Marie-Guillaume Charles Le Roux was a landscape painter of the Barbizon school.
He was born and died in Nantes, and is noted for his paintings of the Loire and its surroundings.
Museums holding works by Le Roux include the Musée des Beaux-Arts de Nantes. His painting Edge of the Woods. Cherry Trees in Autumn, which was painted in the last year (1895) of the artist"s life, was exhibited in the Exposition Universelle of 1900, and is in the collection of the Musée d’Orsay.