RS may refer to:
Businesses and organizations
Sport
- RS Sailing, an international designer and builder of sailboats and dinghies
- Ford TeamRS, Ford Motor Company's European performance car and motorsport division
- Renault Sport, a motorsport division of Renault
Other businesses and organizations
- RS Components, an international electronic component distributor
- RS Public Company Limited, a Thai Music Company
- Relief Society, an official auxiliary of The Church of Jesus Christ of Latter-day Saints (LDS Church)
- République solidaire, a French political party
- Roberval and Saguenay Railway (reporting mark RS)
Places
- Republic of Serbia, country (ISO 3166-1 code RS)
- Republic of Slovenia, country
- Republika Srpska, one of the two political entities that compose the state of Bosnia and Herzegovina
- Republika Srpska (1992–95)
- Rio Grande do Sul, Brazilian state (ISO 3166-2 code BR-RS)
Science and technology
Computing
- .rs, the internet country code top-level domain for Republic of Serbia
- .rs, a filename extension for Rust (programming language) source code
- Recommended Standard (EIA), e.g. RS-232
- Record Separator, in the C0 control code
- Reed-Solomon error correction
Other uses in science and technology
- R/S classification in stereochemistry; (RS)- meaning racemate (if 1 chiral center present)
- Radio Science, an instrument aboard MESSENGER space probe
- Leaf stomatal resistance (rs)
- Remote sensing
- Resistant starch, starch and starch degradation products that escape from digestion in the small intestine of healthy individuals
- Risk and Safety Statements or "R/S statements", a system of hazard codes and phrases for labeling dangerous chemicals
- Roemheld syndrome, a complex of gastrocardiac symptoms
- A unique DbSNP record ID number (“rs#”; e.g. rs206437)
Vehicles
- Rally Sport, a designation applied to rallying cars
- Rennsport, German for "racing sport", a designation used for cars such as the Audi RS models and the Porsche 911 Carrera RS and GT3 RS
Other uses
- Report Short, a type of US Congressional Research Service Report
- Plural of rupee, Rs. or ₨