SDS

• Samsung SDS, formerly Samsung Data Systems
• Scientific Data Systems, a 1960s computer manufacturer, later called Xerox Data Systems
• Siberian Business Union, a Russian holding company
• Seamless Distribution Systems, a Swedish software company

• Sayuz na Demokratichnite Sili (Union of Democratic Forces), a political party in Bulgaria
• Slovenska demokratska stranka (Slovenian Democratic Party), formerly the Social Democratic Party of Slovenia
• Sozialistischer Deutscher Studentenbund (Socialist German Student League), West Germany, 1960s
• Serb Democratic Party (Bosnia and Herzegovina)
• Serb Democratic Party (Croatia)
• Skills Development Scotland, a public body in Scotland
• Social Democratic Party (Serbia) (Socijaldemokratska stranka), a political party in Serbia
• Students for a Democratic Society, US, 1960
• Students for a Democratic Society (2006 organization), left-wing US student organization
• Society for Disability Studies

• Serbian State Guard (Srpska Državna Straža), 1942 to 1944
• Scottish Disability Sport; see Scottish Disability Sports Hall of Fame
• Society of the Divine Savior, a Catholic order founded in 1881
• Social and Decision Sciences (Carnegie Mellon University)
• Spartanburg Day School, Spartanburg, South Carolina, US
• Special Demonstration Squad, of the Metropolitan Police, London
• Studio Distribution Services, a subsidiary of Universal Pictures Home Entertainment

• Safety data sheet, on chemicals
• Sodium dodecyl sulfate, a synthetic organic compound
• SDS-PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis
• Shwachman–Diamond syndrome, a congenital disorder
• Sudden death syndrome, a soybean disease

• Satellite Data System, US military communications satellites
• Self Driving System, a technology kit required to convert a manual car into an autonomous car; see List of self-driving system suppliers
• Short data services, in Terrestrial Trunked Radio
• Slotted Drive Shaft, a special shank on a hammer drill bit; see {{slink|Rotary hammer|Special chuck}}
• Software-defined storage, a marketing term for data storage
• Special Direct System, a drill bit fixing system
• Spoken dialog systems, technology allowing machines to converse with humans based on human voice and language

• Self-Directed Search, a measure of vocational interest by John L. Holland
• Sened language (ISO 639-3 language code)
• Special Delivery Service, in the UK Postman Pat TV series
• "S.D.S." (song), by Mac Miller
• The Seven Deadly Sins (manga), Japanese manga and animated series
• SDS, sister station of SES (TV station)
• Sado Airport, Japan, IATA airport code

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