Sudbourne is a village and civil parish in Suffolk, England, located approximately 2 miles north of Orford. All Saints' Church dates from the 14th century but was much restored in 1879. It is a grade II* listed building. Between 964 and 975 King Edgar and his wife Ælfthryth granted Bishop Æthelwold of Winchester an estate at Sudbourne on condition that he translated the Rule of Saint Benedict from Latin into Old English.