William Stephenson (1897–1989) was a Canadian-born British spy, potential inspiration for the character James Bond.
William Stephenson may also refer to:
William Stephani (died 1428/9), or Stephenson, medieval bishop in Scotland William Stephenson (senior) (1763–1836), English watchmaker, schoolteacher and songwriter William Stephenson (junior) (1797–1838), his son, English songwriter and printer William B. Stephenson (1802–1884), American politician and judge William Haswell Stephenson (1836-1918), English industrialist and philanthropist William Stephenson (footballer) (1888–?), English footballer William Stephenson (sailor) (1889–1953), English marine engine stoker William Stephenson (psychologist) (1902–1989), psychologist and physicist best known for developing Q methodology William Stephenson (architect) (1912–2007), American architect and dance instructor William Stephenson (biologist) (1916-1996), British/Australian marine biologist and academic Bill Stephenson (1937–2010), Australian rules footballer
See also William Stevenson (disambiguation)