Thomas O'Donnell (Sinn Féin politician)

Thomas O'Donnell (c. 1876 – 1945) was an Irish politician. He was elected unopposed as a Sinn Féin Teachta Dála (TD) to the 2nd Dáil at the 1921 elections for the Sligo–Mayo East constituency. He supported the Anglo-Irish Treaty and voted in favour of it. He was re-elected as a pro-Treaty Sinn Féin TD at the 1922 general election. At the 1923 general election, he stood as a Cumann na nGaedheal candidate for the Leitrim–Sligo constituency but he was not elected.