RDD may refer to:
Radiological Dispersion Device, also known as a "Radiation Dispersal Device"
Random digit dialing, a method for selecting people for involvement in telephone surveysRDDtool (Round Robin Database Tool), software for logging time-series data
Redding Municipal Airport (IATA airport code: RDD), a public airport near Redding, CaliforniaReplaceable Database Driver (or Replicable Database Driver), a component of computer software that performs database operationsRequirement Driven Design, a software tool created by
UGS Corp.Rights Data Dictionary, part 6 of the
MPEG-21 standard. Supports part 5 (REL).
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