SSSR may refer to:
- Soyuz Sovetskikh Sotsialisticheskikh Respublik, the Latin alphabet transliteration of Союз Советских Социалистических Республик (CCCP), the Cyrillic name of the Soviet Union
- Society for the Scientific Study of Reading, a learned society promoting the study of reading and literacy
- Society for the Scientific Study of Religion, a learned society for social scientific perspective on religious institutions and experiences
- Smallest Set of Smallest Rings, a cheminformatics term for the minimal cycle basis of a molecular graph
|This disambiguation page lists articles associated with the title SSSR.
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