Emamzadeh-ye Hoseyn Asghar () is a village in Barzanun Rural District of Sarvelayat District in Nishapur County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 51 in seven households. The village did not appear in the following census of 2011. The 2016 census measured the population of the village as zero.