Taghenkuh District () is in Firuzeh County, Razavi Khorasan province, Iran. Its capital is the city of Hemmatabad.
The village of Hemmatabad was converted to a city in 2008, and the village of Garmab became a city in 2021.
At the time of the 2006 National Census, the district's population (as a part of Nishapur County) was 22,562 in 5,662 households. The following census in 2011 counted 21,226 people in 6,087 households, by which time the district had been separated from the county in the establishment of Talkt-e Jolgeh County. The 2016 census measured the population of the district as 16,752 inhabitants in 5,302 households.