Higashiyatsushiro (東八代郡 Higashiyatsushiro-gun?) was a district located in Yamanashi Prefecture, Japan.
As of March 2006, the district has an estimated population of 513. The total area is 37.15 km².
On the day before the district dissolved (July 31, 2006), the district had only one village left:
On August 1, 2006, the village of Ashigawa was merged into the expanded city of Fuefuki. Therefore, Higashiyatsushiro District was dissolved as a result of this merger.