Minh Long ( listen) is a district (huyện) of Quảng Ngãi Province in the South Central Coast region of Vietnam.
As of 2003 the district had a population of 14,634. The district covers an area of 216 km². The district capital lies at Long Hiệp.
Coordinates: 14°55′01″N 108°37′01″E / 14.917°N 108.617°E