Miyaki (三養基郡 Miyaki-gun) is a district located in Saga Prefecture, Japan.
In February 2009, the district had an estimated population of 54,233 and a density of 625 per km². The total area is 86.82 km².
Miyaki District consists of three former districts of Hizen Province: Kii, Mine and Yabu Districts.
Coordinates: 33°21′54″N 130°23′35″E / 33.36500°N 130.39306°E