Mardyke may refer to:
Mardyke, a district of Cork, Ireland containing: Mardyke (UCC), a sports venue associated with University College Cork (UCC) Mardyke (cricket ground), home ground of Cork County Cricket Club Mardyke (river), a tributary of the River Thames. Mardyke Estate, a housing development in east London.
See also
Mardyck near Dunkirk in France, also spelt Mardijk and Mardyke Fort Mardyke between Mardyck and Dunkirk, English from 1657 to 1662