Thomas G. O'Donnell (30 August 1926 – 8 October 2020) was an Irish Fine Gael politician who served as Minister for the Gaeltacht from 1973 to 1977. He served as a Teachta Dála (TD) for the Limerick East from 1961 to 1987. He also served as a Member of the European Parliament (MEP) for the Munster constituency from 1979 to 1989.