HDR

HDR may refer to:

Science and technology

 * Hard disk recorder, for digital audio or video
 * HD Radio, digital audio broadcasting system
 * High Data Rate (disambiguation)
 * High dynamic range, in audio or video
 * High-dynamic-range rendering, in computer graphics
 * High-dynamic-range imaging, in digital photography
 * High-dynamic-range video, in video
 * Homology directed repair, a DNA repair system in cells
 * Hot dry rock, a form of geothermal energy production
 * GATA3, a protein also named HDR

Organizations

 * HDR, Inc., an American architectural and engineering firm
 * HevyDevy Records, a Canadian record label
 * High Dive Records, an American record label
 * Honicknowle Defence Regiment, a criminal organization from Honicknowle, Plymouth, England

Places

 * Hyderabad Junction railway station (station code), in Sindh, Pakistan
 * Hadrian Road Metro station (station code), in England

Other uses

 * Habilitation à diriger des recherches (accreditation to supervise research), an academic qualification in France
 * Human Development Report, an annual United Nations publication
 * Humanitarian daily ration, an air-dropped ration for disasters