Hidaka (日高郡, Hidaka-gun) is a newly created district located in Hidaka Subprefecture, Hokkaido, Japan.

As of October 31, 2006, the district has an estimated population of 27,150 and a density of 23.7 persons per km. The total area is 1,147.74 km.

• Shinhidaka - merger of the former towns of Mitsuishi (from the former Mitsuishi District) and Shizunai (from the former Shizunai District)

42°26′17″N 142°38′13″E / 42.438°N 142.637°E / 42.438; 142.637