DDR or ddr may refer to:
*
ddr, ISO 639-3 code for the
Dhudhuroa language
*DDr., title for a
double doctorate in Germany
*DDR, station code for
Dadar railway station, Mumbai, India
*' (German Democratic Republic), official name of the former East Germany
*''
Dance Dance Revolution'', a musical video game series produced by Konami
*
Double data rate
In computing, a computer bus operating with double data rate (DDR) transfers data on both the rising and falling edges of the clock signal. This is also known as double pumped, dual-pumped, and double transition. The term toggle mode is used i ...
, a data transfer strategy of a computer bus
**
DDR SDRAM, a computer memory standard that uses double-data-rate transfers
*Developers Diversified Reality and DDR Corp., former names for
SITE Centers Corp.
*
Disarmament, demobilization and reintegration
Disarmament, demobilisation and reintegration (DDR), or disarmament, demobilisation, repatriation, reintegration and resettlement (DDRRR) are strategies used as a component of peace processes, and is generally the strategy employed by all UN Peacek ...
, a component of peace processes
*
DNA-damage response
DNA repair is a collection of processes by which a cell (biology), cell identifies and corrects damage to the DNA molecules that encode its genome. In human cells, both normal metabolism, metabolic activities and environmental factors such as r ...
, for repairing damaged DNA
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