Film and television

• RD, a fictional character in the anime Zoids: Fuzors
• Rainbow Dash, a fictional character in the television show My Little Pony: Friendship Is Magic
• Real Drive, an anime by Production I.G
• Red Dwarf, a British science fiction comedy franchise
• Reservoir Dogs, a 1992 American film written and directed by Quentin Tarantino

Gaming

• Radiant Dawn, a tactics, turn based strategy RPG for the Wii
• Radical Dreamers, a text-based role playing game on the Satellaview made in 1996
• Ratchet: Deadlocked, the fourth game in the Ratchet and Clank series
• Root Double: Before Crime * After Days, a 2012 visual novel video game

Music

• RD (group), a British girl group also known as Ruff Diamondz
• Radio Disney, a California-based radio network with music and other content targeted to young people
• Reasonable Doubt (album), rapper Jay-Z's debut album

Other media

• Reader's Digest, a popular general-interest magazine
• ReDent, identi.ca's term for reblogging
• RememberDestiny, a cosplay group from Belgium
• Rilindja Demokratike, an Albanian newspaper

• Rassemblement démocrate, a political party in France
• USDA Rural Development, an agency of the United States Department of Agriculture
• Ryan International Airlines (IATA airline designator RD)

• Road
• Red Deer, Alberta, Canada

• Decoration for Officers of the Royal Naval Reserve, or Reserve Decoration, an award for service in the Royal Navy Reserve of the United Kingdom
• Emblem for Reserve Force Service, Reserve Decoration, or Reserve Force Distinction or Decoration, an award of the South African National Defense Force Military Reserve

• Rithvik Dhanjani, Indian television actor
• Rahul Dravid, former Indian cricket player
• Roald Dahl (1916–1990), British writer

Computing and mathematics

• rd, also called rmdir, a shell command meaning "remove directory"
• R^d, the mathematical domain of real numbers
• Rata Die, a calendar-independent system to assign numbers to calendar dates
• Route distinguisher, in data networking, a concept in Multiprotocol Label Switchi