Hidaka District (日高郡 Hidaka-gun?) is a district located in Wakayama Prefecture, Japan.
As of September 1, 2008, the district has an estimated Population of 56,219 and a Density of 85.8 persons/km². The total area is 655.49 km².
Coordinates: 33°53′49″N 135°20′10″E / 33.897°N 135.336°E