- J -- J-Crack
- J. Crayford -- J. Hanson
- J. Hanz Ives -- J. Marsh
- J. Martin Coppola -- J. Ray
- J-Re -- J Taft & the New Failed Seekers
- J. Tait -- Jaap Valkhoff
- Jaap van Zweden -- Jack Blackton
- Jack Blades -- Jack Halloran
- Jack Halloran Choir -- Jack 'N' Daniels
- Jack N. House -- Jack Teagarden's Big Eight
- Jack Teagarden's Chicagoans -- Jackie Gibson
- Jackie Gino -- Jackson Evans
- Jackson Finch -- Jacob Moss
- Jacob Mossman -- Jacques Castérède
- Jacques Chabot -- Jada E.