Léon Marie Eugène de Beylié (26 November 1849 – 15 July 1910) was a French général de brigade, archaeologist and patron of the arts.
His military career was mainly in French Indochina, where he was accidentally killed in a shipwreck during his sixth military campaign. He is also notable for the paintings and objets d'art he gave and bequeathed to the musée de Grenoble.