SSSR

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