Louis O'Hara (born 1997/1998) is an Irish Sinn Féin politician who has been a Teachta Dála (TD) for the Galway East constituency since the 2024 general election.

[1][4] O'Hara joined Sinn Féin at the age of 17, stating he was drawn in by the party's focus on representing young people.

[6] At the 2020 general election, aged 22 and still a student at University of Galway, O'Hara lost out to Anne Rabbitte of Fianna Fáil.

[10] O'Hara has campaigned on the issues of housing, health, transport, and rural development, with a particular focus on dereliction in towns across County Galway,[11] a reduction in rents and provision of affordable housing,[12][13] reopening the Western Railway Corridor to connect Tuam and Athenry with Galway City as well as an increase and enhancement of primary healthcare services.

In the article he references research carried out by Dr Kurt Huebner[15] of the University of British Columbia which forecast that "Irish Unity would deliver a €35.6 billion boost in GDP for the island in the first eight years after unification, resulting in more jobs, higher wages, and more money to spend on public services".