Hajji Mahmudlu () is a village in Kaghazkonan-e Markazi Rural District of Kaghazkonan District in Mianeh County, East Azerbaijan province, Iran.
At the time of the 2006 National Census, the village's population was below the reporting threshold. The following census in 2011 counted 15 people in five households. The 2016 census measured the population of the village as 131 people in 37 households.