Manjilabad (Persian: منجيل اباد) is a village in, and the capital of, Manjilabad Rural District of the Central District of Robat Karim County, Tehran province, Iran.

At the 2006 National Census, its population was 3,062 in 817 households. The following census in 2011 counted 3,146 people in 929 households. The latest census in 2016 showed a population of 2,648 people in 834 households.