Jack Chambers (born 21 November 1990) is an Irish Fianna Fáil politician who has been a Teachta Dála (TD) for the Dublin West constituency since the 2016 general election.
Chambers was born in Galway, but has lived in Dublin since early childhood.
He resides in the Castleknock area of west Dublin.
His father, Frank Chambers, is a physician from Newport, County Mayo.
He was a political ally of Brian Lenihan Jnr.
His mother, Barbara Farragher, is from Hollymount, County Mayo.
He is not related to Lisa Chambers, another Fianna Fáil TD first elected in 2016.
He was educated at Belvedere College and holds a degree in Law and Political Science from Trinity College Dublin.
He has also studied medicine at the Royal College of Surgeons in Ireland.
In 2014, Chambers reopened the constituency office closed after the death of Brian Lenihan in 2011.
He was elected to Fingal County Council in the 2014 local elections, topping the poll in the Castleknock local electoral area.
He was Deputy Mayor of Fingal from 2015 until vacating his council seat on election to the Dáil.In March 2018, Micheál Martin appointed Chambers as Spokesperson for Defence.
On 3 May 2018, he, along with several other Fianna Fáil TDs, called for a No vote in the Irish abortion referendum.