Leroux Is A Boys Given Name Meaning "the Red-haired One." Its Inspired By The French Word Roux, Meaning "ginger." Add The French Masculine Article le Into The Mix, And Youve Got A Wonderfully European Name For Baby! Whether Your Little One Has A Beautiful Head Of Wispy Rouge Or You Simply Love The Idea Of A Standout Name Such As Leroux, Its A Winning Choice! It Originated As A French Surname, But As A First Name, Its Fired Up With A Fresh And Modern Feel.