William Cullen (disambiguation)

William Cullen (1710–1790) was a Scottish physician and chemist.

William Cullen may also refer to:

Law

 * William James Cullen, Lord Cullen (1859–1941), Scottish judge, Senator of the College of Justice from 1909
 * William Cullen, Baron Cullen of Whitekirk (born 1935), senior member of the Scottish Judiciary
 * William Portus Cullen (1855–1935), chief-justice in New South Wales, Australia

Sports

 * William Cullen (cricketer) (1887–1945), Australian cricketer
 * William John Cullen (1894–1960), Irish rugby international
 * William Goodsir-Cullen (1907–1994), Indian field hockey player

Other

 * Bill Cullen (1920–1990), American television and radio personality
 * Bill Cullen (businessman) (born 1942), Irish businessman, philanthropist, and media personality
 * William Cullen (representative) (1826–1914), U.S. representative from Illinois
 * William Cullen (Resident) (1785–1862), British Army Officer