DR

DR, Dr or dr may refer to:

Technology and science

Dead reckoning, the process of estimating a global position
Designated Router, a concept used in routing protocol OSPF
Design rationale, an explicit documentation of the reasons behind decisions made when designing a system or artifact
Digital radiography, a form of x-ray imaging, where digital X-ray sensors are used instead of traditional photographic film
Disaster recovery, a plan that covers the data, hardware and software critical for a business to restart operations in the event of a disaster
Dynamic range, the ratio between the largest and smallest possible values of a changeable quantity, such as in sound and light

DR Handmade Strings, a manufacturer of guitar strings
DR (broadcaster) (formerly Danmarks Radio), a Danish public-service radio and TV broadcaster
D/R or Design Research, a retail lifestyle store chain (1953–1978)
DR Motor Company, an Italian automobile company
Deutsche Reichsbahn, former German railway company in the GDR
Diário da República, the official gazette of the government of Portugal
Digital Research, a defunct software company
Duane Reade, a New York pharmacy chain

Dadar railway station, Central railway station code
Dalereckoning, a fictional numbering of years in the Forgotten Realms campaign setting of the Dungeons & Dragons game
Debit, a formal bookkeeping and accounting term
Demand response, a method of managing consumer consumption of electricity
Democratic Republic, a country that is both a democracy and a republic.
Dominican Republic, a country on the eastern portion of the Caribbean island of Hispaniola
Douay-Rheims, a translation of the Bible
Danganronpa, a murder-mystery visual novel released by Spike Chunsoft in Japan
Derealization, a term to define people that suffer from symptoms of derealization disorder.
Dram, a unit of mass and volume
Depositary receipt, a type of financial security