Sarah Cecilia Harrison (21 June 1863 – 23 July 1941) was an Irish artist and the first woman to serve on Dublin City Council.

[3] Harrison's brother, Henry, was a supporter of Charles Stewart Parnell and a Member of Parliament for Mid Tipperary.

[3] She was closely involved in Hugh Lane's efforts to establish a gallery of modern art in Dublin.

Harrison is buried in Mount Jerome Cemetery, the inscription on her gravestone reads ‘Artist and Friend of the Poor’.

Sarah is also recognised for her prominent place in the suffrage victory procession and escorting Anna Halsam to vote in the Williams Street Courthouse, Dublin, in the 1918 General Election Portrait of Henry Joy McCracken which is shown in the Ulster Museum.