Zivdar Rural District () is in the Central District of Mamulan County, Lorestan province, Iran. Its capital is the village of Bon Lar, whose population at the time of the 2016 National Census was 1,008 people in 277 households.
In 2023, Mamulan District was separated from Pol-e Dokhtar County in the establishment of Mamulan County and renamed the Central District. Zivdar Rural District was created in the district.