Renault is a French surname, probably originating from Brittany,^{[citation needed]} easily confused with Renaud, which in French is pronounced in the same way.

Notable people with the surname Renault include:

• Ana Paula Renault (born 1981), Brazilian journalist, columnist and TV personality
• Bernard Renault (botanist) (1836–1904), French paleobotanist
• Bernard Renault (canoeist), French slalom canoeist
• Cécile Renault (1774–1794), French woman accused of attempting to assassinate Robespierre
• Fernand Renault (1865–1909), French business manager, one of the founders of the Renault automobile company
• Francis Renault (1893–1955), American female impersonator and vaudeville performer
• François Louis de Rousselet, Marquis de Châteaurenault (1637–1716), French vice-admiral, maréchal, and nobleman
• Gilbert Renault (1904–1984), French Resistance secret agent during World War II
• Henri-René Renault (1891–1952), Canadian politician
• Jeanne Renault Saint-Laurent (1886–1966), wife of Louis St. Laurent, Prime Minister of Canada
• Louis Renault (jurist) (1843–1918), French jurist and educator, Nobel peace prize 1907
• Louis Renault (industrialist) (1877–1944), French industrialist, one of the founders of the Renault automobile company
• Marcel Renault (1872–1903), French race driver, one of the founders of the Renault automobile company
• Maxime Renault (born 1990), French racing cyclist
• Mary Renault (1905–1983), British writer
• Michel Renault (1927–1993), French ballet dancer and teacher
• Philip Francois Renault (before 1719–c. 1750), French explorer and courtier
• Pierre Renault (1697-1777), French colonial administrator in India.
• Stéphane Renault (born 1968), French badminton player
• Jean Malo-Renault (1900–1988), French engraver and librarian

• Renault Renaldo Duncan (1904–1980), Duncan Renaldo, possibly Romanian-born American actor
• Renault Robinson (born 1942), US police officer and chairman of Chicago Housing Authority

• Renault