William Cullen (disambiguation)
William Cullen (1710–1790) was a Scottish physician and chemist.
William Cullen may also refer to:
- William Cullen (MP), MP for Kent
- William Cullen, Baron Cullen of Whitekirk (born 1935), senior member of the Scottish Judiciary
- William Cullen (representative) (1826–1914), U.S. representative from Illinois
- William John Cullen (1894–1960), Irish rugby international
- William Portus Cullen (1855–1935), chief-justice in New South Wales, Australia
- William Goodsir-Cullen (1907–1994), Indian field hockey player who competed in the 1928 Summer Olympics
- General William Cullen (Resident) (1785-1862), British Resident in the Kingdom of Travancore and Cochin in India
- William Cullen (tennis)
- Bill Cullen (1920–1990), US television and radio personality
- Bill Cullen (businessman) (born 1942), Irish businessman, philanthropist and media personality
See also
- Will Cullen Hart (born 1971), musician
- William Cullen Bryant (1794–1878), American writer