SDS

Organizations

• Samsung SDS, a subsidiary of the Samsung Group, formerly Samsung Data Systems
• Scientific Data Systems, a 1960s computer manufacturer later bought by Xerox
• Serbian State Guard (Srpska Državna Straža), forces that were used to complement the civil police in Serbia from 1942 to 1944
• Siberian Business Union, a Russian holding company
• Society of the Divine Savior, a Catholic order founded in 1881
• Social and Decision Sciences, a department within Carnegie Mellon University
• Spartanburg Day School, a private K-12 school in Spartanburg, South Carolina
• Special Demonstration Squad, a branch of Greater London's Metropolitan Police Service

Politics

• Sayuz na Demokratichnite Sili, a political party in Bulgaria, founded in 1989 in opposition to the communist government
• Slovenska demokratska stranka, a Slovenian center-right liberal conservative party, formerly the Social Democratic Party of Slovenia
• Sozialistischer Deutscher Studentenbund, an organisation in the Außerparlamentarische Opposition in West Germany in the 1960s
• Serbian Democratic Party (disambiguation), several political parties in parts of former Yugoslavia
  • Serb Democratic Party (Bosnia and Herzegovina)
  • Serb Democratic Party (Croatia)
  • Serbian Democratic Party (Serbia)
• Students for a Democratic Society, a student activist movement in the United States in the 1960s
• Students for a Democratic Society (2006 organization), a United States student organization representing left wing beliefs
• Society for Disability Studies, a transnational academic network of disability studies practitioners

Science and medicine

• Safety data sheet or material safety data sheet, a form with data regarding the properties of a particular substance
• Sodium dodecyl sulfate or sodium lauryl sulfate, an anionic surfactant used in many cleaning and hygiene products
  • SDS-PAGE, a protein separation technique that uses sodium dodecyl sulfate
• Shwachman–Diamond syndrome, a rare genetic disorder chiefly affecting the blood and pancreas
• Spoken dialog system, a dialog system delivered through voice
• Systematic Desensitisation Therapy, A behavioral technique commonly used to treat fear, anxiety disorders and phobias.

Technology

• Satellite Data System, a system of United States military communications satellites
• Service Development Studio, a tool for creating IP Multimedia Subsystem (IMS) applications
• Short data services, a service of Terrestrial Trunked Radio two-way radios similar to SMS text messages
• Software Defined Silicon, computer chip technology created by XMOS of Bristol, UK
• Software-defined storage, a software architecture for software defined data centers.
• Special Direct System, a drill bit fixing system
• Sun Java System Directory Server, nicknamed Sun Directory Server, an LDAP server from Sun

Other

• Sexual Diversity Studies, a cross-disciplinary research area
• Self-Directed Search, a career interest test
• Sened language, by ISO 639-3 language code
• Seven deadly sins, a classification of objectionable vices
• Special Delivery Service, the fictional employer of Postman Pat in the British animated television series
• Zung Self-Rating Depression Scale, a psychological self-rating scale for depression
• SDS shank, a type of drill bit shank used in hammer drills
• Sudden death Syndrome, see Sudden unexpected nocturnal death Syndrome (SUNDS), also Sudden arrhythmic cardiac death Syndrome (SADS)