Hajji Yar () is a village in Pain Velayat Rural District of the Central District in Torbat-e Heydarieh County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 540 in 129 households. The following census in 2011 counted 817 people in 232 households. The 2016 census recorded a population of the village as 1,117 people in 325 households.