Landulph (Cornish: Lanndhylyk) is a hamlet and a rural civil parish in south-east Cornwall, England, United Kingdom. It is about 3 miles (5 km) north of Saltash in the St Germans Registration District. Settlements in the parish include the hamlet of Landulph and the bigger village of Cargreen which is on the bank of the River Tamar. The manor of Landulph belongs to the Duchy of Cornwall.