Sir Ewen Cameron of Lochiel (Scottish Gaelic: Eòghain Camshròn Mac Dhòmhnaill Dubh; February 1629 – 12 June 1719) was a Scottish highland chief, soldier and courtier. He was the Lord of Clan Cameron – the 17th Lochiel, and was renowned for his role in the Wars of the Three Kingdoms (1650–1654) as a Cavalier and in the 1689 Jacobite Rebellion.