The Roman Catholic Diocese of Bongaigaon () is a diocese located in the city of Bongaigaon in the ecclesiastical province of Guwahati in India.
History 10 May 2000: Established as Diocese of Bongaigaon from the Metropolitan Archdiocese of Guwahati
Leadership Bishops of Bongaigaon (Latin Rite) Bishop Thomas Pulloppillil (10 May 2000 – present)
References GCatholic.org Catholic Hierarchy