| The Last Poets |
| The Last Resort |
| The Last Shadow Puppets |
| The Last TeleBenders |
| The Last Titan |
| The Last Vegas |
| The Last Waltz Ensemble |
| The Last Wednesday |
| 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 |
| The Latino Rockabilly War |
| Thé Lau |
| The Laughing Men |
| The Laurie Berkner Band |
| The Lavender/Shell Duo |
| The Lavens |
| The Lavon Stevens Quartet |
| The Law |
| The Law North Of Crow Creek |
| The Lawmen |
| The Lawn |
| The Lawrence Arms |
| The Lawson-Haggart Jazz Band |
| The Lawyers |
| The lazy freeloaders |
| The Leader |
| The League of One |
| 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 Lebowski |
| The Lebrón Brothers |
| The Lectric Monks |
| The Lee Gordon Singers |
| The Lees |
| The Left Banke |
| The Left Lanes |
| The Leftovers |
| The Lefty Brothers |
| The Legacy |
| The Legacy Band |
| The Legend Adam Bomb |
| The Legendary Blues Band |
| The Legendary Masked Surfers |
| The Legendary Pink Dots |
| The Legendary Shack Shakers |
| The Legendary Tigerman |
| The Legends |
| The Legion |
| The legion of doom |
| The Leiber-Stoller Big Band |
| The Lemon Pipers |
| The Lemon Twigs |
| The Lemonheads |
| The Lemonheads |
| The Len Mercer Strings |
| The Len Price 3 |
| The Lengths |
| The Lennies |
| The Lennon Sisters |
| The Lenny D Show |
| The Lenny Mack Band |
| The Leon Young String Chorale |
| The LeRoi Brothers |
| The Les Humphries Singers |
| The Leslie West Band |
| The Letter Black |
| The Lettermen |
| The Letters Organize |
| The Leuzinger Gang |
| The Levellers |
| The Levels |
| The Levon Helm Band |
| The Lewis Family |
| The Lewis Sisters |
| The libertines |
| The Liberty Party |
| The Liberty Voices |
| The Librettos |
| The Lieutenant |
| The Lifestyle |
| The Light Crust Doughboys |
| The Lighthouse All-Stars |
| The Lightning Seeds |
| The Lightyears Explode |
| The Like |
| The Lilac Time |
| The Limba |
| The Limeliters |
| The Limit |
