The diocese of Thai Binh () is a Roman Catholic diocese in northern Vietnam. The bishop is Dominic Đặng Văn Cầu, since 2022, succeeding Bishop Pierre Nguyễn Văn Đệ.

The creation of the diocese in its present form was declared on November 24, 1960.

The diocese covers an area of 2,200 km2, and is a suffragan diocese of the Archdiocese of Hanoi.

By 2004, the diocese of Thai Binh had about 116,399 believers (4.1% of the population), 42 priests, and 64 parishes.Catholic Hierarchy Directory

Sacred Heart Cathedral in Thái Bình town has been assigned as the Cathedral of the diocese.GCatholic.org

In May 2008, the authorities returned the two-building compound My Duc seminary, built in 1936, to the diocese. The seminary, which now bears the name of the Sacred Heart, provides education for 33 Roman Catholic students."After 31 years Thai Binh seminary to reopen", Asia News, July 2008.

Ordinaries Vicars Apostolic of Thái Bính (1936-1960) Vicar apostolicPeriod in officeStatusReference1Bishop Juan Casado Obispo, O.P.March 9, 1936 – January 19, 1941Died in office2Bishop Santos Ubierna, O.P.February 24, 1942 – April 15, 19553Bishop Dominique Ðinh Ðức TrụMarch 5, 1960 – November 24, 1960Remained as bishop of Thái Bính

Bishops of Thái Bính (1960-present) BishopCoat of ArmsPeriod in officeStatusReference1Bishop Dominique Ðinh Ðức TrụNovember 24, 1960 – June 7, 1987Died in office2Bishop Joseph-Marie Ðinh BỉnhJune 7, 1987 – March 14, 19893Bishop François Xavier Nguyễn Văn SangDecember 3, 1990 – July 25, 2009Resigned4Bishop Pierre Nguyễn Văn Đệ, S.D.B.July 25, 2009 – October 29, 20225Bishop Dominic Đặng Văn CầuOctober 29, 2022 – presentCurrent bishop

Coadjutor Bishop of Thái Bính (1979-1982) Coadjutor BishopPeriod in officeReference1Bishop Joseph-Marie Ðinh BỉnhOctober 30, 1979 – June 7, 1982

References