Méreaux is the surname of a number of French composers: Nicolas-Jean Lefroid de Méreaux (1745-1797), an opera composer Joseph-Nicolas Lefroid de Méreaux (1767-1838), his son, a composer for the piano Amédée Méreaux (1802-1874), son of Joseph-Nicolas Lefroid de Méreaux, a musicologist, pianist and composer Max Méreaux (born 1946), a composer and music teacher