Clan MacDonald of Dunnyveg, also known as Clan Donald South, Clan Iain Mor, Clan MacDonald of Islay and Kintyre, MacDonalds of the Glens (Antrim) and sometimes referred to as MacDonnells, is a Scottish clan and a branch of Clan Donald. The founder of the MacDonalds of Dunnyveg is Eòin Mòr Tànaiste Mac Dhòmhnaill, a son of Iain Mic Dhòmhnaill (John of Islay, Lord of the Isles)