William or Bill Hanson may refer to:
Arts and entertainment William Hanson (author) (born 1989), British author and etiquette coach William F. Hanson (1887–1969), American music composer William Lawrence Hanson (born 1903), composer Billy Hanson, the name given to Danny Hansford in the movie Midnight in the Garden of Good and Evil
Sports William Hanson (cricketer) (born 1982), English cricketer Bill Hanson (basketball) (1940–2018), American basketball player Bill Hanson (footballer) (1893–1946), Australian rules footballer
Others William Hanson (engineer) (1810–1875), railway and water engineer in South Australia, brother of Richard Davies Hanson William Cook Hanson (1909–1995), United States federal judge C. William Hanson, American internist, anesthesiologist and intensivist
See also William Hansen (disambiguation) William Hanson Dodge (1866–1932), American photographer