Rudbar-e Kharkhun (, also Romanized as Rà «dbÃÂr-e KhÃÂrkhà «n; also known as Rà «dbÃÂr) is a village in Garmab Rural District, Chahardangeh District, Sari County, Mazandaran Province, Iran. At the 2016 census, its population was 154, in 50 families. Down from 185 in 2006.