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- Abraham Laboriel
- Greg Lake (King Crimson, Emerson, Lake & Palmer)
- Joe Lally (Fugazi, Ataxia)
- Adrian Lambert (Biomechanical, DragonForce)
- Alan Lancaster (Status Quo)
- Dirk Lance (Incubus)
- Tim Landers (Steve Smith, Vital Information)
- Ronnie Lane (The Small Faces, Faces)
- Steve Lang (April Wine, Mashmakhan)
- Chad Larson (The Aquabats)
- Dave LaRue (Dixie Dregs, Steve Morse Band)
- Bill Laswell
- Blackie Lawless (W.A.S.P., New York Dolls)
- Jack Lawrence (The Greenhornes, Blanche, The Raconteurs The Dead Weather)
- Steve Lawson
- Jimmy Lea (Slade)
- Frédéric Leclercq (DragonForce)
- Brett Lee (Six & Out)
- Geddy Lee (Rush)
- Sara Lee (The B-52's, Gang of Four, Indigo Girls)
- Will Lee (The CBS Orchestra)
- Bill Leen (Gin Blossoms)
- Russell Leetch (Editors)
- Kelly LeMieux (Goldfinger)
- Paz Lenchantin (A Perfect Circle, Zwan)
- John Lennon (The Beatles)
- Julian Lennon
- Martyn LeNoble (Thelonious Monster, Porno for Pyros, The Cult)
- Matthew Leone (Madina Lake)
- Michael Lepond (Symphony X)
- Phil Lesh (The Grateful Dead)
- Stefan Lessard (Dave Matthews Band)
- John Levén (Europe, Brazen Abbot)
- Tony Levin (King Crimson, Peter Gabriel, Liquid Tension Experiment)
- Daniel Vee Lewis (World Entertainment War)
- Graham Lewis (Wire)
- Mike Lewis (Lostprophets)
- Steve "The Gangsta Rabbi" Lieberman
- Dan Lilker (Anthrax, Stormtroopers of Death, Nuclear Assault)
- Brian Locking (The Shadows, Marty Wilde)
- John Lodge (The Moody Blues)
- Joe Loeffler (Chevelle)
- Danny Lohner (Nine Inch Nails)
- Tony Lombardo (Descendents)
- James Lomenzo (Megadeth, Ozzy Osbourne, Black Label Society)
- Peter London (Crashdïet)
- Joe Long (The Four Seasons)
- Alan Longmuir (Bay City Rollers)
- Nick Lowe (Brinsley Schwarz, Rockpile)
- Conrad Lozano (Los Lobos)
- Matt Lukin (The Melvins, Mudhoney)
- Phil Lynott (Thin Lizzy)
- Lyn-Z (Mindless Self Indulgence)
- Ken Lyons (38 Special, The Lemonheads)
Read more about this topic: List Of Bass Guitarists