Blythburgh Priory was a medieval monastic house of Augustinian canons, dedicated to the Blessed Virgin Mary, located in the village of Blythburgh in Suffolk, England. Founded in the early 12th century, it was among the first Augustinian houses in England and began as a cell of St Osyth's Priory in Essex. Although it acquired a conventual life of its own, its community was always small and in some respects maintained dependency upon the parent house. It was earmarked for closure by Cardinal Wolsey during the late 1520s but survived his fall and continued until dissolution in 1536.

The Holy Trinity Church is the parish church of the village of Blythburgh in the East Suffolk district, in the county of Suffolk, England. It is part of the Church of England Halesworth deanery in the Diocese of St Edmundsbury and Ipswich, and has been listed Grade I on the National Heritage List for England since December 1966.