- John Lebaron -- John Lee Hooker, Jr.
- John Lee Sanders -- John Legend ft. Ludacris
- John Leger & Debris Cajun Band -- John Lenahan
- John Lenahan -- John Lester
- John Lester -- John Lindberg
- John Link -- John Littlewood
- John Litton-Baroi -- John Loose
- John Lopez -- John Lucas
- John Lucas -- John Luther Adams
- John Luther Adams -- John M. Feirabend/Saunders
- John M. Greenberg -- John Mackay
- John Mackay -- John Madgett
- John Madill -- John Maltepes
- John Maluleke -- John Maragos
- John Marascalco -- John Mark McMillan
- John Mark McMillan -- John Marshall (Trumpet)
- John Martin -- John Masefield
- John Maslen -- John Mauceri
- John Maurice -- John Mboozi
- John McAll -- John McCollum
- John McConnell -- John McCutcheon & Si Kahn