Treadwell is an English surname. Notable people with the name include:
Aaron Louis Treadwell (1866–1947), American professor of zoology Alexander Treadwell (born 1946), American politician from New York Anthony Treadwell (1922–2003), New Zealand architect, educator and painter Charles J. Treadwell (1920–2010), British diplomat Daniel Treadwell (1791–1872), American inventor David Treadwell (born 1965), American football placekicker Demetrius Treadwell (born 1991), American basketball player Don Treadwell (born 1960), American football coach and player Donnie E. Treadwell (1923–2014), American politician Elizabeth Treadwell (born 1967), American poet Frederick Pearson Treadwell (1857–1919), American-Swiss chemist Geoffrey Treadwell (1892–1967), South African cricket umpire George Treadwell (1918/9–1967), American jazz trumpeter Harold Treadwell (1897–1971), African-American baseball pitcher Harriet Taylor Treadwell (1870–1931), American educator, suffragist Jack L. Treadwell (1919–1977), United States Army officer James Treadwell, British former academic and author of fantasy novels John Treadwell (1745–1823), American politician from Connecticut John Treadwell (miner) (1842–1927), Canadian gold miner in Alaska Johnny Treadwell (1941–2014), American football player Laquon Treadwell (born 1995), American football wide receiver Liam Treadwell (1986–2020), English National Hunt jockey Marc T. Treadwell (born 1955), United States district judge Mead Treadwell (born 1956), American politician from Alaska Nicholas Treadwell (born 1937), British art dealer and gallery owner Oscar Treadwell (1926–2006), American jazz radio journalist and presenter Sophie Treadwell (1885–1970), American playwright and journalist Timothy Treadwell (1957–2003), American environmentalist Valentine Treadwell (c. 1813–1888), New York politician
See also Tredwell Dominic Treadwell-Collins (born 1977), British television producer