Mary Julia

Mary Julia is a feminine given name. Notable people with the name include:
 * Mary Julia Baldwin (1829–1897), American educator
 * Mary Julia Wade (1928–2005), Australian palaeontologist
 * Mary Julia Young (fl. 1775–1810), English novelist, poet, translator, and biographer

Mary Julia may also refer to:


 * Mary Juliana Hardman (1813–1884), English Catholic nun.