Long Mỹ is a rural district of Hậu Giang province in the Mekong Delta region of Vietnam.

[1] The district covers an area of 259.92 km2.

The district capital lies at Vĩnh Viễn town.

The district is divided into 1 township and 7 rural communes, including:

This article about a location in Hậu Giang Province, Vietnam is a stub.