Mianabad () is a village in Kharqan Rural District of Bastam District in Shahrud County, Semnan province, Iran.
At the time of the 2006 National Census, the village's population was 539 in 143 households. The following census in 2011 counted 489 people in 144 households. The 2016 census measured the population of the village as 574 people in 186 households.