Mary Augusta

Mary Augusta may refer to:


 * Mary Augusta Hickey (1887–1923), American wife of P. J. Kennedy
 * Mary Augusta Mullikin (1874–1964), American painter
 * Mary Augusta Safford (1851–1927), American Unitarian minister
 * Mary Augusta Stewart Houston, birth name of Stewart Bagnani (1903–1996), Canadian administrator
 * Mary Augusta Tappage (1888–1978), Shuswap-Métis elder, midwife, and storyteller
 * Mary Augusta Wakefield (1853–1910), British composer, contralto, festival organiser, and writer
 * Mary Augusta Yohé (1866–1938), American musical theatre actress