William Dawson may refer to:

Politicians William Dawson, 1st Viscount Carlow (died 1779), Anglo-Irish politician and peer William Johnston Dawson (1765–1796/8), U.S. representative from North Carolina William L. Dawson (politician) (1886–1970), U.S. representative from Illinois William M. O. Dawson (1853–1916), governor of West Virginia William Dawson (diplomat) (1885–1972), career United States diplomat William A. Dawson (1903–1981), U.S. representative from Utah William C. Dawson (1798–1856), United States senator from Georgia William Curran Dawson (1818–1893), Alabama politician, soldier William Dawson (Missouri politician) (1848–1929), U.S. representative from Missouri William Dawson (mayor) (1825–1901), mayor of St. Paul, Minnesota William McDonell Dawson (1822–1890), member of the Legislative Assembly for Canada East William Dawson (New Zealand politician) (1852–1923), New Zealand politician for Dunedin Suburbs, co-founder of Speight's brewery William Eddison Dawson (1829–1902), English-born businessman and political figure on Prince Edward Island

Other people William Dawson (college president) (1704?–1752), second president of the College of William & Mary William Dawson (sportsman) (1850–1916), English cricketer and rugby union player William "Red" Dawson (born 1942), American football player William Harbutt Dawson (1860–1948), British writer William James Dawson (1854–1928), English clergyman and author William L. Dawson (composer) (1899–1990), African-American composer William Francis Dawson (died 1829), road builder in British Ceylon, present-day Sri Lanka William Henderson Dawson (died 1879), Tyneside poet, songwriter, author and bookbinder William Leon Dawson (1873–1928), American ornithologist, author and lecturer William Dawson (ornithologist) (1927–2020), American ornithologist Wil Dawson (born 2005), Australian rules footballer Bill Dawson (software engineer) (William Dawson, born 1958), software engineer and co-founder of Xoom

Other uses William Dawson (1812 ship), launched at Lancaster as a West Indiaman

See also John William Dawson (1820–1899), Canadian geologist and Principal of McGill University Bill Dawson (disambiguation)