Sardar-e Jangal Rural District () is in Sardar-e Jangal District of Fuman County, Gilan province, Iran. It is administered from the city of Maklavan.
At the time of the 2006 National Census, the rural district's population was 10,311 in 2,739 households. There were 9,450 inhabitants in 2,883 households at the following census of 2011. The 2016 census measured the population of the rural district as 6,781 in 2,318 households. The most populous of its 52 villages was Zideh-ye Pain, with 876 people.