SSS

• SSS islands, part of the Netherlands Antilles
• Sheerness-on-Sea railway station, Kent, England, National Rail station code
• Siassi's airport IATA code
• Southern Cross railway station (formerly Spencer Street), Melbourne, Australia, code

• Sisters of Social Service, a Catholic religious institute founded in Hungary
• Societas Sanctissimi Sacramenti, the Congregation of the Blessed Sacrament
• Sovran Self Storage, US, NYSE SSS
• SSS Defence, an Indian firm
• Triple-S Management Corporation

• Serangoon Secondary School, a secondary school in Hougang, Singapore
• Sheffield Scientific School, formerly separate school of science and engineering at Yale College, Connecticut, until 1956
• Singapore Sports School, a specialised independent school in Woodlands, Singapore
• Smithers Secondary School, British Columbia, Canada
• Smithfield-Selma School, North Carolina, US
• Socialist Sunday School or Socialist School of Science, UK and US

• Shamir's Secret Sharing, an algorithm for dividing a secret into multiple pieces
• Single-serving site, a website composed of one page that serves one purpose
• Solid-state storage
• Substructure search, a method to retrieve from a database chemicals matching a given pattern of atoms and bonds
• Subsurface scattering, a mechanism of light transport in 3D graphics
• Super Scalable System, Cray-3/SSS massively parallel supercomputer project
• SSS*, a state-space search algorithm

• SSS (Three-Speed), character in the anime series MADLAX
• Sport Searching School, the fictional school from Sport Ranger

• Scotopic sensitivity syndrome, alternate term for Irlen syndrome, a visual disorder
• Sensation Seeking Scale, a psychological measurement
• Sick sinus syndrome, an abnormality of heart rhythm
• Subclavian steal syndrome, a medical condition arising from reversed blood flow
• Superior sagittal sinus, an anatomical structure in the skull which drains cerebrospinal fluid and venous blood

• SSS International, a record label founded by Shelby Sumpter Singleton
• Sigue Sigue Sputnik, a British new wave band
• Short Sharp Shock (band), a crossover thrash band from Liverpool, UK
• SunSet Swish, a Japanese pop rock band
• Sisyphus (hip hop group), an American hip hop group formerly known as S / S / S
• Super Star Supporters, a fan club for SS501
• Solid State Survivor, a 1979 album by Yellow Magic Orchestra
• SweetSexySavage, a 2017 album by Kehlani
• "SSS", a song by The Avett Brothers from Mignonette
• "SSS", a song by Trickbaby from Hanging Around
• tripleS (or Social Sonyo Seoul), a 24-member K-pop girl group under MODHAUS

• Sea surface salinity
• Sign Systems Studies, journal of semiotics
• Super Soft Source or Super soft X-ray source
• Omega baryon (Ω⁻), with a quark content of sss
• Side-side-side, solution of triangles with 3 sides known
• Siding Spring Survey in astronomy
• similia similibus solventur – a general rule in chemistry meaning "like dissolves like"

• Súper Sábado Sensacional, Venezuelan TV programme
• Super Special Stage in motor rallying
• Swedish Swing Society, a Swedish dance club
• Standard Scratch Score, a golf handicapping system
• SSS, the production code for the 1973 Doctor Who serial Planet of the Daleks
• Daniel Sturridge, Luis Suárez, and Raheem Sterling, Liverpool F.C.'s front three in the 2013–14 season
• Scarborough Shooting Stars, a professional basketball team in the Canadian Elite Basketball League
• Soccer-specific stadium, a sports stadium purpose-built for soccer

• Selective Service System, the United States' military conscription program
• Social security system
• Social Security System (Philippines)
• State Security Service, Nigerian domestic intelligence agency
• Svensk Socialistisk Samling, Swedish Socialist Unity, former Swedish Nazi party

• Sign Supported Speech, a combination of sign language and English speech
• Sutton's Sign Symbol Sequence, now the International Movement Writing Alphabet, symbols to record movement

• SATS Security Services at Singapore Changi Airport
• Senior Staff Sergeant, a rank in the Singapore Police Force
• Super SteadyShot, Sony image stabilization system
• Sonic Speed Simulator, a Roblox video game

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