- The Lake -- The Lancastrians
- The Lance Gambit Trio -- The Langley Schools Music Project
- The Language of Peace -- The Larrys
- The Larx -- The Last Barbarians
- The Last Bison -- The Last Drop
- The Last Dynasty -- The Last Nightingale
- The Last Nova -- The Last Soul
- The Last Straws -- The Late Great
- The Late Greats -- The Latin Jazz Coalition
- The Latin Jazz Quintet -- Thé Lau
- The Laugh Riots -- The Laurindo Almeida Trio
- The Lava Brothers -- The Lawrence Arms
- The Lawrence Comp -- The Lawyer