Devil's Dyke may refer to:
Devil's Dykes, a series of Roman fortifications between Hungary and Serbia Devil's Dyke, Cambridgeshire, an earthen barrier in eastern Cambridgeshire Devil's Dyke, Hertfordshire, a prehistoric defensive ditch in Hertfordshire Devil's Dyke, Sussex, a valley on the South Downs Way
See also: Deil's Dyke, earthwork in Scotland