| La Tribu | — | April 1999 | Production | — |
| La Voix de son maître | France | — | Imprint | — |
| La-La Land Records | United States | January 1, 2002 | — | 3 |
| Label Bleu | France | — | Original Production | — |
| Label Bleu | France | January 1, 1986 | — | 1 |
| Labrador Records | Sweden | January 1, 1997 | — | 42 |
| LaFace Records | United States | 1989 | Original Production | — |
| LaFace Records | United States | January 1, 1989 | — | 3 |
| Lahari Music | India | — | — | 2 |
| Lamon Records | United States | January 1, 1962 | — | 1 |
| Lantis | Japan | November 26, 1999 | Imprint | — |
| Lantis | Japan | January 1, 1981 | — | 28 |
| Lapone Entertainment | Japan | May 29, 2019 | — | — |
| Lapone Girls | Japan | February 8, 2024 | — | — |
| Laptra | Argentina | January 1, 2003 | — | 1 |
| LaserLight Digital | — | 1989 | Imprint | — |
| Last Gang Records | Canada | 2003 | Original Production | — |
| Last Gang Records | Canada | January 1, 2003 | — | 1 |
| Laurie Records | United States | January 1, 1958 | — | 2 |
| Lava | United States | 1995 | Imprint | — |
| Lava Records | United States | January 1, 1995 | — | 2 |
| La‐La Land Records | United States | 2002 | Original Production | — |
| LDH | Japan | January 1, 2003 | — | — |
| Le Chant du Monde | France | 1938 | Production | — |
| Le Chant du Monde | France | January 1, 1938 | — | 1 |
| Le Coq Records | United States | January 1, 2018 | — | 1 |
| Le Triton | France | November 1, 2000 | — | — |
| Leaplay Music | South Korea | January 1, 2009 | — | — |
| Leedon | Australia | January 1, 1958 | — | 1 |
| Legacy | — | 1990 | Reissue Production | — |
| Legacy Recordings | United States | January 1, 1990 | — | 10 |
| Legendaarne Records | Estonia | January 1, 2005 | — | — |
| Lemon Recordings | United Kingdom | January 1, 2003 | — | 1 |
| Les Disques du Crépuscule | Belgium | August 1980 | Original Production | — |
| Les Disques du Crépuscule | Belgium | January 1, 1980 | — | 2 |
| Les Disques Victo | Canada | January 1, 1987 | — | 1 |
| Levy-yhtiö | Finland | January 1, 1992 | — | — |
| Lex Records | United Kingdom | January 1, 2001 | — | 2 |
| Liberation Music | Australia | January 1, 1999 | — | 1 |
| Liberation Records | United States | January 1, 1994 | — | 5 |
| Liberty | United States | 1955 | Original Production | — |
| Liberty Records | United States | January 1, 1955 | — | 8 |
| Licomp Empirical Multimedia Sp. z o.o. | Poland | January 1, 1997 | — | 1 |
| Lifeforce Records | Germany | January 1, 1995 | — | 2 |
| Light Records | United States | January 1, 1966 | — | 1 |
| Lightyear Entertainment | United States | January 1, 1987 | — | 2 |
| Limak Records | Italy | January 1, 2000 | — | — |
| Line Records | Brazil | January 1, 1991 | — | 8 |
| Linfair Records | Taiwan | January 1, 1961 | — | 4 |
| Lionheart International | Sweden | January 1, 2005 | — | 6 |
| Lionheart Music Group | Sweden | January 1, 1990 | — | 16 |
| Liquicity | — | 2008 | Original Production | — |
| Liquicity | Netherlands | January 1, 2008 | — | — |
| Liquid State | People's Republic of China | January 8, 2018 | — | — |
| Liquor and Poker Music | United States | January 1, 2003 | — | 1 |
| Little Big Apple Records | Sweden | January 1, 1984 | — | 3 |
| Little Big Music | Norway | January 1, 2019 | — | — |
| Live & Alive | Germany | — | Bootleg Production | — |
| Live Nation Entertainment | United States | January 1, 2005 | — | — |
| Lizos Music | United States | January 1, 2014 | — | 1 |
| Lofi Girl | France | 2026 | Original Production | — |
| Lofi Records | — | March 18, 2021 | Original Production | — |
| Logo | United Kingdom | January 1, 1977 | — | 1 |
| Loma Vista Recordings | United States | 2012 | Imprint | — |
| Loma Vista Recordings | United States | January 1, 2012 | — | 5 |
| Lon Records | Algeria | January 1, 2016 | — | 1 |
| London Classics | United States | — | Imprint | — |
| London Records | — | 1947 | Original Production | — |
| London Records | United Kingdom | January 1, 1947 | — | 14 |
| Long Branch Records | Germany | — | Original Production | — |
| Lookout! Records | United States | January 1, 1987 | — | 1 |
| Loose | United Kingdom | January 1, 1998 | — | 1 |
| Lost Frog | — | 1992 | Production | — |
| Lost Highway | United States | 2000 | Imprint | — |
| Lost Highway Australia | Australia | January 1, 2014 | — | 1 |
| Love Records | — | 1966 | Production | — |
| Love Records | Finland | January 1, 1966 | — | — |
| LoveRock | South Korea | January 1, 2010 | — | — |
| Loversoul | Japan | October 20, 2005 | — | — |
| LPR Sound | United States | June 12, 2023 | — | — |
| LS Records | United States | January 1, 1972 | — | 3 |
| Luaka Bop | United States | 1989 | Original Production | — |
| Luaka Bop | United States | January 1, 1988 | — | 1 |
| Luncai Emas | Malaysia | January 5, 1990 | — | 1 |
| Lund Records | Sweden | February 16, 1995 | — | — |
| Lusafrica | France | January 1, 1988 | — | 1 |
| LYKY LABEL FRANCE | France | January 12, 2022 | — | — |
| Lyra | Greece | January 1, 1964 | — | 1 |
| Lördag | Finland | January 1, 2014 | — | — |
| Lübbe Audio | Germany | 1996 | — | — |