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
See also DRRS (disambiguation)