Gilbert Hewson (died 1951) was an Irish politician. He was elected to Dáil Éireann as an Independent Teachta Dála (TD) for the Limerick constituency at the June 1927 general election. He lost his seat at the September 1927 general election and was an unsuccessful candidate at the 1932 general election. He died at his home at Lough House, Ballyengland, Askeaton.