Brian James Hillery (22 November 1937 – 19 January 2021) was an Irish Fianna Fáil politician and finance executive who served as a Senator from 1977 to 1982, 1983 to 1989 and 1992 to 1997 and a Teachta Dála (TD) for the Dún Laoghaire constituency from 1989 to 1992.