Saint Nazaria Ignacia March Mesa (10 January 1889 – 6 July 1943) – in religious Nazaria of Saint Teresa of Jesus – was a Spanish Roman Catholic professed religious and the founder of the Missionaries of the Crusade. Mesa immigrated from Spain to Mexico where she joined a religious order that saw her minister in Bolivia where she remained for most of her life. She served brief stints in Spain to spread the religious order she founded after she left her own order and relocated to Argentina where she later died.