The Central District of Dalgan County () is in Sistan and Baluchestan province, Iran. Its capital is the city of Galmurti.
After the 2006 National Census, Dalgan District was separated from Iranshahr County in the establishment of Dalgan County, which was divided into two districts and five rural districts, with Galmurti as its capital and only city at the time.
At the time of the 2011 census, the district's population was 38,741 people in 8,347 households. The 2016 census measured the population of the district as 42,362 inhabitants in 10,468 households.