DRR

DRR may refer to:

Organisations

 * Directorate of Rice Research, former name of a rice research institute in India
 * Dolly Rockit Rollers, roller derby league from Leicestershire, England
 * Dreyer & Reinbold Racing, an American auto racing team

Science and technology

 * Deficit round robin, a scheduling algorithm
 * Domain-to-range ratio, in computer science
 * Digitally reconstructed radiograph or CT scan, a medical imaging technique

Other uses

 * Disaster Response Route, emergency response road network in British Columbia, Canada
 * Disaster risk reduction
 * Disneyland Railroad, steam railroad attraction in Anaheim, California, US