Clan Nicolson is a Scottish clan associated with the Highlands and Islands. The Nicolsons were prominent landowners and had strong connections to the Isle of Skye.
One notable figure from Clan Nicolson is Sir William Nicolson. He was a Scottish bishop and diplomat who served as the Bishop of Carlisle and later as the Archbishop of Cashel and Bishop of Derry. Sir William Nicolson played a significant role in church affairs and diplomatic negotiations during the late 17th and early 18th centuries.