Marie-Eugène de l'Enfant-Jésus, born Henri Grialou in 1894, was a French Discalced Carmelite priest and writer. After serving as a military officer during the First World War, he entered the Carmelite order and was ordained to the priesthood in 1922. He held significant leadership roles within his order, including serving as a definitor and a prior. He is recognized for establishing the Notre-Dame de Vie institute and for his work as an apostolic visitor for Pope Pius XII.