William Campbell
William Campbell or Bill Campbell may refer to:
Canada
United States
- William Campbell (business executive), former CEO of Intuit
- William Campbell (general) (1745–1781), Virginia militia general in the American Revolution
- William Campbell (NY surveyor) (c. 1767–1844), American physician, merchant, surveyor and politician from New York
- William W. Campbell (New York) (1806–1881), U.S. Representative from New York
- William B. Campbell (1807–1867), governor of Tennessee
- William Henry Campbell (1808–1890), president of Rutgers College
- William Wildman Campbell (1853–1927), U.S. Congressman from Ohio
- William Wallace Campbell (1862–1938), U.S. astronomer
- William March (1893–1954), born William E. Campbell, American soldier and novelist
- William Joseph Campbell (1905–1988), U.S. federal judge
- William C. Campbell (born 1923), former president of the United States Golf Association
- William Campbell (film actor) (1923-2011), American film and television actor
- Will D. Campbell (born 1924), American Baptist minister
- Bill Campbell (mayor) (born 1953), former mayor of Atlanta, Georgia
- Bill Campbell (illustrator), illustrator for the Hawk Model Company
- William Campbell (Medal of Honor, 1838) (born 1838), American Civil War sailor and Medal of Honor recipient
- William Campbell (Medal of Honor, 1840) (1840–1919), American Civil War soldier and Medal of Honor recipient
- Bill Campbell (sportscaster) (born 1923), sportscaster in the Philadelphia area
- Bill Campbell (California politician) (born 1942), Republican politician from California
- Bill Campbell (baseball) (born 1948), former Major League Baseball pitcher
- Billy Campbell (born 1959), American actor sometimes referred to as Bill Campbell
- Billy Campbell (TV executive) (born 1959), American TV executive producer
- William Campbell (filmmaker), televison and film producer, documentary filmmaker, and photojournalist
- William D. Campbell (1907–1995), world leader of the Boy Scouts
United Kingdom
- William Campbell (missionary) (1841–1921), Presbyterian missionary to Taiwan
- Willie Campbell (c. 1900–?), Scottish footballer
- William Campbell (footballer) (born 1865), Scottish forward with various clubs including Preston North End, Darwen and Newton Heath
- William Campbell (Everton footballer) (born 1865?), Scottish centre half in Everton F.C.'s 1890–91 English League Championship winning team
- Junior Campbell (William Campbell, born 1947), musician & composer
- William Campbell (metallographer) (1876–1936), English metallurgist
- William Campbell (Scottish musician), Scottish musician
- William Charles Campbell (1889–?), World War I fighter pilot
- William Robert Campbell, first British colonial Inspector General of Police of Ceylon (Sri Lanka)
- William Pitcairn Campbell (1856–1933), British Army general during World War I
- William Campbell, 2nd Baron Stratheden and Campbell (1824–1893), British peer and Liberal politician
Others