William, Will, Willie, Bill or Billy Cook may refer to:
Sportsmen
Association football (soccer) William Cook (footballer) (1907–1968), English footballer who played for Darlington and Gateshead Willie Cook (footballer) (1906–1981), Scottish footballer Billy Cook (footballer, born 1890) (1890–1974), English-born footballer who played for Sheffield United Billy Cook (footballer, born 1895) (1895–1980), Huddersfield Town, Aston Villa and Tottenham Hotspur Billy Cook (footballer, born 1909) (1909–1992), Irish footballer who played for Celtic and Everton Billy Cook (footballer, born 1940) (1940–2017), Scottish-born footballer who played for Australia
Cricket William Cook (Lancashire cricketer) (1881–1947), English cricketer William Cook (Surrey cricketer) (1891–1969), English cricketer William Cook (Leeds/Bradford MCCU cricketer) (born 1995), English cricketer
Other sports William Cook (billiards player) (1849–1893), World Champion of English billiards in the 19th century W. T. Cook (William Thomas Cook, 1884–1970), American college sports coach Bill Cook (footballer, born 1887) (1887–1949), Australian rules footballer for Carlton Bill Cook (footballer, born 1937), Australian rules footballer for Geelong Bill Cook (1895–1986), Canadian ice hockey player in the Hockey Hall of Fame Bill Cook (American football) (c. 1904–1976), American junior college football coach Billy Cook (jockey) (1910–1985), Australian jockey Billy Cook (baseball) (born 1999), baseball player
Politicians and judges Sir William Cook, 2nd Baronet (1630–1708), member of parliament William Cook (British industrialist) (1834–1908), British industrialist and politician William Cook (MP), member of parliament for Lewes William Hemmings Cook (1768–1846), Canadian fur trader and politician, member of council of Assiniboia William Henry Harrison Cook (1840–1923), soldier, teacher, minister and state legislator in West Virginia William Henry Cook (1874–1937), justice of the Supreme Court of Mississippi William Loch Cook (1869–1942), justice of the Tennessee Supreme Court Bill Cook (politician) (born 1945), Republican state senator for North Carolina
Musicians Willie Cook (1923–2000), American jazz trumpeter Antony Tudor (William Cook, 1908–1987), English choreographer Will Marion Cook (1869–1944), American composer and violinist Will Joseph Cook, English singer-songwriter
Writers and artists William Delafield Cook (1936–2015), Australian artist William Edwards Cook (1881–1959), American-born expatriate artist, architectural patron, and long-time friend of writer Gertrude Stein William Wallace Cook (1867–1933), American journalist and author Will Cook (writer) (William Everett Cook, 1921–1964), American writer of westerns
Scientists William Cook (computer scientist) (1963–2021), American computer scientist William Harrison Cook (1903–1998), Canadian chemist William J. Cook (born 1957), American operations researcher and mathematician William Richard Joseph Cook (1905–1987), Chief Scientific Adviser to the Ministry of Defence of Great Britain 1966–1970, mathematician and civil servant William Cook, 19th- and early-20th-century creator of the Orpington poultry breeds
Others William Cook (entrepreneur) (1931–2011), American medical equipment manufacturer William Cook (pioneer) (18th century), founder of Russellville, Kentucky William Douglas Cook (1884–1967), founder of Eastwoodhill Arboretum, now the national arboretum of New Zealand William W. Cook (1858–1930), American attorney and legal scholar Billy Cook (actor) (1928–1981), American actor Billy Cook (criminal) (1928–1952), American spree killer and mass murderer William Cook (1908–1987), English choreographer, better known as Antony Tudor
See also William Cooke (disambiguation)