William Hall or Bill Hall may refer to:

• William Brad Hall (born 1958), American actor
• William Hall (actor), American actor
• William Hall (actor, born 1903), American actor
• William Hall Jr., American actor

• William Hutcheon Hall (1797–1878), British naval officer
• William Hall (VC) (1821–1904), Canadian royal naval hero
• William Henry Hall (1842–1895), first Director of Naval Intelligence of the Royal Navy
• William Preble Hall (1848–1927), U.S. Army Brigadier General and Medal of Honor recipient
• William Reginald Hall (1870–1943), British naval officer and MP
• William Evens Hall (1907–1984), U.S. Air Force Lt. General and member of the Reserve Officers Association (ROA) Minuteman Hall of Fame
• William E. Hall (1913–1996), U.S. naval aviator and Medal of Honor recipient

• William Hall (governor) (1775–1856), American politician, governor of Tennessee
• William Augustus Hall (1815–1888), U.S. Representative from Missouri
• William Sprigg Hall (1832–1875), American lawyer and politician
• William H. Hall (1869–1922), American politician
• William Reginald Hall (1870–1943), British naval officer and MP
• William Samuel Hall (1871–1938), dentist and Canadian federal politician
• William Lorimer Hall (1876–1958), lawyer, judge and political figure in Nova Scotia, Canada
• William Hall (Australian politician) (1902–1963), Australian politician
• William O. Hall (1914–1977), American diplomat
• William Hall, Illinois politician and member of Chicago City Council
• Bill Hall (New Mexico politician)

• William Brenton Hall (1764–1809), physician
• William Whitty Hall (1810–1876), American physician, writer and editor of health magazines
• William Hammond Hall (1845–1934), American civil engineer
• William Bateman Hall (1923–2003), Professor of Nuclear Engineering at the University of Manchester
• William Hall (virologist), Irish chair of medical microbiology and professor

• William Hall (cricketer, born 1853) (1853–1911), English cricketer
• William Hall (cricketer, born 1878) (1878–?), English cricketer
• Billy Hall (rugby) (1889–1964), English rugby union and rugby league footballer of the 1910s, and 1920s for Gloucester (RU), Great Britain (RL), England, and Oldham
• Bill Hall (pitcher) (1894–1947), American Major League Baseball (MLB) pitcher
• Bill Hall (catcher) (1928–1986), American MLB catcher
• Billy Hall (Australian footballer) (1915–2002), Australian rules football
• Bill Hall (utility player) (born 1979), American MLB utility player
• Will Hall (American football) (born 1980), American football coach
• William Hall (basketball) (born 1991), British basketball player

• William Hall (poet) (1748–1825), English poet and antiquarian
• William Hall (publisher) (1800–1847), English publisher who with Edward Chapman founded Chapman & Hall
• William Shakespeare Hall (1825–1895), English settler and explorer in Australia
• William Edward Hall (1835–1894), English lawyer and mountaineer
• William Knight Hall (1855–1900s), English political activist
• William James Hall (1860–1894), Canadian missionary to Korea
• William Preston Hall (1864–1932), American showman, businessman, and circus impresario
• William Weeks Hall (1894–1958), American artist, photographer and art critic.
• William Hall, 2nd Viscount Hall (1913–1985), Welsh surgeon and businessman
• William Hall (Lord Lieutenant) (born 1934), Northern Irish businessman, farmer and public servant
• Will Hall (born 1966), mental health advocate, writer, and counselor
• The Bill Hall Trio, a musical comedy act

• Willie Hall (disambiguation)