Khorsh Rostam (Persian: بخش خورش رستم) is a district (bakhsh) in Khalkhal County, Ardabil Province, Iran.
The District is located east of the Qizil Üzan river, in the Alborz (Elburz) mountain range
The District has one city: Hashatjin.
The District has two rural districts (dehestan): Khorsh Rostam-e Jonubi Rural District and Khorsh Rostam-e Shomali Rural District.
At the 2006 census, its population was 14,577, in 3,765 families.