Mohammadabad (Persian: محمداباد)[a] is a village in Tankaman-e Jonubi Rural District[b] of Tankaman District, Nazarabad County, Alborz province, Iran.

At the time of the 2006 National Census, the village's population was 448 in 115 households, when it was in Najmabad Rural District of Tankaman District, Tehran province.

[4] The 2016 census measured the population of the village as 781 people in 232 households, by which time the county had been separated from the province in the establishment of Alborz province.

[b] It was the most populous village in its rural district.

This Nazarabad County location article is a stub.