Alqchin Rural District (Persian: دهستان الغچين) is in the Central District of Charam County, Kohgiluyeh and Boyer-Ahmad province, Iran. Its capital is the village of Alqchin-e Olya.

At the National Census of 2006, its population (as a part of the former Charam District of Kohgiluyeh County) was 5,775 in 1,105 households. There were 5,501 inhabitants in 1,330 households at the following census of 2011, by which time the district had separated from the county in the establishment of Charam County. At the most recent census of 2016, the population of the rural district was 5,215 in 1,442 households. The most populous of its 18 villages was Bardian, with 1,751 people.