Rudasht District () is in Varzaneh County, Isfahan province, Iran. Its capital is the village of Kafran, whose population at the time of the 2016 National Census was 2,679 in 887 households.
In 2021, Bon Rud District was separated from Isfahan County in the establishment of Varzaneh County and renamed the Central District. The new county was divided into two districts of two rural districts each, with Varzaneh as its capital and only city at the time.