DRA is a three-letter acronym that may refer to:
- Defence Research Agency, a former executive agency of the United Kingdom
- Democratic Republic of Armenia, a short-lived Armenian republic in the South Caucasus (1918-1920)
- Democratic Republic of Afghanistan, the communist regime that ruled Afghanistan from 1978-87. In 1987 they countries official name was changed to the Republic of Afghanistan after the National Reconciliation talks.
- Deutscher Reichsausschuss für Olympische Spiele (DRA or DRAfOS) "German Imperial Commission for Olympic Games", a former German Olympic Sports organization.
- Deutsches Rundfunkarchiv, see German Broadcasting Archive
- Dielectric Resonator Antenna
- Digital rectal exam
- Disaster Recovery Advisor, a Symantec product
- Don't Run Away, a program that educates elementary and middle school students about the consequences and alternatives of running away
- Downregulated-in-adenoma, an anion exchanger
- Drag reducing agent, a pipeline flow improver
- Driver reminder appliance (British Rail)
- Dynamic Resolution Adaptation, a Chinese-developed digital audio coding standard, recently added to the Blu-ray Disc format as an optional encoding.
- Dynamic Resource Allocation, The mechanism used in IMS Policy services with evolved packet core (LTE).