| Robert Thornton | |
| Term Start1: | 12 July 1785 |
| Term End1: | 1790 |
| Term Start2: | 1790 |
| Term End2: | March 1817 |
| Birth Date: | 9 January 1759 |
| Death Date: | 16 March 1826 |
| Spouse: | Marina Thornton (née Eyre) |
| Father: | John Thornton |
Robert Thornton (9 January 1759 – 16 March 1826) was the MP for Bridgwater from 21 July 1785 till 1790 and MP for Colchester from 1790 till March 1817. On 12 September 1786, he married Marina Eyre.[1]