Gazik District (Persian: بخش گزیک‎) is a district (bakhsh) in Darmian County, South Khorasan Province, Iran. At the 2006 census, its population was 15,089, in 3,381 families. The District has two cities: Gazik & Tabas-e Masina. The District has two rural districts (dehestan): Gazik Rural District and Tabas-e Masina Rural District.