William Hancock
William Hancock may refer to:
- William Augustus Hancock, American pioneer, surveyor, engineer, politician, and jurist
- William Hancock, Anglican priest in Australia
- William Hancock , English ophthalmologist and sportsman
- William Hancock Sr. , commissioned Hancock House in Lower Alloways Creek Township, New Jersey
- William Hancock Jr. , mortally wounded at the Hancock's Bridge massacre
- Billy Hancock, American singer, guitarist, and recording artist
- Keith Hancock , Australian historian
- William Hancock of Pendle Hall, Lower Higham, Padiham, Lancaster, father-in-law of Thomas Anderton
- William Hancock , commemorated by Cyathea hancockii
- William Hancock of Hancocks Brewery in the South West of England, father of Frank, Froude and William Hancock
- William Hancock, England national rugby union player, Newport RFC, and Salford, first capped 1955
- William J. Hancock, headmaster of Bastrop Academy, who commissioned Fowler House in 1852
- William John Hancock, telephone and X-ray pioneer in Western Australia
- Bill Hancock, a Canadian Alliance candidate in the 2000 Canadian federal election
- Bill Hancock , American collegiate sports executive