Chah Mejeng () is a village in Doruneh Rural District of Anabad District in Bardaskan County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 128 in 32 households. The following census in 2011 counted 188 people in 52 households. The 2016 census measured the population of the village as 150 people in 42 households.