| Band | Years | Genre | | Band | Years | Genre |
| L'Arc-en-Ciel (7) | | | | Liquido (3) | | |
| L.A. Guns (2) | | | | Lit (24) | 1989 - | Alternative Rock |
| L.L. Cool J (10) | | | | Little Blue Crunchy Things (1) | | |
| L7 (14) | | | | Little Feat (16) | | |
| La's, The (4) | | | | Little Rabbits, The (5) | 1988 - | Rock |
| La Bouche (4) | | | | Little River Band (3) | | |
| La Mafia (4) | | | | Little Sister (2) | | |
| Labradford (49) | | | | Little Texas (2) | | |
| Labrat (2) | 1998 - | Grindcore | | Live (48) | 1980s - | Rock |
| Lacrimosa (3) | | | | Living Colour (6) | 1984 - | Rock |
| Lacuna Coil (5) | | Goth Rock | | Living Death (2) | | |
| Ladysmith Black Mambazo (4) | | A Cappella | | Living End, The (7) | | |
| Ladytron (8) | 1998 - | Electroclash | | Lizzy Borden (3) | | |
| Lagwagon (2) | | | | Llama (2) | | Jam Rock |
| Laibach (7) | 1980 - | Rock | | Llama Farmers (5) | | |
| Laika (4) | | | | Llan de Cubel (3) | 1984 - | Celtic Folk |
| Lake of Tears (3) | | | | LMNT (9) | | |
| Lakuna (2) | | | | Lo-Fidelity Allstars (7) | | |
| Lali Puna (2) | | | | Lobos, Los (4) | | |
| Lamb (4) | | Contemporary Christian | | Local H (6) | | |
| Lamb Of God (3) | | Death Metal | | Locust (3) | | |
| Lambchop (5) | | | | Lollies, The (1) | | |
| Lambert, Hendricks and Ross (4) | 1957 - 1962 | Vocalese | | London After Midnight (5) | | |
| Lanternjack, The (2) | | | | London Brass (1) | 1951 - | |
| Lard (4) | | | | London Suede, The (73) | | |
| Lasgo (7) | 2001 - | Euro-Dance | | Lonely Boys, Los (9) | | Rock |
| Latin Playboys (3) | | | | Lonesome Bob (3) | | |
| Laura Love Band (12) | | | | Lonesome River Band (4) | | |
| Lawson, Doyle and Quicksilver (3) | | Bluegrass | | Lonesome Strangers (3) | | |
| Laziest Men on Mars, The (4) | | | | Lonestar (8) | | |
| Le Tigre (2) | | | | Long Beach Dub Allstars (7) | | |
| Leadbelly (10) | | | | Longhair, Professor (5) | | |
| Leaether Strip (4) | | Industrial Rock | | Longpigs (2) | | |
| Leahy (2) | | | | Longview (1) | | |
| Leatherwolf (4) | | Hair Metal | | Loop Guru (9) | | |
| Led Zeppelin (68) | 1968 - 1980 | Classic Rock | | Lord High Fixers (6) | | |
| Ledbetter, Huddie (10) | | | | Lords of Acid (4) | | |
| Lee Press-On and the Nails (2) | | | | Los Bravos (1) | | Pop |
| Left Hand Solution (2) | | | | Los Lobos (4) | | |
| Leftfield (13) | 1991 - | Electronica | | Los Lonely Boys (9) | | Rock |
| Leftover Crack (4) | | Punk | | Los Palominos (2) | | |
| Leftover Salmon (2) | | | | Lost Dogs, The (2) | 1992 - | Christian Country |
| Lefty (2) | | | | Lost Prophets (11) | | Alternative Rock |
| Legendary Pink Dots (3) | | | | Lotus (1) | | |
| Lemonheads (5) | | | | Loud Family, The (3) | | |
| Len (6) | 1991 - | Rock | | Loud Lucy (2) | | |
| Lennon Sisters, The (3) | | | | Loudness (4) | | |
| Lennox, Annie (4) | | | | Louise (11) | | |
| Les Double Six of Paris (4) | | | | Louvin Brothers (7) | | |
| Les July (2) | | | | Lovage (3) | 2001 - | Electronica |
| Les Négresses Vertes (1) | 1987 - | Folk | | Love (2) | | |
| Les Rythmes Digitales (3) | | | | Love 45 (1) | | Rock |
| Less Than Jake (10) | | Ska | | Love and Money (11) | 1985 - 1994 | |
| Let's Active (0) | | | | Love and Rockets (6) | 1984 - 1999 | Rock |
| Level 42 (6) | | | | Love Song (20) | 1968 - 1976 | Christian Rock |
| Levellers (5) | | | | Love Spirals Downwards (3) | | |
| Lewis, Huey and the News (3) | | | | Lovemongers (2) | | |
| LFO (49) | | | | Loverboy (17) | | |
| Liberation Suite (1) | 1971 - | Christian Rock | | LovesLiesCrushing (3) | | |
| Libertines, The (2) | | Rock | | Lovespirals (7) | | Ambient |
| Liberty X (7) | | Pop | | Low (6) | | |
| Liege Lord (3) | | Hair Metal | | Lowen and Navarro (2) | | |
| Life in General (2) | | | | Lower Class Brats (2) | | |
| Life of Agony (7) | | | | Lowery 66 (3) | | Jam Rock |
| Lifehouse (17) | 1996 - | Rock | | Lowgold (5) | | |
| Lifer (15) | | | | lowsunday (6) | | Shoegaze |
| Lift to Experience (3) | | Alternative Rock | | Lucia, Ingrid and the Flying Neutrinos (6) | | Retro Swing |
| Ligament (1) | | | | Lucifer's Heritage (6) | 1985 - | Heavy Metal |
| Lighthouse Family (24) | 1993 - | Pop | | Lucky Boys Confusion (2) | | |
| Lightning Bolt (3) | | Post-Punk | | Lumpy Balboa Condition (2) | | |
| Lightning Seeds (18) | 1989 - | Rock | | Luna (41) | 1991 - | Indie Rock |
| Lil' Kim (24) | | | | Luna Halo (11) | 1998 - | Christian Rock |
| Lil' Romeo (5) | | | | Luna Sea (5) | | |
| Lil' Zane (5) | | | | Lunachicks (6) | | |
| Lil Bow Wow (19) | | | | Lungfish (3) | | |
| Lilac Time, The (2) | | | | Lupine Howl (3) | | |
| Lillix (12) | | | | Lure (2) | | |
| Lilys (2) | | Shoegaze | | Lurid (3) | | |
| Limbonic Art (3) | | | | Luscious Jackson (6) | | |
| Limp Bizkit (118) | | | | Lush (4) | | |
| Limp Wrist (0) | | Hardcore Punk | | Luxt (2) | | |
| Lindisfarne (6) | | Folk-Rock | | Luxx (14) | 1995 - | Rock |
| Linkin Park (46) | | Alternative Rock | | Lycia (3) | | |
| Lion's Share (3) | | | | Lynns, The (5) | | |
| Liquid Plumber (4) | | | | Lynyrd Skynyrd (93) | 1965 - | Classic Rock |
