Deacon John

Deacon John may refer to:


 * Deacon John Moore, New Orleans guitarist and bandleader
 * Deacon John Buffington House, historic house in Swansea, Massachusetts
 * Deacon John Moore House, historic house in Windsor, Connecticut
 * Deacon John Symmes House, historic house in Winchester, Massachusetts
 * Deacon John Troyer (1753–1842), religious figure in the Long Point, Ontario region
 * John Adams Sr. (1691–1761), father of second US president, John Adams
 * John Deacon, the bassist for the band Queen (credited as Deacon John on its debut album)