Francisco Martín Fernández de Posadas (25 November 1644 - 20 September 1713) was a Spanish Roman Catholic priest and a professed member of the Order of Preachers. He became a noted preacher and popular confessor while being hailed as a second Vincent Ferrer and in the beginning was subjected to violent dislike and ridicule from fellow Dominicans before he was allowed to enter the order. His beatification received ratification from Pope Pius VII on 20 September 1818 after the pontiff confirmed the late priest's local cultus - or popular and enduring devotion.