Dumas is a Southern French topographic surname, with fused preposition and definite article du, for someone who lived in an isolated dwelling in the country rather than in a village, from Occitan mas 'farmstead' (Late Latin mansum, mansus).
People surnamed Dumas include:
Adolphe Dumas (1805-1861), French poet.Alexandre Dumas, père (1802-1870), French novelist and author of The Three Musketeers and The Count of Monte CristoAlexandre Dumas, fils (1824-1895), son of the above and also a novelist, author of The Lady of the CamelliasAmy Dumas (born 1975), former professional wrestler better known as "Lita"Charles Dumas (disambiguation), multiple peopleDaniel Dumas (born 1983), Australian rugby playerDumas (musician) (born 1979), Canadian musician born Steve DumasFranck Dumas (born 1968), French football player and managerFrédéric Dumas (1913–1991), one of the first two diving companions of Jacques-Yves CousteauGeorges Dumas (French link) (1866-1946), French doctor and psychologistGilles Dumas, French rugby league footballer and coachGuillaume-Mathieu Dumas, comte Dumas (1753-1837), French generalHenry Dumas (1934-1968), African-American poet and authorJean-Baptiste Dumas (1800-1884), French chemistJoseph Dumas (1875-1950), Canadian politicianMarlene Dumas (born 1953), South African artistMaurice Dumas (1927-2015), Canadian professor and politicianMireille Dumas (born 1953), French journalistPierre Benoît Dumas (1668–1745), French Governor General of Pondicherry and RéunionRichard Dumas (born 1969), American basketball playerRoland Dumas (born 1922), French politician and lawyerRomain Dumas (born 1977), French racing driverRussell Dumas (1887-1975), Australian engineer and public servantTancrède Dumas (1830-1905), Italian photographerThomas-Alexandre Dumas (1762-1806), general of the French Revolution and father of the novelist Alexandre Dumas, pèreTony Dumas (born 1972), American basketball playerVito Dumas (1900-1965), Argentine single-handed sailorW. W. Dumas (1916-1993), former Mayor-President of East Baton Rouge Parish, Louisiana