Louis Dejean (June 9, 1872 in Paris – January 6, 1953 in Paris), was a French sculptor and engraver. He worked in the workshop of Gaston Schnegg, along with Antoine Bourdelle, Charles Despiau, Robert Wlérick, Léon-Ernest Drivier, François Pompon, Alfred Jean Halou, Charles Malfray, Auguste de Niederhausern, Henry Arnold, Jane Poupelet and Yvonne Serruys.