Maria Gargani (23 December 1892 - 23 May 1973) - in religious Maria Crocifissa del Divino Amore - was an Italian Roman Catholic professed religious who was a member of the Secular Franciscan Order and the founder of the Sisters Apostles of the Sacred Heart. Gargani was involved with Catholic Action during her teaching career but is best known for having been a close friend and correspondent with Pio from Pietrelcina from World War I until the saint's death in 1968; the saint wrote a total of 67 letters to Gargani during this period.