William Cox

William Cox, Will Cox, Bill Cox, or Billy Cox may refer to:

Arts and entertainment

 * Bill Cox (1897–1968), American country and folk musician
 * Billy Cox (born 1941), American bassist best known for playing with guitarist Jimi Hendrix
 * Will Cox (actor), Australian actor associated with Independent Theatre, an Adelaide theatre company
 * William R. Cox (1901–1988), writer of short stories and Western and mystery novels
 * William Trevor (1928–2016), Irish novelist

Military

 * William Cox (British general) (1776–1864), British general of the peninsular war, in Siege of Almeida
 * William Ruffin Cox (1832–1919), Confederate general in the United States Civil War, later Secretary of the United States
 * William Reginald Cox (1905–1988), British Army officer
 * William Sitgreaves Cox (1790–1874), court-martialled acting third lieutenant of the USS Chesapeake

Law

 * William Cox (Nova Scotia lawyer) (1921–2008), past president of the Canadian Bar Association
 * William Harold Cox (1901–1988), U.S. federal judge
 * William John Cox (born 1941), American public interest lawyer, prosecutor, author and political activist

Politicians

 * William Cox (British politician) (1817–1889), Member of Parliament for Finsbury 1857–1859, 1861–1865
 * William Cox (governor) (born 1936), known as Bill Cox, Governor of the state of Tasmania, Australia
 * William E. Cox (1861–1942), U.S. Representative from Indiana
 * William H. Cox Jr. (born 1942), American politician from Maryland
 * William Hopkinson Cox (1856–1950), American politician; Lieutenant Governor of Kentucky
 * William Thomas Cox (1808–1877), British politician
 * William Wesley Cox (1865–1948), presidential, vice presidential, and perennial U.S. Senate candidate of the Socialist Labor Party

Sports

 * Bill Cox (American football) (1929–2017), former American football end
 * Bill Cox (baseball) (1913–1988), American Major League Baseball pitcher and Illinois state legislator
 * Bill Cox (golfer) (1910–1985), author and professional golfer at Fulwell Golf Club from 1946 to 1975
 * Bill Cox (footballer) (1880–1915), English football centre forward
 * Bill Cox (runner) (1904–1996), United States Olympic medallist
 * Bill Cox (speed skater) (born 1947), American Olympic speed skater
 * Billy Cox (baseball) (1919–1978), American Major League Baseball middle infielder
 * William Cox (wrestler), British Olympic wrestler
 * William D. Cox (1909–1989), American businessman and sports executive
 * William Samuel Cox (1831–1895), Australian racecourse owner, namesake of the Cox Plate

Others

 * William Cox (pioneer) (1764–1837), constructor of the road across the Blue Mountains in New South Wales, Australia
 * William Denton Cox (1883–1912), heroic steward aboard RMS Titanic
 * William George Cox (c. 1821–1878), Gold Commissioner for the Cariboo and Boundary Districts in the Colony of British Columbia, Canada
 * William M. Cox (1942–2017), American highways administrator
 * William Sands Cox (1802–1875), surgeon in Birmingham, England
 * William T. L. Cox (born 1984), American social psychologist