Niamh Smyth (born 5 May 1978) is an Irish Fianna Fáil politician who has been a Teachta Dála (TD) for the Cavan–Monaghan constituency since the 2016 general election.

She was appointed Chair of the Committee on Media, Tourism, Arts, Culture, Sport and the Gaeltacht in September 2020.

[3] Smyth was elected as the first president of the Fianna Fáil women's network on 14 September 2015.

[4] In May 2016, she was appointed to the Fianna Fáil Front Bench as Spokesperson for the Arts and Heritage.

Dessie is originally from Knockbride and is a nephew of Patrick Smith, a former Fianna Fáil founding member and politician.