Dyke is a surname. Notable people with the surname include:
Edwin Dyke (1842–1919), English clergyman and cricketer
Greg Dyke (born 1947), former Director General of the BBC and current Chairman of Brentford Football Club
John Dyke (rugby player) (1884–1960), Wales international rugby union player
John Dyke, lead singer of German synthpop band Dyko
John and Jennie Dyke, American aircraft designers
William Dyke (born 1930), mayor of Madison, Wisconsin
Sir William Hart Dyke, 7th Baronet (1837–1931)
