Pishanbur (Persian: پيشنبور) is a village in Kelardasht-e Gharbi Rural District of the Central District of Kelardasht County, Mazandaran province, Iran.

At the 2006 National Census, its population was 1,406 in 354 households, when it was in the former Kelardasht Rural District of the former Kelardasht District of Chalus County. The following census in 2011 counted 1,451 people in 434 households, by which time the village had been transferred to the newly established Kelardasht-e Gharbi Rural District. The latest census in 2016 showed a population of 1,849 people in 610 households, when the rural district had become part of the newly established Kelardasht County. It was the most populous village in its rural district.