The Archdeacon of Sudbury is a senior cleric in the Diocese of St Edmundsbury and Ipswich.
The archdeacon is responsible for the disciplinary supervision of the clergy in its five rural deaneries; Clare, Ixworth, Lavenham, Sudbury and Thingoe.
This archdeaconry was separated from the original archdeaconry of Suffolk in 1127. Sudbury which comprised eight deaneries in 1256 and in 1911 had eleven. There were also three districts under peculiar jurisdiction of Canterbury and one under that of Rochester.
Originally in the Diocese of Norwich, the Sudbury archdeaconry was transferred by the Ecclesiastical Commissioners to the Diocese of Ely in 1837. It was then transferred a second time to the Diocese of St Edmundsbury and Ipswich in 1914. The current archdeacon is David Jenkins.