DMR may refer to:
- Dance Music Report, bi-weekly U.S. trade magazine
- The Des Moines Register, daily morning newspaper in Des Moines, Iowa
- Dennis Ritchie (1941–2011), computer scientist (username)
- Department of Main Roads (New South Wales), Australia
- Department of Main Roads (Queensland), Australia
- Designated marksman rifle, weapon used by a designated marksman in a U.S. infantry squad
- Dexy's Midnight Runners, a British pop-music group
- Digital media receiver, home entertainment device
- Distance Medley Relay, a track event consisting of a 1200, 400, 800, 1600 leg
- Digital Mobile Radio, open digital radio standard for Professional Mobile Radio
- Discharge Monitoring Report, submission report to the United States Environmental Protection Agency
- Dual modular redundant, redundancy back-up system
- Differential Microwave Radiometer, an instrument on the Cosmic Background Explorer satellite
- IMAX Digital Media Remastering, process for regular movies to render on IMAX screens