- L.B.
- L.D.M.
- Lalo Schifrin
- Lalo Schifrin Orchestra & Sextet
- Lamb
- Lambert
- Lambert, Hendricks & Bavan
- Lambert, Hendricks & Ross
- Lambert, Hendricks, And Ross
- Landslide
- Lanny Morgan
- Larrry Bluth
- Larry Bluth
- Larry Coryell
- Lars Gullin
- Latyrx
- Laura Wise
- Laurence Olivier
- Laurent Courthaliac
- Laurindo Almeida
- LB
- Le Hammond Inferno
- Le Tone
- Leandro Lee
- Lee Konitz
- Lee Morgan
- Leggo Beast
- Lelany
- Lemongrass
- Lennie Niehaus
- Lennie Niehaus Quintet
- Lennie Tristano
- Lennie Tristano Trio
- Lenny
- Lenny Breau
- Leo Parker
- Leo Sherman
- Leon de Mar
- Leonard Feather
- Leonard Feather
- Leonard Feather and His All Stars
- Leontyne Price
- Les Blue Stars
- Les Boppers
- Les Gammas
- Les Hommes
- Les Jazz Modes
- Les Modes
- Les Rythmes Digitales
- Lesiem
- Lesiëm
- Leslie Baker
- Lester Young
- Levi Judah
- Leño
- Lida Husik
- Lilacs & Champagne
- Lilian Terry
- Lino Patruno
- Lionel Hampton
- Lionel Hampton & His Just Jazz All Stars
- Lionel Hampton And His All-Stars
- Lionel Hampton And His Orchestra
- Liquid Soul
- Liquid Spirits
- Lisbeth Quartett
- Lisp
- Little Aida
- Little Big Bee
- Little Dragon
- Little People
- Little Red Snapper
- Live Tropical Fish
- Llorca
- Llyphon
- Lo Fidelity Allstars
- Logan Ashton Prestenbach
- London Funk Allstars
- Longineu Parsons
- Looper
- Lord Newborn & The Magic Skulls
- Loredana Melodia
- Lori Carson
- Los Chicharrons
- Los Mono
- Loston Harris
- Lou Blackburn
- Lou Donaldson
- Lou Lanza
- Lou Levy
- Lou Levy Trio
- Louie Bellson
- Louie Bellson Quintet
- Louis Armstrong
- Louis Bellson
- Louis Billette
- Louis Smith
- Lovage
- LTC
- LTJ XPerience
- Luca Hladek Quartett
- Lucas Pickford
- Lucas Scheffold
- Lucid 3
- Lucky Pierre
- Lucky Thompson
- Lucky Thompson featuring Tete Montoliú Trío
- Luis Russell
- Luiz Bonfá
- Lunascape
- Lunasect
- Lunatic Calm
- Lynn Morris Band
- Lynn Seaton
- Lynn Seaton Trio