- Gary L. Moon
- Gary L. Tomlinson
- Gary L. Wyatt
- Gary LaChance
- Gary Lait Cummings
- Gary Lakes
- Gary Lamb
- Gary Lambert
- Gary Lamoureux
- Gary Landess
- Gary Lane & The Mad Lads
- Gary Langan
- Gary Langen
- Gary LaPlant
- Gary Lapow
- Gary & Larry
- Gary Lasley
- Gary Lawrence
- Gary Lawyer
- Gary Lazer
- Gary Lecompte
- Gary Lee
- Gary Lee
- Gary Lee Frazier
- Gary Lee Kirkpatrick
- Gary Lee Koreiba
- Gary Lee Michael
- Gary Lee Morris
- Gary Lee Tolley
- Gary Lee Vincent
- Gary Leeds & Rain
- Gary LeFebvre
- Gary Leino
- Gary LeMel
- Gary Lenaire
- Gary Lenard Moore
- Gary Levine
- Gary LeVox
- Gary Lewis
- Gary Lewis & The Playboys
- Gary Lewis & The Playboys
- Gary Lightbody
- Gary Lindsay
- Gary Lineker
- Gary Link
- Gary Link & The Rock-A-Fellas
- Gary Lionelli
- Gary Lister
- Gary Lively
- Gary Lock
- Gary Louris
- Gary Lovelady
- Gary Low
- Gary Lowden
- Gary Lowder
- Gary Lowder
- Gary Lowder
- Gary Lowry
- Gary Lucas
- Gary Lucas & Gods and Monsters
- Gary Lundberg
- Gary Lunn
- Gary Luno
- Gary Lux
- Gary M. Hall
- Gary M. Hall & The Occupants