Mary Bernard
Mary Bernard may refer to:
- Mary Bernard Aguirre (1844–1906), American educator
 - Mary Bernard Dickson (c. 1811 – 1895), New Zealand nun, nurse, and teacher
 - Mary Bernard Kirwan (1797–1857), Irish-born Canadian nun and educator
 - Mary Bernard Laughlin (1876–1948), American Roman Catholic nun and educator
 - Mary Gaines Bernard (fl. from late 1960s), American singer