The Central District of Sabzevar County () is in Razavi Khorasan province, Iran. Its capital is the city of Sabzevar.
At the time of the 2006 National Census, the district's population was 233,744 in 64,532 households. The following census in 2011 counted 256,869 people in 78,524 households. The 2016 census measured the population of the district as 268,642 inhabitants in 83,112 households.