HDR
- GATA3
- HD Radio
- HDR, Inc.
- HDRS
- Habilitation à diriger des recherches
- Hadrian Road Metro station
- Hard disk recorder
- Header (disambiguation)
- HevyDevy Records
- High Data Rate (disambiguation)
- High Dive Records
- High dynamic range
- High-dynamic-range imaging
- High-dynamic-range rendering
- High-dynamic-range video
- Homology directed repair
- Honicknowle Defence Regiment
- Hot dry rock
- Human Development Report
- Humanitarian daily ration
- Hyderabad Junction railway station