Valiabad () is a village in Bala Khaf Rural District of Salami District in Khaf County, Razavi Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 914 in 198 households. The following census in 2011 counted 886 people in 242 households. The 2016 census measured the population of the village as 1,169 people in 332 households.