Nalus District (Persian: بخش نالوس) is a district (bakhsh) in Oshnavieh County, West Azerbaijan Province, Iran. At the 2006 census, its population was 15,316, in 2,735 families. The District has one city: Nalus. The District has two rural districts (dehestan): Haq Rural District and Oshnavieh-ye Jonubi Rural District.