Kelardasht District (Persian: بخش کلاردشت‎) is a district (bakhsh) in Chalus County, Mazandaran Province, Iran. At the 2006 census, its population was 36,458, in 10,092 families. The District has two cities: Kelardasht and Marzanabad. The District has three rural districts (dehestan): Birun Bashm Rural District, Kelardasht Rural District, and Kuhestan Rural District. Kelardasht correspond to historical Kelarestaq.