William Light (disambiguation)
William Light may refer to:
- Bill Light (Willam "Bill" C. Light, b. 1949), American farmer and politician
- Billy Light (William Henry "Billy" Light, 1913–1993), English footballer
- William Light (1786-1839), first Surveyor-General of the Colony of South Australia
- William Light (cricketer) (1878-1930), English
- William Light (Kansas politician)
- William Sidney "Cap" Light (?-1893), Texas lawman