Qaleh Juq Rural District () is in Anguran District of Mahneshan County, Zanjan province, Iran. Its capital is the village of Suntu.
At the time of the 2006 National Census, the rural district's population was 5,795 in 1,288 households. There were 4,997 inhabitants in 1,542 households at the following census of 2011. The 2016 census measured the population of the rural district as 4,496 in 1,437 households. The most populous of its 32 villages was Duzkand, with 556 people.