The Archdeacons in the Diocese of Chelmsford are senior ecclesiastical officers in the Church of England in Essex and East London. They currently include: the Archdeacon of West Ham, the Archdeacon of Colchester and the archdeacons of Chelmsford, of Harlow, of Barking, of Stansted and of Southend. Each one has responsibility over a geographical area within the diocese.

The Diocese of Chelmsford is a Church of England diocese, part of the Province of Canterbury. It was created on 23 January 1914 from part of the Diocese of St Albans. It covers Essex and part of East London. Since 1984 it is divided into three episcopal areas, each with its own area bishop. The diocese covers around 1,500 square miles (3,900 km2) with a population of more than 3 million. It has 463 parishes and 588 churches.