Avaz () is a village in Gazik Rural District of Gazik District, Darmian County, South Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 1,760 in 404 households. The following census in 2011 counted 1,934 people in 509 households. The 2016 census measured the population of the village as 1,696 people in 457 households. It was the most populous village in its rural district.