Masson is a French and Scottish surname, which is an example of convergent etymology in that the French Masson may derive from marsh dweller and the Scottish from MacMhathain (clan of the bear) (variants include Maçon, Mâcon, Mason), and may refer to:
André Masson (1896–1987), a French artist
André Masson (economist), a French economist
Angela Masson (born 1951), an American pilot and artist
Antoine Masson (1636–1700), a French engraver
David Masson (1822–1907), a Scottish writer
David I. Masson (1917–2007), a Scottish science-fiction writer and librarian, grandson of David Orme Masson
David Orme Masson (1858–1937), an Australian chemist, son of David Masson
David Parkes Masson (1847-1915), a wealthy banker in India and distinguished philatelist
Didier Masson (?–1950), a French pilot
Diego Masson (born 1935), a French conductor, composer and percussionist
Édouard Masson (1826–1875), a Canadian businessman and political figure
Forbes Masson (born 1963), a British actor
Francis Masson (1741–1805), a Scottish botanist and gardener
Frédéric Masson (1847–1923), a French historian
Gérard Masson (born 1936), a French composer
Jean Papire Masson (1544–1611), a French scholar
Jeffrey Moussaieff Masson (born 1941), a writer on Freudian psychoanalysis
Joseph Masson (1791–1847), a Canadian businessman
Laetitia Masson (born 1966), a French film director and screenwriter
Maxime Masson (priest) (1867-1960), pastor for 52 years at the Catholic parish of Sainte-Thècle, Quebec, Canada
Paul Masson (1859–1940), a pioneer of California viticulture
Paul Masson (cyclist) (1874–1945), a French cyclist and 1896 Summer Olympian
Robert le Masson, a supporter of Joan of Arc
Rodrigue Masson (1833–1903), a Canadian politician
Sophie Masson (born 1959), a French-Australian author
Thomas Masson (born 1866), an American editor and author
