Barry Hamilton (born 1991) is an athlete and sports scientist from County Louth.
He played Gaelic football at minor and under-21 level for Louth.
Hamilton played at corner-forward on the Louth team that met a Dublin side featuring Ciarán Kilkenny in the 2012 Leinster Under-21 Final.
[1][2] He attended the 2014 FIFA World Cup as a member of the Croatia bench.
[3] The team were based in Salvador, Bahia.