Vi har så langt registrert 19 632 rederier
| Navn | Grunnlagt | | Rosshavet Tankers Ltd, Oslo | |
| Ross Liner K/S, Oslo | |
| Ross Offshore A/S, Oslo | |
| Ross Sea Shipping Ltd, Oslo | |
| Rossø A/S, Kristiansund | |
| Rostein A/S, Harøy | |
| Rosund Drift A/S, Båtsfjord/Ålesund | |
| Rotnes, Olav, Nesoddtangen | |
| Rovde, Jon, Rovde | |
| Rovde Sandfrakt, Rovde, Ålesund | |
| Rovde Shipping A/S,Ålesund | |
| Rovde Supply A/S, Rovde, Ålesund | |
| Rove, Jacob T., Sandefjord | |
| Rowenta A/S, Reine/Leknes, Svolvær | |
| Royal Australian Navy | |
| Royal Canadian Navy | |
| Royal Caribbean Cruise Line, Oslo | |
| Royal Greenland A/S, Tromsø | |
| Royal Greenland Norway A/S, Trollåsen | |
| Royal Indian Navy | |
| Royal Italian Government | |
| Royal Mail Lines, London | |
| Royal Mail Steam Packet Co., Liverpool, England | |
| Royal Navy | |
| Royal Navy - African Coastal Flotilla | |
