St Mary the Virgin's Church is a redundant Anglican church in the village of Little Hormead, Hertfordshire, England. It is recorded in the National Heritage List for England as a designated Grade I listed building, and is under the care of the Churches Conservation Trust. The church is particularly noted for its preserved door, which is described as a "work of outstanding importance", as being a "rare and precious survival", with its "most lavish display of 12th-century ironwork".