RCS may refer to:
Organizations Arts and entertainment Radio Corporation of Singapore Radcliffe Choral Society, a choral ensemble at Harvard University, US RCS MediaGroup (formerly Rizzoli-Corriere della Sera), an Italian publishing group Royal Conservatoire of Scotland Ryan Cayabyab Singers, a Philippine band
Education Rawmarsh Community School, South Yorkshire, England Richmond Christian School, British Columbia, Canada Rajshahi Collegiate School, Bangladesh Riverdale Country School, Bronx, New York, US Rogersville City Schools, a school district, Tennessee, US Rosehill Christian School, Texas, US Royal College of Science, a former higher education institution, London, England Royal College of Surgeons, an ancient college in England
Military Regional Command South (RC-S), part of NATO's Resolute Support Mission within Afghanistan Royal Corps of Signals, of the British Army
Sport RC Strasbourg Alsace, a French football club Representation of Czechs and Slovaks, a football team
Other organisations Red Crescent Society Red Cross Society Romania Cable Systems RCS Motor Club, who maintain an antique fire engine for the Royal College of Science Radio Computing Services, an American software company
Places First Czechoslovak Republic (RČS; Republic of Czechoslovakia), Czechoslovakia's official name between 1918 and 1920 Rochester Airport (Kent) (IATA code:RCS), England Risalpur Cantonment railway station (station code:RCS), Pakistan
Science and technology Radar cross-section, a measure of how detectable an object is by radar Reaction control system, a system of thrusters used to maneuver spacecraft Reentry control system, for planetary reentry Remote control system, an electronic device Rich Communication Services, a substitute for SMS used in mobile phone messaging
Computing Random circuit sampling, in quantum computing Real-time Control System, a reference model architecture Resource construction set, a GUI builder for GEM applications Revision Control System, an early implementation of a version control system
Transportation Raleigh, Charlotte and Southern Railway (RC&S), a predecessor to Norfolk Southern Railway, US Regional Connectivity Scheme, for aviation in India, under UDAN Republic of China Ship (ship prefix: RCS, ROCS), for the Republic of China Navy
Other uses Ryan Cochran-Siegle (born 1992), American World Cup alpine ski racer
See also
DVB-RCS, return channel via satellite RCS & RDS, Romanian telecom company
RC (disambiguation)