Léon Réne Sultan (Arabic: ليون سلطان; September 13, 1905 – June 23, 1945) was a French-Algerian lawyer and founder of the Communist Party of Morocco.

[2] In 1929, he moved his practice to Casablanca, Morocco, where he joined young socialists and socialized with the city's Muslims as well as Jews.

[3] A branch of the French communist party was established in Morocco and based in Casablanca, and Léon Sultan served as its secretary.

[3] Léon Sultan wrote articles for the Clarté, a weekly journal published by the group.

[1] He participated in Alsace, along the Rhine, in the Palatinate Forest, Württemberg, Bavaria, and Austria, where he was injured on April 29, 1945, fighting on the front.