DSS

Science and technology

Dejerine Sottas syndrome, genetic disorder a.k.a. Charcot-Marie-Tooth disease, type 3
Dengue shock syndrome
Disease-specific survival
Dextran sulphate sodium, a chemical used experimentally to induce colitis in rodents
Dioctyl sodium sulfosuccinate, a lubricant, laxative, and pesticide
Dimethyl-silapentane-sulfonate, chemical compound used in spectroscopy for calibration
Disuccinimidyl suberate, a biochemical tool used as protein cross-linking agent

Deep Space Station, an antenna station in any of Deep Space Communication Complexes, part of the Deep Space Network.
Digital Satellite Service, digital satellite television transmission system used by DirecTV
Digitized Sky Survey, a digital version of several photographic atlases of the night sky
Direct-Sequence Spreading, another term for direct-sequence spread spectrum
Drahtseilbahn Schwyz–Stoos, funicular railway in Switzerland
Dynamic Spectrum Sharing, at technique for the coexistence of 4G and 5G mobile standards.

Darwin Streaming Server, the open source equivalent of QuickTime Streaming Server
Decision support system, information system that supports business or organizational decision-making activities
Digital Signature Services, OASIS standard XML-based request/response protocols
Digital Signature Standard, which uses the Digital Signature Algorithm
Digital Speech Standard, a format of audio file
Digital Subscriber System ISDN, signalling standards:
- Digital Subscriber System No. 1, a digital signalling protocol (D channel protocol) used for the ISDN
- Digital Subscriber System No. 2, as the successor to DSS1, is also a digital signalling protocol (D channel protocol) used for the B-ISDN

Defense Security Service, an agency in the U.S. Department of Defense
Department of Social Services, another name for Child Protective Services, a government agency in several states
Diplomatic Security Service, an agency in the U.S. Department of State
Director of Selective Service of the Selective Service System, as in the widely used "Draft Card" in the U.S. during World War II, officially known as DSS Form 1 Registration Card
Domestic Security Section, part of the Criminal Division of the U.S. Department of Justice

Directorate of State Security (Drejtoria e Sigurimit të Shtetit), Albanian domestic security agency during the Hoxha and Alia dictatorship (1944-1991); dissolved in 1991
Department of Social Security (Australia), defunct governmental agency in Australia
Department of Social Services (Australia), a national government department in Australia
Department of Social Security (United Kingdom), defunct governmental agency in the United Kingdom
Demokratska Srpska stranka (Democratic Serb Party), a political party in Montenegro
Democratic Party of Serbia (Demokratska stranka Srbije), a political party in Serbia
United Nations Department for Safety and Security, a department of the UN dealing with the security and safety of its staff
Department of State Services, Nigeria, formerly known as State Security Service (SSS), the domestic intelligence agency of Nigeria
Department of State Security (Romania) known as Departamentul Securității Statului or Securitate (informally), secret police and the main repressive force in communist Romania.

The Dance School of Scotland, a dance school in Glasgow, Scotland - incorporated with Knightswood Secondary School
Dansk Spejderkorps Sydslesvig, a Scout association of the Danish minority of Southern Schleswig, Germany
Delta Secondary School (Delta, British Columbia), a school in Canada
Dera Sacha Sauda, a non-profit social welfare and spiritual organization
Direct Subsidy Scheme, a schooling system in Hong Kong

Dead Sea Scrolls, ancient manuscripts discovered in caves on the shore of the Dead Sea
Blaise Diagne International Airport, Diass, Senegal, by IATA code
Design for Six Sigma (also abbreviated DFSS), a business management method
Dizionario Storico della Svizzera, the Historical Dictionary of Switzerland (Italian)
Duplex Stainless Steel, a steel with improved resistance to localized corrosion
Demographic surveillance system - Periodic data collection system of a geographic area