William Watson
William, Willie, Bill or Billy Watson may refer to:
Arts
- William Watson (songwriter), English concert hall singer and songwriter
- William Watson (poet), English poet
- William J. Watson (author), Scottish toponymist
- Billy Watson (actor), American actor
- William Watson (writer), also known as Bill Watson, Scottish writer
- William C. Watson, American actor
- Willie Watson (musician), American folk musician
Military
- William H. Watson, Mexican–American War soldier from Maryland, U.S.
- William Watson (sergeant), in the Confederate States Army
- William Watson (surgeon), in Pennsylvania Volunteers during the American Civil War
- William Thornton Watson, New Zealand officer in the Australian Imperial Force
- William E. Watson, military historian
Politics
- William Watson (16th century MP), MP for the City of York
- William Henry Watson, British politician and judge
- William Watson (New South Wales politician), Australian politician
- William John Watson, Australian politician
- William T. Watson, American banker and governor of Delaware
- William W. Watson Sr., 19th century North Carolina politician
- William Watson (Australian politician), Australian politician
- William McLean Watson, Scottish politician
- W. Marvin Watson, U.S. Postmaster General
- William Watson, mayor of Rockford, Illinois, U.S., 1878–79
Science
- William Watson (scientist), English physician and scientist
- William Watson (physician), English physician and naturalist
- William Watson (surveyor and scientist), cartographer and sundial-maker from Seaton Ross
- William Livingstone Watson, Scottish East India merchant and astronomer
- Watson Cheyne or Sir William Watson, 1st Baronet Cheyne, Scottish surgeon and bacteriologist
- William Watson (botanist), British botanist and horticulturalist
- William Watson (physicist, born 1868), British physicist
- William Watson (Scottish physicist), FRSE Scottish physicist and mathematician
- William Weldon Watson, American nuclear physicist
Sports
Association football
- William Watson (footballer, born 1873), Scottish footballer
- Billy Watson (footballer, born 1890), English international footballer with Burnley, 1908–1925
- Billy Watson (footballer, born 1893), English footballer with Huddersfield Town, 1912–1927
- William Watson (footballer, fl. 1903–1909), Lincoln City footballer active in the 1900s
- Bill Watson (footballer, born 1899), English footballer in the 1920s–30s
- Bill Watson (footballer, born 1916), English footballer, fullback for Lincoln City, Chesterfield and Rochdale
- William Watson (footballer, born 1900), Scottish footballer
- Willie Watson (footballer, born 1910), Scottish footballer
- Jimmy Watson (footballer, born 1914), aka Bill Watson, English footballer in the 1930s
- Billy Watson (soccer), Scottish-American footballer in the 1920s–30s
- Billy Watson (Scottish footballer), Bradford City A.F.C. footballer, 1921–1931
- Willie Watson (English footballer), English footballer, full-back for Northampton Town
- Willie Watson (English cricketer), English cricketer and footballer
- Willie Watson (footballer, born 1949), Scottish footballer
- Graham Watson (footballer, born 1949), English footballer, aka "Willie" Watson
Cricket
- William Watson (cricketer, born 1881), Australian cricketer
- Willie Watson (English cricketer), English cricketer and footballer
- Bill Watson (cricketer), Australian cricketer
- Willie Watson (New Zealand cricketer), New Zealand cricketer
Rugby
- Billy Watson (rugby union), member of the 1893 New Zealand rugby union team
- Bill Watson (rugby union), born 1949, Scotland international rugby union player
- Billy Watson (rugby league), rugby league footballer of the 1930s for England, and Keighley
Other sports
- William Watson (motoring pioneer), British racing driver and motoring pioneer
- William Watson (weightlifter), British Olympic weightlifter
- Whipper Billy Watson, Canadian wrestler
- William Watson (decathlete), aka "Big Bill" Watson, American track and field athlete
- William Watson (basketball), African-American basketball player
- Bill Watson (baseball), American baseball player
- Bill Watson (ice hockey), ice hockey player in Minnesota
- Willie Watson (bowls), Irish international lawn bowler
- William Poss Watson, Australian rules footballer
Other people
- William Watson (bow maker), British bow maker
- William Watson (chess player), English chess grandmaster
- William Watson (economist), Canadian economist, member of the research advisory board for Macdonald–Laurier Institute
- William Watson (merchant), English merchant and shipowner
- William Watson (priest), English Roman Catholic priest and conspirator
- William Watson (sinologist), professor of Chinese art and archaeology at London University
- William Watson, Baron Watson, Scottish judge
- William Watson, Baron Thankerton, Scottish judge
- William J. Watson, Scottish teacher and scholar of place names
- William R. Watson, Canadian art dealer