Davarzan District () is a former administrative division of Sabzevar County, Razavi Khorasan province, Iran. Its capital was the city of Davarzan.
In 2012, the district was separated from the county in the establishment of Davarzan County.
At the time of the 2006 National Census, the district's population was 22,406 in 6,763 households. The following census in 2011 counted 21,309 people in 7,154 households.