R66
R66 stands for:
- BMW R 66 , a motorcycle produced from 1938 to 1941 by the vehicle and engine manufacturer BMW
- R66 (star) , a star in the Large Magellanic Cloud, also known as HDE 268835
- Risk phrase , the hazard labeling
- R-66Y robot, in the Chrono Trigger video game
- Route 66 (company) , a manufacturer of mobile navigation systems
- Robinson R66 , helicopter from the US company Robinson Helicopters
- HMS Zambesi, historic ship of the British Royal Navy