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- Radio Flyer - USA
- Raleigh - UK. Part of Derby Cycle Werke (German Wikipedia) Corporation, Germany.
- Rambler - USA (defunct), made by Gormully & Jeffery
- Rans Designs - USA
- Razor - USA
- Redline bicycles - USA
- Ridgeback - UK
- Ridley - Belgium
- Riese und Müller - Germany
- RIH - Netherlands
- Riley Cycle Company - UK (defunct)
- Rivendell Bicycle Works - USA
- Roadmaster - USA
- Roberts Cycles - UK
- Robin Hood - UK
- Rocky Mountain Bicycles - Canada
- Romet - Poland - A brand from the company Arkus & Romet Group
- Ross - USA
- Rover Company - UK
- Rowbike - USA
- Rudge-Whitworth - UK
Read more about this topic: List Of Bicycle Brands And Manufacturing Companies