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, in computer graphics reflection
  • 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