DXR

DXR may refer to:


 * DXR, a class of locomotives in New Zealand
 * Danbury Municipal Airport (IATA code), Danbury, Connecticut
 * Digital X-ray radiogrammetry, a method for measuring bone mineral density
 * Doxorubicin, an anthracycline antibiotic used in cancer chemotherapy
 * DXP reductoisomerase, an enzyme
 * DirectX Raytracing, a computer graphics interface for real-time raytracing