Ashiyan-e Shomali Rural District (), formerly Ashiyan Rural District, is in Fuladshahr District of Lenjan County, Isfahan province, Iran.
At the National Census of 2006, its population (as Ashyan Rural District) was 4,576 in 1,245 households. There were 5,790 inhabitants in 1,622 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 4,812 in 1,367 households. The largest of its 18 villages was the Isfahan Defense Industries Complex (), with 2,453 people.
In July 2013, Ashyan Rural District was renamed Ashiyan-e Shomali Rural District and became a part of the new Fuladshahr District. Parts of the former rural district were transferred to the new Ashiyan-e Jonubi Rural District of the Central District.