Sorkheh District (Persian: بخش سرخه) was a district (bakhsh) in Semnan County, Semnan Province, Iran. At the 2006 census, its population was 14,194, in 4,195 families. The District had one city: Sorkheh. The District had two rural districts (dehestan): Hafdar Rural District and Lasgerd Rural District. The District was replaced by Sorkheh County in 2012.