RWB may refer to:
- Red Wanting Blue, an American indie rock group
- Reporters Without Borders
- Resorts World Bhd, subsidiary of Genting Bhd that manages a casino resort in Pahang, Malaysia
- Royal Winnipeg Ballet
- Royal Wootton Bassett, a town in Wiltshire, UK
- RAUH-Welt BEGRIFF, a Japanese tuning-company specializing in modified Porsches and Porsche bodykits