William Powell (1892–1984) was an American actor.
William, Willie, Bill or Billy Powell may also refer to:
Sports William Powell (gridiron football) (born 1988), CFL running back Bill Powell (baseball) (1885–1967), pitcher in Major League Baseball William Powell (cricketer) (1885–1954), first-class cricketer Billy Powell (footballer) (1901–1981), English footballer Willie Powell (1903–1987), Negro league baseball player William Powell (baseball) (1919–2004), Negro league baseball player Will Powell (racing driver) (William Powell, born 1985), British racing driver and businessman
Politicians William Edward Powell (1788–1854), Welsh Conservative politician, member of parliament for Cardiganshire William E. Powell (born 1934), American politician from the state of Florida William Powell (Canadian politician) (1907–1992), mayor of Hamilton, Ontario William Powell (Corby MP) (1948–2022), Conservative member of parliament in the United Kingdom Sir William Powell, 1st Baronet (c. 1624–1680), English member of parliament for Herefordshire William Powell (Liberal Democrat politician), Welsh Liberal Democrat member of the National Assembly for Wales William Thomas Rowland Powell (1815–1878), Welsh Conservative politician, member of parliament for Cardiganshire William Frederick Powell (1826–1889), political figure in Ontario, Canada William Powell (Virginia colonist) (died 1623), Virginia colonist, landowner, militia officer and politician William Frank Powell (1848–1920), African American diplomat
Military William G. Powell (1871–1955), Marine Corps Brevet Medal recipient William Henry Powell (soldier) (1825–1904), American Civil War general
Musicians William Powell (singer) (1942–1977), lead vocalist of The O'Jays Billy Powell (1952–2009), American musician
Priests William Powell (Archdeacon of Bath) (died 1612), Anglican priest William Powell (Archdeacon of Chester) (died 1751), British Anglican priest William Powell (Archdeacon of Colchester) (1717–1775), academic and priest
Other people "Benjaman Kyle" (born 1948), amnesiac William Dummer Powell (1755–1834), chief justice of Upper Canada William Powell (English actor) (1735–1769), English actor William Henry Powell (artist) (1823–1879), American artist William Henry Powell (architect) (1847–1900), English architect William Powell (author) (1949–2016), author of The Anarchist Cookbook William S. Powell (1919–2015), historian of North Carolina Alleged English name for Seminole fighter Osceola Bill Powell (golf) (1916–2009), American businessman, entrepreneur, and pioneering golf course owner William David Powell (1925–1968), American television writer, son of the actor William J. Powell (1897–1942), American civil aviator and author William J. Powell (attorney) (born 1960), U.S. attorney for the Northern District of West Virginia William Bramwell Powell (1836–1904), American educator, author and superintendent of schools William Powell (biologist) (died 2023), American biologist
Other uses USS William T. Powell, a Buckley-class destroyer escort of the United States Navy
See also William Nowland Van Powell (surname Van Powell), American architect, painter, and historian