Razdab (Persian: رزداب)[a] is a village in Salami Rural District of Salami District, Khaf County, Razavi Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 1,576 in 338 households.

[5] The 2016 census measured the population of the village as 1,880 people in 434 households.

It was the most populous village in its rural district.

This Khaf County location article is a stub.