Thuận Thành is a district-level town of Bắc Ninh province in the Red River Delta region of Vietnam. As of 2022 the town had a population of 199,577. The district covers an area of 117.83 km². The town seat lies at Hồ.

Bắc Ninh is a province of Vietnam, located in the Red River Delta of the northern part of the country. It is the smallest province of Vietnam by area and is situated to the east of the nation's capital, Hanoi, and borders Bắc Giang province, Hưng Yên province, Hải Dương province and Hanoi.