Blessed Dina Bosatta (27 May 1858 - 20 April 1887) was an Italian Roman Catholic professed religious (nun) who became a professed member of the Daughters of Mary religious congregation alongside her sister Marcellina. Bosatta became a nun in 1878 and assumed the religious name of "Chiara" and devoted her life to God and to the social welfare of neglected children and to the poor. Pope John Paul II presided over her beatification on 21 April 1991.