William Lewis

William or Willie Lewis may refer to:

Politicians

 * William Lewis (MP for Anglesey) (by 1526–1601 or later), MP for Anglesey in 1553 and 1555
 * William Lewis (MP for Helston), MP for Helston in 1584
 * William Lewis (MP for King's Lynn) (died 1593), MP for King's Lynn in 1593
 * William Lewis (MP for Cardiff), MP for Cardiff in 1601
 * Sir William Lewis, 1st Baronet (1598–1677), MP for Petersfield, Breconshire and Lymington
 * William Lewis (MP for Devizes) (1625–1661), MP for Devizes, 1660–1661
 * William J. Lewis (1766–1828), U.S. Representative from Virginia
 * William Lewis (Australian politician) (1818–1895), businessman and politician of Kapunda, South Australia
 * William Lewis (New York politician) (1827–1891), New York politician
 * William James Lewis (1830–1910), physician and politician in New Brunswick, Canada
 * William Lewis (Kentucky politician) (1868–1959), U.S. Representative from Kentucky
 * William Lewis, 3rd Baron Merthyr (1901–1977), Deputy Speaker of the House of Lords
 * William E. Lewis (1918-1989), Missouri politician

Sportspeople

 * William H. Lewis (1868–1949), first African-American All-American football player and United States Assistant Attorney General
 * William Lewis (athlete) (1876–1962), American hurdler in the 1900 Olympic Games
 * William Ian Lewis (cricketer) (1935–2004), Irish cricketer
 * William Lewis (cricketer) (1807–1889), English cricketer
 * William Lewis (figure skater), former Canadian figure skater
 * William Lewis (football) (1860–1916), association football referee, and secretary of Chelsea F.C.
 * William Lewis (chess player) (1787–1870), English chess competitor and author
 * Will Lewis (American football) (born 1958), American football executive and former cornerback
 * Willie Lewis (boxer) (1884–1949), American boxer

Arts

 * William Lewis (tenor) (born 1931), American operatic tenor
 * Willie Lewis (1905–1971), jazz clarinettist
 * Willie Lewis (rockabilly musician) (born 1946), musician and founder of Rock-A-Billy Records
 * William Lewis (journalist) (born 1969), British journalist and editor
 * William Thomas Lewis (1748–1811), English actor
 * Willard Louis (1882–1926), American actor who was sometimes credited as William Lewis
 * Spliff Star (William A. Lewis, born 1971), American rapper

Scientists

 * William Lewis (chemist) (1869–1963), Professor of Chemistry at Exeter University
 * William Lewis (mineralogist) (1847–1926), professor of mineralogy at Cambridge University
 * William Lewis (physical chemist) (1885–1956), propounded collision theory
 * William Lewis (scientist) (1708–1781), English scientist and physician
 * William M. Lewis Sr. (1921–2010), fish biologist

Businessmen

 * William Lewis, 1st Baron Merthyr (1837–1914), Welsh coal mining magnate
 * William D. Lewis, 19th-century banker, merchant, and railroad executive
 * William Turnor Lewis (1840–1915), Wisconsin businessman and state legislator

Other

 * William Lewis (pirate) (fl. 1687-?), English pirate (possibly fictional)
 * William Lewis (judge) (1752–1819), United States federal judge
 * William B. Lewis (New York treasurer) (c. 1816–1884), New York State treasurer, 1862–1863
 * William Berkeley Lewis (1784–1866), confidant of Andrew Jackson and auditor of the U.S. Treasury
 * William Garrett Lewis (1821–1885), British Baptist preacher
 * William Draper Lewis (1867–1949), dean of the University of Pennsylvania Law School; founding director of the American Law Institute
 * William G. Lewis (1835–1901), Confederate general in the American Civil War
 * Sir W. Arthur Lewis (William Arthur Lewis, 1915–1991), Saint Lucian economist
 * William Mather Lewis (1878–1945), President of George Washington and Lafayette Universities and a government official
 * William F. Lewis (1902–1964), Episcopal bishop

Companies

 * William Lewis & Son Co., a Chicago-based orchestral string instrument company acquired in 1995 by Selmer