Church of St Mary and All Saints, Chesterfield

Chesterfield Parish Church is an Anglican church dedicated to Saint Mary and All Saints, in Chesterfield, Derbyshire, England. Building of the church began in 1234 AD, though the present church dates predominantly from the 14th century. Designated a Grade I listed building in 1971, St Mary's is best known for its twisted and leaning spire (known as the Crooked Spire).

It is the largest parish church in the Diocese of Derby and forms part of the Archdeaconry of Chesterfield. In 1994, it also became the UK's only representative in the Association of the Twisted Spires of Europe; of the 72 member churches, it is deemed to have the greatest lean and twist.