Blessed María Angélica Pérez (17 August 1897 – 20 May 1932) was an Argentine Roman Catholic professed religious and a member of the Daughters of Our Lady of the Garden. Upon becoming a nun she assumed the name of "María Crescentia". She also was known to ill people as "Sister Sweetness". Pérez worked with the sick people of Argentina and was later relocated to Chile to continue her work. In 1932 she died of lung disease and was buried in Argentina; her remains were moved back to her homeland some decades later.