Chubar Rural District (Persian: دهستان چوبر) is in Ahmadsargurab District of Shaft County, Gilan province, Iran. Its capital is the village of Chubar.

At the National Census of 2006, its population was 12,845 in 3,417 households. There were 10,733 inhabitants in 3,305 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 10,053 in 3,548 households. The most populous of its 35 villages was Chubar, with 1,069 people.