Qazaqi () is a village in Milanlu Rural District of the Central District in Esfarayen County, North Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 329 in 68 households. The following census in 2011 counted 306 people in 81 households. The 2016 census measured the population of the village as 249 people in 72 households.