George Forbes, 4th Earl of Granard (15 March 1710 – 16 October 1769) was an Irish soldier and politician. He was the eldest son of George Forbes, 3rd Earl of Granard by his wife Mary, daughter of William Stewart, 1st Viscount Mountjoy; while heir-apparent to the earldom he was styled Viscount Forbes. Besides his military career, Forbes sat in the Irish House of Commons for Mullingar from 1749 until he succeeded to his father's seat in the Irish House of Lords in 1765. He was a Governor of County Longford from 1756, and custos rotulorum of the county from 1765 until his death.