- LIHOULAI
- LILY BROWN
- LINCAR
- LINDY
- LINE FRIENDS
- LINEモバイル
- Link Dream
- LINKA
- LINKASE AIR
- Links INTERNATIONAL
- LINKSYS
- LINN
- Lino Mirai
- Linxas
- LisaLarson
- LITEON
- LITHON
- Livease
- LivelyLife
- LivHeart
- LIVIL audio
- LIVZA
- LIXIL
- LIZDAYS
- LOBSTER
- Loco Ocean
- Loctek
- LODGE
- LOE
- LongFresh
- LongLife（ロングライフ）
- LooCo
- LOOZER
- Lotoo
- LOUIS VUITTON タイガ
- Loute
- LOUVREDO
- LOUVREDO FUKUGEN
- LOVETOXIC
- Loxia