SSR

SSR may refer to:

Businesses, entertainment and products

 * Solid State Records, a Christian record label
 * Chevrolet SSR, a Chevrolet small truck
 * Disney's Saratoga Springs Resort & Spa
 * Small Screen Rendering, a technology part of Opera Mini
 * Sonic and the Secret Rings, a 2007 platform video game
 * Stephen's Sausage Roll, a 2016 puzzle video game
 * Sirius Satellite Radio, a satellite radio service operating in North America
 * Strategic Scientific Reserve, a fictional organization in Marvel Comics and precursor to the fictional organization S.H.I.E.L.D.
 * SSR Wheels, a Japanese wheel manufacturer

Geographical locations

 * Soviet Socialist Republic, see Republics of the Soviet Union
 * Slovak Soviet Republic (1919), a very short-lived communist state in south and eastern Slovakia
 * Slovak Socialist Republic, the official name of Slovakia from 1969 to 1990
 * Second Spanish Republic

Railways

 * Sabah State Railway, a railway in Malaysia
 * Southern Shorthaul Railroad, an Australian provider of motive power hauling trains in New South Wales and Victoria, and freight train operator
 * Southern Suburbs Railway, a New MetroRail project in Perth, Western Australia
 * Springfield Street Railway, a former interurban street railway in Springfield, Massachusetts
 * Strategic steam reserve, a collection of steam locomotives retained for use in a national emergency
 * Sub-surface Railways, cut-and-cover railway lines forming part of the London Underground; also called Sub-surface Lines

Science and technology

 * Scalable Sample Rate, used in MPEG-4 Part 3 and MPEG-2 Part 7
 * Scalable Source Routing, a routing algorithm for unstructured networks
 * Screen Space Reflections used in the computer graphics to compute approximate mirror reflections
 * Secondary surveillance radar, a radar system used in air traffic control
 * Simple Sequence Repeat, repeating sequences of 2-6 base pairs of DNA
 * Site-specific recombination, a type of genetic recombination in which DNA strand exchange takes place between segments possessing only a limited degree of sequence homology
 * Slope stability radar, the application for the monitoring of slope stability at open-cut mines
 * Solid-state relay, an electronic switching device in which a small control signal controls a larger load current or voltage
 * Sources, sinks and reservoirs, for greenhouse gases
 * Stable salt reactor, a proposed low-cost nuclear reactor design
 * Sum of squared residuals
 * Sum of squares due to regression
 * Server-side rendering, using a web server to deliver a customized HTML file for a user (client)
 * State-space representation, a particular type of a mathematical model of a physical system, used in control engineering and in satellite navigation

People

 * S. S. Rajamouli (born 1973), Indian film director
 * S. S. Rajendran (1928–2014), Indian actor
 * Sushant Singh Rajput (1986–2020), Indian actor
 * Singeetam Srinivasa Rao (born 1931), Indian film director

Other uses

 * Swiss Broadcasting Corporation (SRG SSR)
 * Sainik School, Rewa, a senior secondary school in India
 * Security sector reform, a process to amend a security sector towards good governance
 * The South Saskatchewan Regiment, a Canadian infantry regiment
 * Special Support and Reconnaissance Company, a Danish military unit
 * The Structure of Scientific Revolutions, a 1962 book by Thomas Kuhn
 * The obsolete United States Navy hull classification symbol for a diesel-electric radar picket submarine
 * Sustained silent reading, a form of school-based recreational reading
 * Self Supporting Run-flat tires, a type of run-flat tire
 * Svenska Scoutrådet, the national Scouting and Guiding federation of Sweden
 * In air travel passenger name records, a Special Service Request
 * Same-sex relationship
 * Short-sale restriction, a modified uptick rule instituted by the U.S. Securities and Exchange Commission (SEC) in 2010
 * Somali State Resistance, a rebel group in Ethiopia