Yên Thành is a rural district located in the Nghệ An province within the North Central Coast region of Vietnam. The district covers a total area of 549 km2 (212 sq mi) and serves as a significant administrative division in the province.
As of 2019, the population of the district was recorded at 302,500 residents. The administrative capital of the district is situated in the town of Yên Thành.