Leroux (mostly northwestern France^[1]), LeRoux (American spelling), Le Roux (mostly Brittany,^[2] as a translation of Breton Ar Rouz or Ar Ruz) or Roux (mostly southeastern France,^[3] as a translation of Occitan Ros) is a surname of French origin meaning "red-haired" or "red-skinned" and may also come in certain cases (e.g. with the spelling Le Roux) from Breton Ar Roue meaning ″The King″. It may refer to:

People

• Adélaïde Leroux (born 1982), French actress
• AJ le Roux (born 1990), South African rugby player
• Alain Le Roux (c. 1040–1093), associate of William I of England
• Antoine Leroux (fl. 1846–1853), New Mexico mountain man
• Auguste Leroux (1871–1954), French painter
• Bernard Le Roux (born 1989), South African-born French rugby player
• Bruno Le Roux (born 1965), French politician
• Buddy LeRoux (1930–2008), American businessman and baseball club owner
• Charles C.-J. Le Roux (1724-?), French educator, inventor, and physicist
• Charles Le Roux (1814–1895), French painter
• Charles Leroux (1856–1889), American balloonist and parachutist
• Chelazon Leroux, Indigenous Canadian drag queen
• Chris Leroux (born 1984), Canadian baseball pitcher
• Christine Barkhuizen le Roux (1959–2020), South African writer
• Claudine Le Roux (born 1964), French canoer
• Christophe Le Roux (born 1969), French footballer
• Daniel Le Roux (1933–2016), South African footballer
• Doppies le Roux (born 1985), South African rugby player
• Etienne Leroux (1922–1989), South African writer
• François Le Roux (born 1955), French baritone
• François Leroux (born 1970), Canadian ice hockey player
• Fred le Roux (1882–1963), South African cricketer
• Garth Le Roux (born 1955), South African cricketer
• Gaspard Le Roux (1660–1707), French harpsichordist
• Gaston Leroux (1868–1927), French journalist, detective, and novelist
• Gaston Leroux (ice hockey) (1913–1988), Canadian ice hockey player
• Gaston Leroux (politician) (born 1948), Canadian politician
• Grant le Roux (born 1986), South African rugby player
• Hennie le Roux (born 1967), South African rugby player
• Isabel Le Roux (born 1987), South African sprinter
• Jean Leroux (born 1949), Canadian politician
• Jean-Marie Le Roux (1863–1949), French mathematician
• Jean Paul Leroux, Venezuelan actor
• Jean-Yves Leroux (born 1976), Canadian ice hockey player
• Josephine Leroux (1747–1794), French Ursuline nun
• Lash LeRoux (born 1976), American wrestler
• Laurent Leroux (1759–1855), Canadian businessman and politician
• Le Roux Smith Le Roux (1914–1963), South African artist, actor and broadcaster
• Louis Héctor Leroux (1829–1900), French painter
• Louis Napoleon Le Roux (1890–1944), Breton nationalist
• Maurice Le Roux (1923–1992), French composer and conductor
• Maxime Leroux (1951–2010), French actor
• Ollie le Roux (born 1973), South African rugby player
• Paul Le Roux (born 1972), Rhodesia-born programmer, criminal cartel boss and DEA informant
• P. K. Le Roux (1904–1985), South African politician
• Pierre Leroux (1797–1871), French philosopher and political economist
• Pierre Leroux (author) (born 1958), Canadian novelist, journalist and screenwriter
• Pieter Louis Le Roux (1865–1943), South African missionary
• Robert Leroux (sociologist) (born 1964), Canadian sociologist
• Robert Leroux (born 1967), French fencer
• Roland Leroux (born 1956), German chemist
• Roulland Le Roux (fl. 1508–1527), French architect
• Shaun Le Roux (born 1986), South African squash player
• Sydney Leroux (born 1990), Canadian-American soccer player
• Willie le Roux (born 1989), South African rugby player
• Xavier Leroux (1863–1919), French composer
• Yvon Le Roux (born 1960), French football player

Fictional characters

• Françoise Leroux, aka “Femme Leroux”, character of Le Labyrinthe du monde (Memoirs) by Marguerite Yourcenar
• Leroux, in Night Flight by Antoine de Saint-Exupéry
• Leroux, in L’Armée des ombres (Army of Shadows) by Joseph Kessel
• Louis Leroux, from the fifth season of the video game series Criminal Case
• Messieurs Leroux, characters of Arsène Lupin contre Herlock Sholmès by Maurice Leblanc
• Pierre Leroux, from the novel A French Lover by Taslima Nasrin
• Zommari Leroux, villain from the manga Bleach