- La Méridionale
- Labrator Marine Inc
- Laivayhtiö Otukka OY
- LangelandsFærgen
- Langelandslinjen
- A/S Larvik-Fredrikshavnferjen
- Larvik Line
- LD Lines
- Liberty Lines
- Linda Line
- Lindblad Expeditions
- Lineas Fred. Olsen
- Lion Ferry
- LISCO
- LISCO Baltic Service
- Lithuanian shipping company
- Louis Cruise Lines
- Louis Dreyfus Armateurs
- Læsø Færgen