John Smith de Burgh, 11th Earl of Clanricarde, was an Irish peer.
Succeeded his father Michael Burke, 10th Earl of Clanricarde as an infant.
Married Hester Amelia Vincent, daughter of Sir Henry Vincent, 6th Baronet of Stoke d"Abernon. He changed his name to de Burgh by deed poll in 1752. He was elected a Fellow of the Royal Society in 1753.
He was a Privy Counsellor of Ireland for eight days in 1761, being struck off the list of the Council on 16 July.
After his death in Portumna Castle, County Galway he was buried in the Dominican friary, Athenry.