Althorne is a village and civil parish in Essex, England. It is located 21 km (13 mi) east-southeast from the county town and city of Chelmsford. The village is in the district of Maldon district and in the parliamentary constituency of Maldon & East Chelmsford. The village has its own Parish Council.

Maldon District is a local government district in Essex, England. The district is managed by Maldon District Council, which is based in Maldon, the largest town in the district. The district also includes the town of Burnham-on-Crouch and numerous villages, including Heybridge, Wickham Bishops, Southminster, Tolleshunt D'Arcy and Tollesbury. The district covers the Dengie peninsula to the south of Maldon and the Thurstable Hundred area to the north of the Blackwater Estuary, a total area of 358.78 km2.