William Simpson
Billy, Bill, Will, Willie and William Simpson may refer to:
Artists
- William Simpson (portrait artist), African American painter and civil right activist
- William Simpson (Scottish artist), Scottish war artist and correspondent
- Will Simpson (comics), Northern Irish comics, film and television storyboard and concept artist
- William James Simpson, Scottish DJ & Chef.
Politicians
- William Dunlap Simpson, American governor of South Carolina from 1879
- William John Simpson, Canadian journalist and political figure in Quebec
- William T. Simpson, American legislator in New York state
- William C. Simpson, American Republican mayor of Ashland, Kentucky in 1936 and 1948
Scholars
- William Simpson (teacher), English headmaster, first to lead Bootham School
- William John Ritchie Simpson, Scottish physician and specialist in tropical medicine
- William Douglas Simpson, Scottish architecture and archaeology lecturer
- William Kelly Simpson, American professor of Egyptology and archeology
- William James Simpson, Australian-British-American medievalist, a/k/a James Simpson
- William R. Simpson, American researcher in Alaska of snow chemistry
- William M. R. Simpson, British philosopher, winner of Cardinal Mercier Prize
Sportsmen
- Billy Simpson (jockey), South Australian rider and trainer
- Billy Simpson (footballer, born 1878), English left back and centre half for Sunderland and Lincoln City
- William Simpson (rugby league), English wing during 1900s and 1910s
- Billy Simpson (footballer, born 1929), Northern Ireland centre forward
- Willie Simpson, American fullback in 1961 on List of Pittsburgh Steelers players
- Bill Simpson (racing driver), American racecar safety pioneer
- Bill Simpson (American football), American defensive back
- Will Simpson (equestrian), American Olympic show jumper
Others
- William Hood Simpson, American Ninth Army general in Europe during World War II
- William Gayley Simpson, American white nationalist and author
- William Simpson (Australian judge), Australian general and administrator
- William Simpson (trade unionist), Scottish political activist
- Bill Simpson (actor), Scottish actor
- Billy Simpson (singer), Indonesian singer-songwriter
Characters
- Will Simpson, version of 1986's Nuke (Marvel Comics) in TV series Jessica Jones
- Will Simpson (Ackley Bridge), teacher in 2017 British TV drama