Bazarjan Rural District (Persian: دهستان بازرجان) is in the Central District of Tafresh County, Markazi province, Iran. Its capital is the village of Bazarjan.

At the National Census of 2006, its population was 3,779 in 1,275 households. There were 3,540 inhabitants in 1,263 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 3,429 in 1,313 households. The most populous of its 47 villages was Kahak, with 292 people.