L
- Lisa Lampanelli
- Hugh Laurie
- Larry the Cable Guy (Warner Bros. Nashville)
- Lil Flip (Asylum/Warner Bros.)
- Lilygreen & Maguire
- Linkin Park
- The Lucky Bucks
- Laze & Royal
- Lights
- Lil Boosie (Trill Ent./Asylum/Warner Bros.)
- LostAlone (Sire/Warner Bros.)
- { {Warner Bros. MMG}
Read more about this topic: List Of Current Warner Bros. Records Artists