Molla Sara Rural District (Persian: دهستان ملاسرا) is in the Central District of Shaft County, Gilan province, Iran. Its capital is the village of Molla Sara.

At the National Census of 2006, its population was 12,596 in 3,308 households. There were 11,630 inhabitants in 3,570 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 11,008 in 3,676 households. The most populous of its 17 villages was Kalashem-e Bala, with 1,732 people.