Barrow Hill is a hamlet in Essex, England. It is located on Mersea Island, approximately 2 km (1.2 mi) north-northeast of West Mersea near to where the Strood causeway meets the island. The hamlet is 33 km (21 mi) east-northeast of the county town, Chelmsford. Barrow Hill is in the borough of Colchester and in the parliamentary constituency of North Essex. The population of the hamlet is included in the civil parish of West Mersea.
It takes its name from a conspicuous Romano-British barrow.