Winlock may refer to:
People Anna Winlock (1857–1904), American astronomer and computer Fielding Winlock, American politician Herbert Eustis Winlock (1884–1950), American archaeologist Joseph Winlock (1826–1875), American astronomer and mathematician Winlock W. Steiwer (1852–1920), American banker, rancher, and politician
Places Winlock, Washington Winlock (crater)
See also Winlocker - a name for Ransomware