Dadenjan Rural District (Persian: دهستان دادنجان) is in Meymand District of Firuzabad County, Fars province, Iran. Its capital is the village of Dadenjan.

At the National Census of 2006, its population was 2,234 in 490 households. There were 1,798 inhabitants in 461 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 1,534 in 463 households. The most populous of its 22 villages was Dadenjan, with 277 people.