- Naftiliaki Eteria Lesvou
- Narva Line
- NASM
- NAVARMA
- Naviera Armas
- Naviera Paraguana
- Navigazione Arcipelago Maddalenino
- Navigazione Libera del Golfo
- Navirail
- NEL Lines
- Netherlands-America Steamship Company
- New Century Cruise Lines
- New Century Tours
- Nicko Cruises
- NLC Ferry
- Noble Caledonia
- Nordic Coast Line
- Nordic Ferry Services
- Nordic Jet Line
- Nordö-Link
- Norfolk Line
- Norfolk Lijn
- Northern Shipping Company
- Norwegian Cruise Lines
- Nurmes Marina
- Norled A/S