Masson is a French and Scottish surname. In Scotland, it is a form of the surname Mason. Historical evidence indicates that the origin of the surname is the occupation of mason.^[1] Másson is the Icelandic spelling.

• André Masson (1896–1987), a French artist
• André Masson (born 1950), a French economist
• Angela Masson (born 1951), an American pilot and artist
• Antoine Masson (1636–1700), a French engraver
• Antoine Masson (boxer), a Belgian boxer
• Charles Eadie Masson (1884–1954), a Canadian amateur ice hockey right winger
• Charles François Philibert Masson (1762–1807), a private secretary to the future Tsar Alexander I
• Charles Masson (1800–1853), the pseudonym of James Lewis, a British East India Company soldier and explorer
• David Masson (1822–1907), a Scottish writer
• David I. Masson (1915–2007), 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 (1886–1950), a French pilot
• Diego Masson (born 1935), a French conductor, composer and percussionist
• Don Masson (born 1946), Scottish footballer
• Édouard Masson (1826–1875), a Canadian businessman and political figure
• Émile Masson (1888–1973), a Belgian professional road bicycle racer
• Émile Masson Jr. (1915–2011), a Belgian professional road bicycle racer, son of above
• Elsie Rosaline Masson (1890–1935), Australian photographer, writer and traveller, daughter of David Orme Masson
• Forbes Masson (born 1963), a Scottish actor
• Francis Masson (1741–1805), a Scottish botanist and gardener
• Frédéric Masson (1847–1923), a French historian
• Gérard Masson (born 1936), a French composer
• Hafliði Másson, Icelandic goði and chieftain
• 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 (1867–1960), pastor for 52 years at the Catholic parish of Sainte-Thècle, Quebec, Canada
• Paul-Marie Masson (1882–1954), French composer and musicologist
• Paul Masson (1859–1940), a pioneer of California viticulture
• Paul Masson (1876–1944), a French cyclist and 1896 Summer Olympian
• Robert le Masson (1365–1443), a supporter of Joan of Arc
• Louis-Rodrigue Masson (1833–1903), a Canadian politician
• Snorri Másson (born 1997), Icelandic podcaster and politician
• Sophie Masson (born 1959), a French-Australian author
• Suzanne Masson (1901–1943), a French resistance fighter
• Thomas Lansing Masson (1866–1934), an American anthropologist, editor and author

• Mason (surname)