Archdeacon (oculus episcopi) is an ecclesiastical below directly below bishop who may be assigned an archdeaconry in many Christian Churches.

Archdeacon may also refer to:

• The Archdeacon, an 1899 novel by Lucy Bethia Walford
• The Archdeacon, a minor character in the 1996 Disney film The Hunchback of Notre Dame

• Archdeacon Meadow, cricket ground in Gloucester, England, UK

• Dan Archdeacon (1954–2015), American mathematician
• Ernest Archdeacon (1863–1950), French lawyer of Irish descent
• Mark Archdeacon (born 1989), Scottish football striker
• Maurice Archdeacon (1898–1954), American baseball center-fielder who played for the Chicago White Sox
• Owen Archdeacon (born 1966), Scottish football left-winger

• Deacon (disambiguation)