Elizabeth of the Trinity (), born Élisabeth Catez (18 July 1880 – 9 November 1906), was a French Discalced Carmelite professed religious in addition to being a mystic and a spiritual writer. She was known for the depth of her spiritual growth as a Carmelite as well as bleak periods in which her religious calling was perceived to be unsure according to those around her; she however was acknowledged for her persistence in pursuing the will of God and in devoting herself to the charism of the Carmelites.