SRS or SrS may stand for:

Organizations and companies

Companies

  • Sperry Rail Service, a rail inspection contractor
  • Stanford Research Systems, a test and measurement instruments manufacturer
  • SRS Cinemas, an Indian cinema chain
  • SRS Labs, an American audio technology engineering company

Academic organizations

  • Sea Ranger Service, a social enterprise managing ocean areas
  • Sea Research Society, for diving and underwater archaeology
  • Scoliosis Research Society
  • Society for Renaissance Studies, a UK-based academic society
  • Surveillance and Response Support, a unit of the European Centre for Disease Prevention and Control
  • Suffolk Records Society, in the UK

Political parties

  • Serbian Radical Party (Srpska radikalna stranka), a political party in Serbia
  • Special Repair Service, a British construction organization in World War II

Other

  • Savez Radio-Amatera Srbije, a Serbian amateur radio organization
  • Socialist Revolutionary Party, or "Essers", from the late Imperial and early Soviet periods
  • Southwick Regional School, a public high school in Massachusetts, United States
  • Spanish Riding School, an Austrian equestrian institution
  • Sri Ram Sena, an Indian militant Hindutva organization

Mathematics, science, and technology

Science

  • Shock response spectrum, a graphical representation of vibrations
  • Spontaneous Raman spectroscopy
  • Stimulated Raman spectroscopy, the inelastic scattering of photons
  • String rewriting system, in computer science and mathematical logic
  • Strontium sulfide (SrS), an inorganic compound
  • Synchrotron Radiation Source, an X-ray facility in Cheshire, England

Medicine

  • Sex reassignment surgery, also called gender-affirming surgery
  • Silver–Russell syndrome, a growth disorder
  • Slipping rib syndrome, a painful condition affecting the ribs
  • Slow-reacting substance of anaphylaxis, a type of secretion
  • Social Responsiveness Scale, a measure of autistic traits
  • Somatostatin receptor scintigraphy, used to find carcinoid and other types of tumors
  • Snyder–Robinson syndrome, a genetic disorder
  • Spontaneous reporting system, a reporting system for drug adverse reactions
  • Stereotactic radiosurgery

Mathematics

  • Simple random sample, a method of sampling in statistics
  • Stratified random sample, a related method of sampling

Software

  • Sender Rewriting Scheme, an email mechanism
  • Sequence Retrieval System, bioinformatic software by LION Bioscience AG
  • Software requirements specification, a document of a software system to be developed
  • Street Racing Syndicate, a video game
  • Spaced repetition software, a learning tool

Technology

  • Cirrus SRS, a light-sport aircraft
  • Sound Retrieval System, an audio processing technology
  • Space research service, a radiocommunication service using spacecraft or other objects in space
  • Spatial reference system, used to locate geographical entities by coordinate
  • Supplemental restraint system, a type of automobile airbag

Other uses

  • Sample Registration System, Indian demographic survey
  • Savannah River Site, a US Department of Energy nuclear facility
  • Selhurst railway station, London, England, National Rail station code
  • Social Reporting Standard, a method of reporting business responsibility
  • Stealth Recon Scout, a sniper rifle made by Desert Tech
  • Standard RPG System, a Japanese role-playing game system
  • SRS (sailing), a handicapping system
  • 1st Strategic Reconnaissance Squadron, in the US Air Force
  • Security Response Section, a unit of South Australia Police