William Simpson
William Simpson may refer to:
- William Dunlap Simpson (1823–1890), Governor of South Carolina from 1879
- William Simpson (artist) (1823–1899), Scottish war artist and correspondent
- William John Simpson (1851–1901), journalist and political figure in Quebec
- William Hood Simpson (1888–1980), US general who commanded the US Ninth Army in Europe in World War II
- William Gayley Simpson (1892–1991), American pro-white racial activist and author
- William Simpson (judge) (1894-1966), Australian Supreme Court judge
- W. Douglas Simpson (1896–1968), Scottish architecture and archaeology academic and writer
- William Kelly Simpson (born 1928), American professor emeritus of Egyptology and archaeology
- William James Simpson (born 1954), Australian academic
- William R. Simpson (chemist) (born 1966), Alaskan chemist
See also