Dalgan County (Persian: شهرستان دَلگان) is a county in Sistan and Baluchestan province, Iran. The county seat is Galmurti. It was separated from Iranshahr County in 2007. At the 2006 census, the county's population was 52,419, in 9,894 families. The county is subdivided into two districts: the Central District and Jolgeh-ye Chah Hashem District. The county has one city: Galmurti.