Derbyshire is a county in the East Midlands of England. The ceremonial county of Derbyshire includes the unitary authority of the city of Derby. This is a complete list of the Grade I listed churches and chapels in the ceremonial county as recorded in the National Heritage List for England. Buildings are listed by the Secretary of State for Culture, Media and Sport on the recommendation of Historic England. Grade I listed buildings are defined as being of "exceptional interest, sometimes considered to be internationally important"; only 2.5 per cent of listed buildings are included in this grade.

St Wystan's Church is a Church of England parish church in Repton, Derbyshire, that is famous for its Anglo-Saxon crypt which is the burial place of two Mercian kings. The church is recorded in the National Heritage List for England as a Grade I listed building, and is dedicated to the Anglo-Saxon Saint Wystan, who was formerly buried within the church's crypt.