RCS

RCS may refer to:

Clubs and societies
  • Racing Club de Strasbourg
  • Radcliffe Choral Society
  • Royal College of Science
  • Royal College of Surgeons
  • Royal Commonwealth Society
Technology
  • Radar cross-section
  • Radio Computing Services
  • Reaction control system
  • Real-time Control System
Computing
  • Resource construction set
  • Return channel via satellite
  • Revision Control System
  • Rich Communication Suite
Other
  • Republika Československá (Republic of Czechoslovakia), Czechoslovakia's official name between 1918 and 1920
  • Representation of Czechs and Slovaks, name of the Czechoslovakian football team after the breakup of the country but before the breakup of the team
  • Rochester Airport, England, the IATA airport code
  • Riverdale Country School, Bronx, NY
  • Rizzoli-Corriere della Sera, aka RCS Mediagroup, an Italian publishing group
  • Romania Cable Systems
  • Royal Conservatoire of Scotland
  • Rural Clinical School of Western Australia
  • Recombinant congenic strain
  • Rectangular coordinate system, usually known as Cartesian coordinate system
  • Red cherry shrimp, a shrimp often kept in aquariums