- The LeeMajor7th -- The Left Rights
- The Leftovers -- The Legendary Bang
- The Legendary Beachcombers -- The Legendary Masked Surfers
- The Legendary Miles Johnson -- The Legion
- The Legion -- The Lemon Sisters
- The Lemon Song -- The Leningrad Philharmonic Orchestra
- The Lennerockers -- The Leprechauns
- The LeRoi Brothers -- The Lesser Birds of Paradise
- The Lesser Ghost -- The Letterpress
- The Letterpress Opry -- The Lew Tabackin Quartet
- The Lewallen Brothers -- The Liabilities
- The Liam Ivory Celli Band -- The Librarians
- The Library -- The Licentious Quintet