List of Famous people named William

William O'Neal was an American FBI Informant inside the Black Panther Party, known for being the person who gave information to Chicago police in order for them to raid and kill Black Panther leader Fred Hampton in 1969. He was a Counterenlightenment activist in the employ of the police.

William Louis Petersen is an American actor and producer. He is best known for his role as Gil Grissom in the CBS drama series CSI: Crime Scene Investigation (2000–2015), for which he won a Screen Actors Guild Award and was nominated for a Golden Globe Award; he was further nominated for three Primetime Emmy Awards as a producer of the show.

William Chan Wai-ting, born 21 November 1985) is a Hong Kong singer, dancer and actor. In 2003, he participated in New Talent Singing Awards where he won several awards. He was then signed under Emperor Entertainment Group. He began his singing career by joining Cantopop group Sun Boy'z in 2006 and left the group in 2008 to pursue a solo career, releasing his debut solo album in the same year. Since then, he has released a total of 7 albums and 6 singles.

William Alain André Gabriel Saliba is a French professional footballer who plays as a defender for Ligue 1 club Nice, on loan from Premier League club Arsenal.

Will Packer is an American film producer. He is the founder of Will Packer Productions and Will Packer Media.

William Christopher was an American actor and comedian, best known for playing Private Lester Hummel on Gomer Pyle, U.S.M.C. from 1965 to 1968 and Father Mulcahy on the television series M*A*S*H from 1972 to 1983 and its spinoff AfterMASH from 1983 to 1985.

William Howard Taft was the 27th president of the United States (1909–1913) and the tenth Chief Justice of the United States (1921–1930), the only person to have held both offices. Taft was elected president in 1908, the chosen successor of Theodore Roosevelt, but was defeated for reelection by Woodrow Wilson in 1912 after Roosevelt split the Republican vote by running as a third-party candidate. In 1921, President Warren G. Harding appointed Taft to be chief justice, a position he held until a month before his death.

William Leymergie (born 4 February 1947 in Libourne, France is a journalist television producer and host, best known for the French breakfast television news show Télématin, broadcast on public broadcaster France 2 and TV5 in Canada.

William Hubbs Rehnquist was an American lawyer and jurist who served on the Supreme Court of the United States for 33 years, as an associate justice from 1972 to 1986 and as Chief Justice from 1986 until his death in 2005. Considered a conservative, Rehnquist favored a conception of federalism that emphasized the Tenth Amendment's reservation of powers to the states. Under this view of federalism, the court, for the first time since the 1930s, struck down an act of Congress as exceeding its power under the Commerce Clause.

William Sylvester Harley was an American mechanical engineer and businessman. He was one of the co-founders of the Harley-Davidson Motor Company.