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 (biologist) (1916-1996), British/Australian marine biologist and academic
• William Stephenson (senior) (1763–1836), Geordie watchmaker, schoolteacher and songwriter
• William Stephenson (junior) (1797–1838), his son, Geordie songwriter and printer
• 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
• Bill Stephenson (1937–2010), Australian rules footballer
• William B. Stephenson (1802–1884), American politician and judge
• William Haswell Stephenson (1836-1918), English industrialist and philanthropist

• William Stevenson (disambiguation)

This disambiguation page lists articles about people with the same name.
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