Hajjiabad () is a village in Mir Shams ol Din Rural District of the Central District in Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 1,810 in 508 households. The following census in 2011 counted 1,836 people in 559 households. The 2016 census measured the population of the village as 1,614 people in 523 households.