Dizajrud-e Sharqi Rural District () is in Qaleh Chay District of Ajab Shir County, East Azerbaijan province, Iran. It is administered from the city of Javan Qaleh.
At the time of the 2006 National Census, the rural district's population was 8,914 in 1,993 households. There were 7,589 inhabitants in 2,155 households at the following census of 2011. The 2016 census measured the population of the rural district as 6,839 in 2,127 households. The most populous of its 14 villages was Chenar, with 1,277 people.