Willie, Billy, Bill, Will or William Henry may refer to:
Politicians
Royalty
- William Henry, Prince of Orange (1650âÂÂ1702), future King William III of England
- William Henry, Prince of Nassau-Usingen (1684âÂÂ1718), member of German royalty
- William Henry, Prince of Nassau-Saarbrücken (1718âÂÂ1768), member of German royalty
- Prince William Henry, Duke of Gloucester and Edinburgh (1743âÂÂ1805), younger brother of King George III of the United Kingdom
- William Henry, Duke of Clarence (1765âÂÂ1837), future King William IV of the United Kingdom
Sportspeople
Writers
- William Henry (priest) (before 1728âÂÂ1768), Anglo-Irish Dean of Killaloe
- William Arnon Henry (1850âÂÂ1932), American academic and agriculturist from Ohio
- William J. Henry (1867âÂÂ1955), American hymn writer
- Bill Henry (journalist) (1890âÂÂ1970), American newspaper reporter
- Bill Fitz Henry (1903âÂÂ1957), Australian journalist with The Bulletin
- William E. Henry (1918âÂÂ1994), American psychologist
- William A. Henry III (1950âÂÂ1994), American author and cultural critic
- Will Henry, pen name of American screenwriter Henry Wilson Allen (1912âÂÂ1991)
- Will Henry, pen name of William Henry Wilson, cartoonist and writer of Wallace the Brave
Others
- William Henry (missionary) (1770-1859), Irish missionary, active in Tahiti and New South Wales, Australia
- William Henry (chemist) (1774âÂÂ1836), English chemist who formulated Henry's law
- William Henry (pastor) (1783-1839), Scottish Congregationalist pastor
- William "Jerry" Henry (1811âÂÂafter 1851), American fugitive slave who was freed in New York event known as Jerry Rescue
- William W. Henry (1831âÂÂ1915), American Civil War Medal of Honor recipient
- William Henry (actor) (1914âÂÂ1982), American performer; also billed as Bill HenryÃÂ
- E. William Henry (1929âÂÂ2022), American public official; chairman of FCC
- William Henry Fraser, Canadian politician
See also
- Fort William Henry, British fort built in upper New York during 1754âÂÂ63 French and Indian War; referenced in Last of the Mohicans
- William-Henry, name of Canadian city Sorel-Tracy from 1787 to 1845
- Bill Henry (film), 1919 American comedy directed by Jerome Storm