| Office: | Member of Parliament for Evesham |
| Term Start: | 1796 |
| Term End: | 1806 |
| Predecessor: | Thomas Thompson John Rushout |
| Alongside: | Thomas Thompson, Patrick Craufurd Bruce |
| Successor: | William Manning Humphrey Howorth |
| Education: | Harrow School |
| Parents: | Peter Thellusson Anne Woodford |
| Children: | 3 |
| Relations: | Peter Thellusson, 1st Baron Rendlesham (brother) George Woodford Thellusson (brother) |
Charles Thellusson (2 February 1770 – 2 November 1815), was a British merchant, banker and politician.
Thellusson was born on 2 February 1770. He was the third son of Peter Thellusson, a wealthy London merchant, and his wife Ann Woodford, daughter of Matthew Woodford.[1] Among his siblings were Peter Thellusson, 1st Baron Rendlesham, and George Woodford Thellusson, MP for Southwark, Tregony, and Barnstaple.
Like his elder brother, he was educated at Harrow School in 1785.
Thellusson was a signatory to the London Merchants' Declaration of Loyalty, in 1795.
He became Member of Parliament for Evesham at the 1796 British general election and was re-elected in 1802.
On 15 January 1795, Thellusson married Sabine Robarts (1775–1814),[2] the eldest daughter of Abraham Robarts, MP for Worcester. She was also the niece of George Tierney. Together, they were the parents of two sons and one daughter.[3]
Thellusson died on 2 November 1815.[4]