Duyên Hải district
Duyên Hải district 
    Huyện Duyên Hải  | |
|---|---|
| Country | Vietnam | 
| Region | Mekong Delta | 
| Province | Trà Vinh | 
| Capital | Long Thành | 
| Area | |
 • Total  | 116.01 sq mi (300.47 km2) | 
| Population  (2018)  | |
 • Total  | 84,925 | 
| Time zone | UTC+7 (UTC + 7) | 
Duyên Hải is a rural district (huyện) of Trà Vinh province in the Mekong Delta region of Vietnam. As of 2015 the district had a population of 82,393. The district covers an area of 300.47 km². The district capital lies at Long Thành town. The town of Duyên Hải was separated from the district in 2015.