SDSS may refer to:
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Sloan Digital Sky Survey
The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope at Apache Point Observatory in New Mexico, United States. The project began in 2000 a ...
, a major multi-filter imaging and spectroscopic redshift survey
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Social Democratic Party of Slovakia
The Social Democratic Party of Slovakia ( sk, Sociálnodemokratická strana Slovenska, SDSS) was a centre-left political party in Slovakia. Its last chairman, since 1993, was , and its chairman in 1992 was Alexander Dubček.
Czechoslovakia (unti ...
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Spatial Decision Support System, a GIS based decision aiding system
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Independent Democratic Serb Party
The Independent Democratic Serb Party ( sh-Cyrl-Latn, Самостална демократска српска странка, Samostalna demokratska srpska stranka, SDSS) is a social-democratic political party in Croatia representing the interes ...
, a political party of Croatian Serbs (''Samostalna demokratska srpska stranka'' in Serbo-Croatian)
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South Delta Secondary School
South Delta Secondary (SDSS) is a public High school#Canada, high school in Tsawwassen, British Columbia, Canada. There are approximately 1,500 students enrolled in each grade 8 through 12 (as of 2019/2020). Graduation rates in the years 2005 to ...
, a school in Delta, British Columbia, Canada
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