L
- Ladysmith Black Mambazo
- Laid Back (Sire/Warner Bros.)
- Daniel Lanois
- k.d. lang
- Marit Larsen
- Nicolette Larson
- Melissa Lawson (Warner Bros. Nashville)
- Josiah Leming
- Leschea
- Less Than Jake (Sire/Warner Bros.)
- Jerry Lee Lewis (Sire/Warner Bros.)
- Liberace
- Little Feat
- Little Indian (Premeditated/Warner Bros.)
- Little Texas (Warner Bros. Nashville)
- Jackie Lomax
- Jeff Lorber
- Los Lobos (Slash/Warner Bros.)
- Love De-Luxe
- Lauren Lucas (Warner Bros. Nashville)
Read more about this topic: List Of Former Warner Bros. Records Artists