- The Long Blondes
- The Long Tall Texans
- The Longcut
- The Look
- The Lookouts
- The Loons
- The Lords
- The Lords Of The New Church
- The Lordz
- The Loserz
- The Lost Boys Club
- The Lost Brothers
- The Lost Colors
- The Lost Fingers
- The Lost Gecko
- The Lost Gospel
- The Lost Trailers
- The Lot Six
- The Lotus Eaters
- The Lotus Revolution
- The Loud Family
- The Louvin Brothers
- The Love Affair
- The Love Bulow
- The Love Bus
- The Love Language
- The Lovecrave
- The Loved Ones
- The Lovegods
- The Lovely Feathers
- The Lovemakers
- The Low Anthem
- The Low Life
- The Lower 48
- The Lucky Bullets
- The Lucky Cupids
- The Luka State
- The Lylas
- The Lyrical
- The Lyrical Madmen
- The M Machine
- The Mac Band
- The Maccabees
- The Mad Conductor
- The Mad Trist
- The Madden Brothers
- The Maddigans
- The Mae Shi
- The Mae Trio
- The Magic Numbers