Mary Butler (born 29 September 1966) is an Irish Fianna Fáil politician who has been a Teachta Dála (TD) for the Waterford constituency since the 2016 general election.
She was appointed Chair of the Committee on Jobs, Enterprise and Innovation in April 2016.She is also Fianna Fáil Junior Spokesperson for Older People and Chair of Oireachtas Cross Party group on Dementia.
She had been a member of Waterford City and County Council from 2014 to 2016.She called for a No vote in the 2018 referendum on Abortion.