Marbin-e Vosta Rural District (Persian: دهستان ماربين وسطي)[3] is in the Central District of Khomeynishahr County, Isfahan province, Iran.

At the time of the 2006 National Census, the rural district's population was 1,272 in 350 households.

[8] The 2016 census measured the population of the rural district as 1,553 in 483 households.

The most populous of its five villages was Qaleh-ye Amiriyeh, with 1,510 people.

This Khomeyni Shahr County location article is a stub.