Riyakhun (, also Romanized as RëyÃÂkhà «n and RëÃÂkhà «n; also known as RëÃÂkhÃÂn) is a village in Zazeran Rural District, in the Central District of Falavarjan County, Isfahan Province, Iran. At the 2006 census, its population was 1,482, in 379 families.