Quỳnh Phụ is a rural district of Thái Bình province in the Red River Delta region of Vietnam.

As of 2003, the district had a population of 247,793 .

[1] The district covers an area of 207 km².

The district capital lies at Quỳnh Côi.

This article about a location in Thái Binh Province, Vietnam is a stub.