Jane Mary Thorne | |
|---|---|
| Baronne de Pierres | |
 | |
| Born | 1821 New York City |
| Died | 7 February 1873 1873 |
| Spouse(s) | Eugène Stéphane de Pierres, baron de Pierres |
| Father | Colonel Herman Thorne |
| Mother | Jane Mary Jauncey |
| Occupation | Dame du Palais to Empress Eugénie de Montijo |
Jane Mary Thorne, baronne de Pierres (1821 – 1873) was a French courtier of American origin. She served as lady-in-waiting (dame de Palais) to the empress of France, Eugénie de Montijo.