Sir William Clarke (English politician) (c. 1623–1666), English politician and Secretary to the Council of the ArmyWilliam Clarke (apothecary) (1609–1682)William Clarke (cricketer) (1798–1856), English cricketer and team managerWilliam Clarke (English politician) (died 1666)William Clarke (industrialist) (1831–1890), English industrialist, co-founder of Clarke ChapmanWilliam Clarke (Leicestershire cricketer), English cricketerWilliam Clarke (cricketer, born 1846) (1846–1902), English cricketerWilliam Clarke (mayor), mayor of Jersey City, New JerseyWilliam Clarke (Australian politician) (1843–1903), Australian businessman and parliamentarianWilliam Aurelius Clarke (1868–1940), politician in Ontario, CanadaWilliam Branwhite Clarke (1798–1878), English/Australian geologistWilliam Clarke (cryptographer) (1883–1961), British cryptographerWilliam Eagle Clarke (1853–1938), British ornithologistWilliam John Clarke (1831–1897), Australian pastoralist, cattle-breeder and philanthropistSir William Clarke, 1st Baronet (1831–1897), Australian landownerWilliam Clarke (justice), chief justice of the Pennsylvania Supreme CourtWilliam Clarke (musician) (1951–1996), blues harmonica playerWilliam Clarke, a.k.a. Bunny Rugs, lead singer for the band Third WorldWill Clarke (triathlete) (born 1985), British triathleteWilliam Clarke (United Kingdom railway contractor) (unrelated to William Tierney Clark)Will Clarke (novelist) (born 1970), American novelistWillie Clarke, Northern Ireland nationalist politicianBill Clarke (politician) (born 1933), Canadian MP for Vancouver Quadra, 1973–1984Bill Clarke (Canadian football) (1932–2000), Canadian football defensive linemanBill Clarke (footballer born 1880) (1880–?), English footballer with Sheffield United, Northampton Town and SouthamptonBill Clarke (footballer born 1916), English footballer with Leicester City, Exeter and SouthamptonBill Clarke (football manager), Carlisle United F.C. manager 1933–1935Billy Clarke (footballer born 1878) (1878–1940), professional Scottish footballerBilly Clarke (footballer born 1987), professional Irish footballerBoileryard Clarke (1868–1959), also known as Bill Clarke, former Major League Baseball catcher
Other
William Clarke & Son, a tobacco company founded in 1830 in Cork, IrelandWilliam Clarke Estate, a historic home in Orange Park, FloridaWilliam Clarke College, an Anglican co-educational high school in Kellyville, New South Wales, Australia
