SRS

SRS may stand for:

In "science":
* Synchrotron Radiation Source, Daresbury Laboratory - a facility that uses synchrotron radiation for research purposes
* Simple random sampling - a sampling method in which a group of subjects is chosen from a larger group randomly and entirely by chance, such that each subject has the same probability of being chosen at any stage during the sampling process
* Stimulated Raman Scattering - the inelastic scattering of photons
* Spontaneous Raman Spectroscopy - a technique which investigates the inelastic scattering of monochromatic light by matter to study vibrational, rotational, and other low-frequency modes
* Shock response spectrum - a graphical representation of the peak transient response of a single degree of freedom (SDOF) oscillator as a function of the natural frequency of the oscillator
* Sex reassignment surgery - a term for the surgical procedures by which a person's physical appearance and the function of their existing sexual characteristics are changed to that of the other sex
* Savannah River Site - the site in South Carolina that is a nuclear materials processing center managed by Washington Savannah River Company for the Department of Energy
*Slow Reactive Substance (of anaphylaxis)- a leukotriene released by mast cells, eosinophils and other leukocytes during inflammation. Has many of the same effects as histimine, but is of longer duration.
* Somatostatin receptor scintigraphy

In "software":
* Sequence Retrieval System - a software program by LION bioscience AG designed to integrate, analyze and display bioinformatic, genomic and related data
* Sender Rewriting Scheme - a mechanism for rewriting e-mail sender addresses into a format compliant with Sender Policy Framework, a mechanism that identifies and rejects e-mail sent from forged addresses
* Software Requirements Specification - a complete description of the behavior of a software system to be developed
* System Requirements Specification - a planning document that lists the requirements a system that will be developed
* Street Racing Syndicate - a video game featuring an underground racing scene in which the player's main objective is to gain the respect and affection of various females
* Spaced repetition software - a software that collects information about a student's retention of questions and answers, and gradually adapts the optimum intervals of time used between subsequent reviews of these questions.
* Shared registry system - a software collection that allows registrars to connect to a registry to register and maintain domain names and related objects.

In other "technology":
* Schedule Reference Service - a database-utilizing service that provides airline flight schedules and related data to the aviation industry
* SRS Labs Inc - a spinoff from the audio division of the Hughes Aircraft Company, dedicated to developing and licensing audio enhancement technologies
* Sound Retrieval System - a patented audio processing technology that creates an immersive 3D soundfield using only two speakers and is the flagship technology of SRS Labs Inc
* Stanford Research Systems - a test and measurement manufacturer that produces scientific and engineering instruments for a number of different fields primarily in the category of "signal recovery"
* Supplemental Restraint System - is a flexible membrane or envelope, commonly known as an airbag, that inflates using air or some other gas to cushion people or objects, particularly in the case of an automobile collision
* Sole Replacement System - a SIDI-brand cycling footwear design that involves replaceable sole components
* Spatial referencing systems - a coordinate-based local, regional or global system used to locate geographical entities
* Cirrus SR Sport - an aircraft, also known as the SRS, made by Cirrus Design

Other uses:
* Savannah River Site - a nuclear materials processing center in the US state of South Carolina, located on land adjacent to the Savannah River
* Sea Research Society, a non-profit research institution founded in 1972 devoted largely to the furtherance of education in diving and underwater archaeology
* Serbian Radical Party (Српска Радикална Странка, "Srpska Radikalna Stranka" in Serbian) - a nationalist political party in Serbia. It was formed in 1991
* Secretary of the Royal Society - the secretary of a UK-based organization that exists to promote the academic discipline in science
* Special Repair Service, a British construction organisation in World War II
* SRS Scientists - a gang in Grand Theft Auto 2
* Standard RPG System, a Japanese role-playing game system
* SRS is the ticker symbol of an exchange-traded fund for bear markets which performs as double the inverse of the Dow Jones U.S. Real Estate Index.
* Supplementary Retirement Scheme, a form of tax-deferred savings method used in Singapore
* Savez Radio-Amatera Srbije, an amateur radio organization in Serbia