Donald III, Bane (‘fair’) (c. 1039-c. 1100)

King of Scotland. He came to the throne in 1093 after seizing it on the death of his brother Malcolm III. He was dethroned in 1094 by his nephew, Malcolm's son, Duncan II. He regained power in 1094 but was defeated and captured in 1097 by Edgar, fourth son of Malcolm III, who had him blinded and imprisoned until his death.

As Donalbain, he appears in Shakespeare's play Macbeth 1605.