown Orchestra |
| The James D. Orchestra |
| The James Douglas Show |
| The James Gang |
| The James Moody & Hank Jones Quartet |
| The Jameze |
| The Jamies |
| The JamNation Band |
| The Jane Cornish String Quartet |
| The Jane Miller Group |
| The JaneDear girls |
| The Jankeys |
| The Janoskians |
| The January Lanterns |
| The Janzen Boys |
| The Japanese House |
| The Japanese Popstars |
| The Jarmels |
| The Jason Jones Band |
| The Jason Oliver Band |
| The Javalins |
| The Javelins |
| The Javelins |
| The Jay & Kai Trombone Octet |
| The Jay Ungar & Molly Mason Family Band |
| The Jaydeans |
| The Jayhawks |
| The Jaynetts |
| The Jazz Age Ensemble |
| The Jazz Artists Guild |
| The Jazz Butcher |
| The Jazz Christmas Ensemble |
| The Jazz Couriers |
| The Jazz Crusaders |
| The Jazz Entertainers |
| The Jazz Epistles |
| The Jazz Exponents |
| The Jazz Forum All Stars |
| The Jazz Hands |
| The Jazz Hole |
| The Jazz June |
| The Jazz Kittens |
| The Jazz Mafia Horns |
| The Jazz Mandolin Project |
| The Jazz Messengers |
| The Jazz Poets Trio |
| The Jazz Rascals |
| The Jazz Renegades |
| The Jazz Singers |
| The Jazz Three-O |
| The Jazz Tribe |
| The Jazzbastards |
| The JazzEman |
| The Jazzinvaders |
| The Jazztet |
| The Jazztronauts |
| The JB Project |
| The Jealous |
| The Jealous Girlfriends |
| The Jealous Sound |
| The Jean Bobby Experiment |
| The Jebbs Band |
| The Jeebs |
| The Jeevas |
| The Jeff Alexander Chorus |
| The Jeff Hamilton Trio |
| The Jeff Healey Band |
| The Jeff Lorber Fusion |
| The Jeggpap Jazzband |
| The Jelli Effect |
| The Jellies |
| The Jelly Beans |
| The Jelly Bees |
| The Jelly Jam |
| The Jellyfish Ensemble |
| The Jellyfish Method |
| The Jem Group |
| The Jemini |
| The Jenkins |
| The Jensens |
| The Jeremy Days |
| The Jerky Boys |
| The Jeromes |
| The Jerry Cans |
| The Jerry Ross Symposium |
