Ellen Fitzsimon (1805 – 27 January 1883) was an Irish poet.

[1][2] Ellen Fitzsimon was born Ellen Bridget O'Connell at Derrynane House, the third child and eldest daughter of Daniel and Mary O'Connell.

[3] Her poems appeared in Irish Monthly, The Nation, Duffy's Fireside Magazine, the Dublin Review.

[1] On 25 July 1825, she married Christopher Fitzsimon Esq.

The couple had 13 children:[2] Fitzsimon died in London on 27 January 1883 and is buried in Kensal Green Cemetery.