Gilbert Renault (6 August 1904 – 29 July 1984), known by the nom de guerre Colonel Rémy, was a notable French secret agent active during the Second World War and was known under various pseudonyms such as Raymond, Jean-Luc, Morin, Watteau, Roulier, Beauce and Rémy.

Gilbert Renault was born in Vannes, France, the oldest child of a Catholic family of nine children. His father was a professor of Philosophy and English, and later the inspector general of an insurance company. He went to the Collège St-François-Xavier in Vannes, and after his studies he went to the Rennes faculty. His sisters were Maisie Renault and Madeleine Cestari.