Frances Jennings Casement (1840–1928)[2] was an American suffragette and voting advocate from Painesville, Ohio.

[3] Her father Charles C. Jennings was a politician active in the abolition movement in the 1830s.

Frances and her husband moved to Wyoming where she became friends with suffragettes Susan B. Anthony and Elizabeth Cady Stanton.

[5] Casement lived to see the 19th Amendment to the United States Constitution giving women equal voting rights adopted in 1920.

The Casement House in Painesville Township was added to the National Register of Historic Places in 1975.