The Union of Slavic Communities of the Slavic Native Belief (acronym: USC SNB; Russian: Союз Славянских Общин Славянской Родной Веры, Russian acronym: ССО СРВ) is one of the largest Russian organisations of Slavic Native Faith (Rodnovery) groups, established in 1997, and officially recognised by the government in 2014 (becoming the first Rodnover organisation to be recognised by the Russian government).