Đồng Xuân is a rural district (huyện) of Phú Yên province in the South Central Coast region of Vietnam.

As of 2003, the district had a population of 59,260.

[1] The district covers an area of 1,063 km2.

The district capital lies at La Hai.

This article about a location in Phú Yên province, Vietnam is a stub.