Lieutenant-General Robert Echlin (c. 1657 – c. 1723) was an Irish officer of the British Army, who for many years commanded the 6th (Inniskilling) Dragoons He also sat in the Irish House of Commons and the House of Commons of Great Britain. In later life, embittered by his chronic state of poverty, lack of professional advancement and failing military career, he espoused the Jacobite cause, and died in exile in France. He was the first owner of the famous Echlin Sword.