RDA may refer to:

Laws

  • Rules of Decision Act, 1789, United States
  • Racial Discrimination Act 1975, Australia

Organisations

Government bodies

  • Rawalpindi Development Authority, Pakistan (founded 1989)
  • Redevelopment agency, a type of municipal department in the United States responsible for urban renewal
  • Regional development agency, a class of local body in England (1998–2010)
  • Road Development Authority, Sri Lanka (founded 1971)

Other organisations

  • Rassemblement Démocratique Africain (1946–1958), a political party in French West Africa
  • Reader's Digest Association, an American publisher
  • Research Data Alliance, a research community organisation started in 2013
  • Revolving Doors Agency, a British charity
  • Riding for the Disabled Association, a British equestrian charity
  • Rural Development Academy, an institution in Bangladesh

People

  • Rafael dos Anjos (born 1984), Brazilian mixed martial artist
  • Richard Dean Anderson (born 1950), American actor

Science, technology and mathematics

Biology and medicine

  • Recommended Dietary Allowance, one of several recommendations referred to as a Dietary Reference Intake
  • Representational difference analysis, a technique used to find sequence differences in two genomic or cDNA samples
  • Registered dental assistant
  • Relative dentin abrasivity, a measure of toothpaste's effects on tooth dentin

Computing

  • Remote Database Access, a protocol
  • Robotic data automation, the automation of tasks
  • Remote diagnostic agent, an Oracle database diagnostic tool

Other uses in science and mathematics

  • Rebuildable Dripping Atomizer, where liquid is dripped directly onto a coil
  • Redundancy analysis, a method for ordination in statistics
  • Retro-Diels–Alder reaction (rDA), a chemical reaction
  • Research and Development Array, a cosmic ray detector development project
  • Research Data Australia, a web portal for access to national research data, within Australian Research Data Commons

Other uses

  • Redland railway station, Bristol, England (CRS code: RDA)
  • Resource Description and Access, a library cataloguing standard
  • Resources Development Administration (RDA), a fictional megacorporation in the Avatar films
  • Roshan Digital Account, a banking service for overseas Pakistanis