Frances "Fanny" Elizabeth Fitzwilliam (née Copeland) (26 July 1801 – 11 September 1854) was an English actress.

On 11 September 1854, she died of cholera at Richmond Lodge, Putney, a month before her planned wedding to Buckstone.

Fanny Fitzwilliam was remembered by Charles Dickens, in his The Uncommercial Traveller, for her part as Elise in Buckstone's Victorine at the Adelphi Theatre.

Excerpt from The Uncommercial Traveller CHAPTER XXXII – A SMALL STAR IN THE EAST "This woman, like the last, was wofully shabby, and was degenerating to the Bosjesman complexion.

But her figure, and the ghost of a certain vivacity about her, and the spectre of a dimple in her cheek, carried my memory strangely back to the old days of the Adelphi Theatre, London, when Mrs. Fitzwilliam was the friend of Victorine. "