Jack Belton

John (Jack) Belton (died 23 February 1963) was an Irish politician, builder and publican. He was first elected to Dáil Éireann as a Fine Gael Teachta Dála (TD) for the Dublin North-East constituency at the 1948 general election. He was re-elected at the 1951, 1954, 1957 and 1961 general elections. He died in February 1963 and the by-election held on 30 May 1963 was won by his brother Paddy Belton. He served as Lord Mayor of Dublin from 1950 to 1951.

Other members of the Belton family to have served in the Oireachtas include his father Patrick Belton, his brother Richard Belton and his niece Avril Doyle.