Mary Theresa Vidal | |
|---|---|
 | |
| Born | Mary Theresa Johnson 23 June 1815 Torrington, Devon, England |
| Died | 19 November 1873 (aged 58) Sutton, Suffolk, England |
| Occupation | novelist |
| Years active | 1845–1866 |
| Relatives | William Johnson Cory (brother, inter alia) |
Mary Theresa Vidal (née Johnson) (23 June 1815 – 19 November 1873) was a British–Australian writer described as Australia's first female novelist.