William King may refer to:
- Bill King (1927–2005), American radio announcer
- Bill King (rugby league), rugby league footballer in Australia
- Bill King (rugby), New Zealand international rugby league player
- Billy King (cricketer) (1902–1987), Irish cricketer
- Commander Bill King (Royal Navy officer) (born 1910), submarine commander, circumnavigator, author
- Willie King (1943–2009), blues guitarist and singer
- W. B. R. King (William Bernard Robinson King, 1889–1963), British geologist
- William King (artist) (born 1925), American sculptor
- William King (author) (born 1959), British author and games designer, also known as Bill King
- William King (bishop) (1650–1729), Anglican Archbishop of Dublin
- William King (Canadian politician) (born 1930), British Columbia politician
- William King (doctor) (1786–1865), British physician, supporter of cooperative movement
- William King (engineer) (died 1929), Scottish engineer
- William King (geologist) (1809–1886), Irish geologist, first to recognize Homo neanderthalensis as a species
- William King (governor) (1768–1852), American statesman, governor of Maine
- William King (Governor of West Florida), governor of Florida, 1818–1819
- William King (London cricketer), English cricketer who played in the 1750s
- William King (minister) (1812–1895), Canadian Presbyterian minister and community founder
- William King (poet) (1663–1712), English poet
- William King (police officer), former Baltimore police officer sentenced to 315 years in prison
- William King (singer) (born 1949), singer with the 70's R&B group, the Commodores
- William King, 1st Earl of Lovelace (1805–1893) 8th Baron King and 1st Earl of Lovelace
- William Cutfield King (1829–1861), New Zealand politician
- William Frederick King (1854–1916), Canadian surveyor, astronomer, and civil servant
- William H. King (1863–1949), U.S. Senator from Utah
- William Lyon Mackenzie King (1874–1950), tenth Prime Minister of Canada
- William R. King (1786–1853), American statesman, Vice President under Franklin Pierce
- William R. King (judge) (1864–1934), Oregon legislator and supreme court jurist
- William Robert King, provincial level politician from Alberta, Canada
- William S. King (1828–1900), U.S. Congressman from Minnesota
- William Wickham King (1863–1959), amateur geologist
Famous quotes containing the words william and/or king:
“Swans moulting die, snow melts to tears,
Roses do blush and hang their heads,”
—Henry Noel, British poet, and William Strode, British poet. Beauty Extolled (attributed to Noel and to Strode)
“I think the King is but a man, as I am. The violet smells to
him as it doth to me.”
—William Shakespeare (1564–1616)