RYR

RYR, RyR or Ryr may refer to


 * Robert Yates Racing, a NASCAR NEXTEL Cup and Busch Series racing team
 * Ryanodine receptor, a class of intracellular calcium channels
 * RYR, the ICAO code for Ryanair, an Irish low cost airline
 * RYR, the National Rail code for Ryde St John's Road railway station on the Isle of Wight, UK