Eileen Lemass (née Delaney; born 7 July 1932) is an Irish former Fianna Fáil politician, who served as a Teachta Dála (TD) from 1977 to 1987, and also as a member of the European Parliament from 1984 to 1989.

In 1976 she unsuccessfully contested the by-election in Dublin South-West caused by the death of her 47-year-old husband Noel Lemass, son of former Taoiseach Seán Lemass and brother-in-law of future Taoiseach Charles Haughey.

[2] She served as the chair of the Committee on Youth, Culture, Education, Information and Sport between 1987 and 1989.

[2] In 1982, Lemass opposed pressure that the European Economic Community was placing on Ireland, Greece, and Belgium to legalise abortion.

Speaking to the Irish Times, Lemass said, “It is lucky that Ireland has adopted the constitutional amendment to protect the life of the unborn.