Siyavashan Rural District (Persian: دهستان سياوشان) is in the Central District of Ashtian County, Markazi province, Iran.

[4] At the time of the 2006 National Census, the rural district's population was 2,610 in 826 households.

[6] The 2016 census measured the population of the rural district as 1,849 in 722 households.

The most populous of its 14 villages was Siyavashan, with 686 people.

This Ashtian County location article is a stub.