Yazu (八頭郡 Yazu-gun?) is a district located in Tottori Prefecture, Japan.
As of 2003, the district has an estimated population of 48,540 and a density of 55.43 persons per km². The total area is 875.74 km².
Coordinates: 35°18′40″N 134°21′47″E / 35.311°N 134.363°E