Henry Cadogan (1642 – 13 January 1713/14) of Liscartan, County Meath was an Irish barrister.
He served with Oliver Cromwell in Ireland, and was rewarded for his services with the estate of Liscarton, where Henry grew up.
[2] His paternal grandfather was Henry Cadogan of Llanbetter, a grandson of Thomas Cadogan, of Dunster, who claimed descent from the ancient princes of Wales (called Cadwgan ap Elystan Glodrydd "The Renowned", Prince of Fferreg, of Dol-y-Gaer, Breconshire).
[2] Educated at Trinity College, Dublin, he was a barrister and also High Sheriff of Meath in 1700.
Unlike his eldest son William, he did not play a leading part in public life.