Alexandre Dumas, père, French novelist

Alexandre Dumas, fils, son of the previous

Henry Dumas, American poet and author

Amy Dumas, professional wrestler better known as "Lita"

Dumas Malone, American author

The Club Dumas, a novel by Arturo Pérez-Reverte

Duke Dumas, the ruler of the vampires in the videogame Lunar Knights

Jean-Baptiste Dumas, French chemist

Dumas, Texas

Dumas (Kiba), a character within the Japanese anime Kiba

Dumarsais Simeus, Haitian/American businessman

Guillaume Mathieu, comte Dumas, French general

Russell Dumas, an Australian engineer and public servant

Duma, a political assembly in Russia.

Dumas, Arkansas

Thomas-Alexandre Dumas, General of the French Revolution and father of the novelist Alexandre Dumas, père

Dumas, Mississippi

Dumas House, an office building

Dumas Brothel, a brothel in Montana

Dumas (singer), Québécois singer

Daniel Dumas, Australian rugby player

Charles Dumas, American high jumper

The Sacred Order of Saint Dumas, a fictional group in Batman comics

Franck Dumas, French football player

Pierre Benoît Dumas, French Governor General of Pondicherry and Réunion

Richard Dumas, American basketball player

Willis Building (Ipswich) (originally Willis Faber and Dumas Headquarters), an office building in Ipswich, England

Edward Canfor-Dumas, English TV scriptwriter and novelist

Roland Dumas, French politician

Alexandre Dumas (Paris Métro)

Vito Dumas, Argentine single-handed sailor

Marlene Dumas, South African artist

Tony Dumas, American basketball player

Joseph Dumas, Canadian politician

Maurice Dumas, Canadian professor and politician

Frédéric Dumas, one of the first two diving companions of Jacques-Yves Cousteau