Mary Augusta
Mary Augusta may refer to:
- Mary Augusta Hickey, American wife of P. J. Kennedy
- Mary Augusta Mullikin, American painter
- Mary Augusta Safford, American Unitarian minister
- Mary Augusta Stewart Houston, birth name of Stewart Bagnani, Canadian administrator
- Mary Augusta Tappage, Shuswap-Métis elder, midwife, and storyteller
- Mary Augusta Wakefield, British composer, contralto, festival organiser, and writer
- Mary Augusta Yohé, American musical theatre actress