Taybad County () is in Razavi Khorasan province, Iran. Its capital is the city of Taybad.
In 2010, Bakharz District was separated from the county in the establishment of Bakharz County.
At the time of the 2006 National Census, the county's population was 143,205, in 31,291 households. The following census in 2011 counted 108,424 people in 26,673 households. The 2016 census measured the population of the county as 117,564 in 30,718 households.
Taybad County's population history and administrative structure over three consecutive censuses are shown in the following table.