Vahed (Persian: واحد) is a village in, and the capital of, Kelardasht-e Gharbi Rural District of the Central District of Kelardasht County, Mazandaran province, Iran.

At the 2006 National Census, its population was 621 in 168 households, when it was in the former Kelardasht Rural District of the former Kelardasht District of Chalus County. The following census in 2011 counted 592 people in 182 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 742 people in 237 households, when the rural district had become part of the newly established Kelardasht County.