Dyke or dike may refer to:
General uses Dyke (slang), a slang word meaning "lesbian" Dike (geology), formations of magma or sediment that cut through and across the layering of adjacent rocks Dike (mythology), Dikē, the Greek goddess of moral justice Dikes, diagonal pliers, also called side-cutting pliers, a hand tool used by electricians and others Dyke (automobile company), established 1899
Structures Levee, a natural or artificial slope or wall to regulate water levels Ditch, a water-filled drainage trench A regional term for a dry stone wall
People Dyke (surname) Dyke baronets, a title in the Baronetage of England Dykes (surname), a British surname found particularly in northern England
Places Settlements Dike, Iowa, United States Dykes, Missouri, United States Dyke, Moray, Scotland Dike, Texas, United States Dyke, Virginia, United States Dyke, Lincolnshire, England Little Dyke, Nova Scotia, Canada
Earthworks Car Dyke, a Roman boundary ditch in Eastern England Devil's Dyke (disambiguation), one of several ancient embankments or ditches (or both) Foss Dyke, a Roman canal in England linking the River Trent to the River Witham at Lincoln Offa's Dyke, historic earthwork dividing Mercia and Wales Wansdyke, dividing Wessex from the lands southwest of it Wat's Dyke, an earthwork running through the northern Welsh Marches from Basingwerk Abbey to Maesbury
Geological features The Great Dyke, a mineral-rich feature that runs through Zimbabwe Mount Desire Dyke, an igneous intrusion in South Australia
See also Dyke and the Blazers, 1960s R&B group Van Dyke "D-Yikes!", an episode of South Park 99 Dike, an asteroid Winter dyke, another name for a clothes horse