FRS

FRS may also refer to:

Government and politics

 * Facility registry system, a centrally managed Environmental Protection Agency database that identifies places of environmental interest in the United States
 * Family Resources Survey, a survey to collect information on the incomes and circumstances of households in Great Britain
 * Federal Reserve System, the central bank of the United States
 * Fire and Rescue Service, an organization that provides predominantly emergency firefighting services for a specific geographic area
 * Fisheries Research Services, a now-defunct agency of the Executive agencies of the Scottish Government
 * Forum of Social Republicans (French: Forum des républicains sociaux), now the Christian Democratic Party, a French political party

Science

 * Fellow of the Royal Society, an award and fellowship granted by the Royal Society of London to individuals the society judges to have made a "substantial contribution to the improvement of natural knowledge"
 * Filtered Rayleigh scattering, a diagnostic technique which measures velocity, temperature, and pressure
 * Forward recoil scattering, an ion beam analysis technique in materials science to obtain elemental concentration depth profiles in thin films
 * Fragment separator, an ion-optical device used to focus and separate products from the collision of relativistic ion beams with thin targets
 * Framingham Risk Score, a gender-specific algorithm used to estimate the 10-year cardiovascular risk of an individual.
 * Free radical scavenger, a synonym for antioxidant
 * Free radical substitution, a substitution reaction involving free radicals as a reactive intermediate

Technology

 * Family Radio Service, a personal radio service utilizing the ultra high frequency band
 * File Replication Service, a Microsoft Windows Server service for distributing shared files and Group Policy objects
 * Frame Relay Switch, a standardized wide area network technology that specifies the physical and data link layers of digital telecommunications channels using a packet switching methodology.
 * Freely redistributable software, software that anyone is free to redistribute
 * Functional requirement Specification, defines a function of a system or its components

Transportation

 * Ffestiniog Railway Society, a 1 ft 11 1⁄2 in (597 mm) narrow gauge heritage railway, located in Gwynedd, Wales
 * Flandre Air, (ICAO: FRS) was a French regional airline
 * Förde Reederei Seetouristik, a German shipping company
 * Forsinard railway station, in northern Scotland
 * Full-rigged ship, a sailing vessel's sail plan with three or more masts, all of them square-rigged
 * Mundo Maya International Airport, (IATA: FRS, formerly Flores International Airport) in Flores, Guatemala
 * Scion FR-S, an automobile

Other uses

 * Fixed Repeating Schedule, a production scheduling methodology
 * Fleet Replacement Squadron, a unit of the United States Navy and Marine Corps
 * Free Record Shop, a Dutch retailer
 * Frontier Regional School, in South Deerfield, Massachusetts, United States
 * Saterland Frisian, the last living dialect of the East Frisian language