DR
- DR – (i) Dead Reckoning – (s) Dominican Republic (FIPS 10-4 country code) – (i) Danmarks Radio (Danish Broadcasting Corporation)
- DRA – (i) Defence Research Agency (UK, 1991–1995) – Democratic Republic of America
- DRAGN – (a) Double Radio source Active Galactic Nucleus ("dragon")
- DRAM – (a) Dynamic Random Access Memory ("dee-ram") (computing)
- DRC – (i) Democratic Republic of the Congo
- DRDC – (i) Defence Research & Development Canada
- DREA – (i/a) Defence Research Establishment Atlantic (obsolete 2002)
- DRES – (i/a) Defence Research Establishment Suffield (obsolete 2002)
- DRET – (i/a) Defence Research Establishment Toronto (obsolete 2002)
- DREV – (i/a) Defence Research Establishment Valcartier (obsolete 2002)
- DRI – (i) Detection, Recognition, Identification – Dietary Reference Intake
- DRIC – (i/a) (U.S.) Defense Research Information Center
- DRL – (i) Daytime Running Lights – Dorman Roberts Ltd.
- DRM – (i) Digital Rights Management
- DRMS – (i) (U.S.) Defense Revitalization and Marketing Service
- DRPR – (p) Drawing Practices
- DRT – (i) Document Related Technologies
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