Rd is an abbreviation for road.
RD or Rd may also refer to:
Arts, entertainment, and media Reader's Digest, a United States general-interest magazine Real Drive, an anime by Production I.G RD (group), a British girl group also known as Ruff Diamondz Rilindja Demokratike, an Albanian newspaper Razor Dolls, an online blogging group based on SpaceHey and Instagram Rainbow Dash, one of the six main characters of My Little Pony: Friendship Is Magic
People R. D. Blackmore, English novelist R. D. Burman, Indian musician R. D. Laing, British psychiatrist R. D. Matthews, Texan organized crime figure R.D. Riccoboni, painter
Businesses and organizations Pratt & Whitney Rocketdyne, a United States rocket engine company Ryan International Airlines (IATA airline designator RD) USDA Rural Development, an agency of the United States Department of Agriculture
Language ‹rd›, a Latin alphabet digraph of a retroflex stop in Aboriginal Australian languages rd, an English-language ordinal indicator, for ordinal numbers ending in "third" (e.g. 3rd, 23rd, 33rd)
Military Emblem for Reserve Force Service or Reserve Decoration, an award of the South African National Defense Force Military Reserve Repair Depot (e.g., 6 Repair Depot), in military use Reserve Decoration, an award for service in the Royal Navy Reserve of the United Kingdom
Positions and titles
Resident director, a common staff position at universities and colleges with on-campus housing Rural dean, an ecclesiastical title in Anglicanism Reverendo Don, the Italian written form of address for Catholic priests, equivalent to the English “Reverend Father”
Science, technology, and mathematics
Computing
Rata Die, a calendar-independent system to assign numbers to calendar dates Rate–distortion optimization, a decision algorithm used in video compression Rider (software), a cross-platform IDE intended for C# and .NET development rmdir, a shell command meaning "remove directory" Route distinguisher, in data networking, a concept in Multiprotocol Label Switching Ruby Document format, a markup language used for documentation of Ruby programs
Health and medicine Restrictive dermopathy Reading disability, a condition resulting primarily from neurological factors Registered Dietitian, an expert in dietetics Retinal detachment, a disorder of the eye Risk difference, a term in epidemiology related to absolute risk reduction
Other uses in science, technology, and mathematics Rd, the mathematical domain of real numbers Reaktivniy Dvigatel, a Soviet Russian prefix for an engine design series (literally, "reactive engine"; see RD-8 for example) Research and development Rutherford (unit), a unit of radioactivity
Transportation
Red Line (Washington Metro) Richmond and Danville Railroad
Other uses Dominican Republic, a Caribbean country Dominican peso (currency symbol: RD$) rd, a round or cartridge of ammunition Recurring deposit Regional district Rural delivery service, mail delivery in what are traditionally considered rural areas in the United States
See also Remote desktop (disambiguation)