Eric Byrne (born 21 April 1947) is a former Irish Labour Party politician who served as a Teachta Dála (TD) for the Dublin South-Central constituency from 1989 to 1992, 1994 to 1997 and 2011 to 2016. He was formerly a member of Official Sinn Féin, the Workers' Party and Democratic Left. He was elected to the 27th Dáil at a by-election on 9 June 1994 following the resignation of long-serving Fianna Fáil TD John O'Connell (who had previously been a Labour TD for the same constituency). Byrne was a backbench supporter of the 'Rainbow' government led by Fine Gael's John Bruton.