RDA

RDA may refer to:

Laws

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

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

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, a fictional megacorporation in the Avatar films