Henri Charles Manguin (23 March 1874 - 25 September 1949, in Saint-Tropez) was a French painter, associated with the Fauves.
Manguin entered the École des Beaux-Arts to study under Gustave Moreau, as did Henri Matisse and Charles Camoin with whom he became close friends. Like them, Manguin made copies of Renaissance art in the Louvre.
Manguin was greatly influenced by Impressionism, as is seen in his use of bright pastel hues.
He married in 1899 and made numerous portraits of his wife, Jeanne, and their family. In 1902, Manguin had his first exhibition at the Salon des Indépendants and Salon d'Automne. Many of his paintings were of Mediterranean landscapes; and would soon represent the height of his career as a Fauve artist.