| The Kolors |
| The Kominas |
| The Koobas |
| The Kooks |
| The Kop Choir |
| The Koreans |
| The Korgis |
| The Korn Kobblers |
| The Kossoy Sisters |
| The Kraft |
| The Krays |
| The Kreeg |
| The Kristet Utseende |
| The Krush |
| The Kry |
| The Kumars |
| The Kurstins |
| The L Project |
| The L.A. 4 |
| The L.A. Horns |
| The L.A. Jazz Choir |
| The L.A. Multi School Jazz Band |
| The La De Das |
| The LA Reflection Section |
| The La's |
| The Lacs |
| The Lads |
| The Lady of Rage |
| The Ladybug Transistor |
| The Lafaros |
| The Lambrettas |
| The Lamplighter All Stars |
| The Lancastrian Theatre Organ Trust |
| The Lancers |
| The Langley Schools Music Project |
| The Larkins |
| The Larks |
| The Lashes |
| The Lassie Foundation |
| The Last Bandoleros |
| The Last Dance |
| The Last Emperor |
| The Last Goodnight |
| The Last Hard Men |
| The Last Poets |
| The Last Shadow Puppets |
| The Last Vegas |
| The Last Waltz Ensemble |
| The Latency |
| The Latin Association |
| The Latin Hooligans |
| The Latin Jazz Coalition |
| The Latin Jazz Quintet |
| The Latin Rhythm Connection |
| The Latin Sound of Guitars |
| The Latin Sounds Orchestra |
| The Latino Band |
| Thé Lau |
| The Laughing Face |
| The Laurie Berkner Band |
| The Lavender/Shell Duo |
| The Lavens |
| The Lavon Stevens Quartet |
| The Law |
| The Lawmen |
| The Lawn |
| The Lawrence Arms |
| The Lawson-Haggart Jazz Band |
| The lazy freeloaders |
| The La\'s |
| The LBLBUFFTF Choir |
| The Leader |
| The Leake County Revelers |
| The Learning Station |
| The Leathercoated Minds |
| The Leaves |
| The Leaves of Grass |
| The Lebanese National Orchestra for Oriental Arabic Music |
| The Lebrón Brothers |
| The Lee Gordon Singers |
