DDR

DDR may refer to:

Geography and politics

• East Germany (Deutsche Demokratische Republik), a former state in Europe, 1949–1990
• Disarmament, demobilization and reintegration, a peacebuilding strategy for disbanding former combatants and reintegrating them into society
• Doha Development Round, a trade-negotiation round of the World Trade Organization

Music

• Dance Dance Revolution, a music video game series by Konami
• Doctor Dream Records, an independent record label

Science and technology

• DDR1, a gene coding for Discoidin Domain Receptor 1
• DDR2, a gene coding for Discoidin Domain Receptor 2
• Device Description Repository, a concept proposed by the Mobile Web Initiative Device Description Working Group of the W3C
• Dial-on-demand routing, a network-connection technique
• Direct-to-disk recording, a recording technique that does not use magnetic tape
• Double data rate, a transfer mode for data on a computer bus
• DASD Dump Restore, a mainframe utility program to copy and recreate disk volumes

Sport

• Dutchland Rollers or Dutchland DerbyRollers, a women's flat-track roller derby league based in Lancaster, Pennsylvania
• Daniele De Rossi, Italian footballer
• Dwayne De Rosario, Canadian footballer

Other

• DDR Corp., American real estate investment trust company
• DDR Motorsport, American kit car manufacturer
• Dadar railway station, Western Railway station code
• Destroyer Revolution, the Next Generation Escort Ship project of the Japanese Maritime Self-Defense Force (JMSDF)