Hoseyn-e Aqa Beyk () is a village in Gol Banu Rural District of Pain Jam District in Torbat-e Jam County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 376 in 71 households. The following census in 2011 counted 328 people in 70 households. The 2016 census measured the population of the village as 332 people in 90 households.