{{wiktionary}} '''SSSR''' may refer to:
*Smallest Set of Smallest Rings, a cheminformatics term for the minimal cycle basis of a molecular graph *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 a social scientific perspective on religious institutions and experiences * SSS-R, a model of the Nissan ''Bluebird'' compact car
==See also== * {{intitle|S.S.S.R.}} * {{intitle|SSSR}} * CCCP (disambiguation) * USSR (disambiguation)
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