Sydney Chapman may refer to:
- Sir Sydney Chapman (economist) (1871–1951), British economist and civil servant
- Sydney Chapman (mathematician) FRS (1888–1970), British mathematician
- Sir Sydney Chapman (politician) (born 1935), former British Conservative MP
Famous quotes containing the word chapman:
“There are whole precincts of voters in this country whose united intelligence does not equal that of one representative American woman.”
—Carrie Chapman Catt (1859–1947)