Kamazan-e Vosta Rural District (Persian: دهستان كمازان وسطي) is in Zand District of Malayer County, Hamadan province, Iran.

[4] At the time of the 2006 National Census, the rural district's population was 4,163 in 1,083 households.

[6] The 2016 census measured the population of the rural district as 2,658 in 902 households.

The most populous of its 12 villages was Piruz, with 821 people.

This Malayer County location article is a stub.