Gilbert Kennedy of Dunure, 1st Lord Kennedy (22 February 1405 – 27 March 1489) was a Scottish lord, a son of Sir James Kennedy, Younger of Dunure, and Lady Mary Stewart, daughter of Robert III, King of the Scots. He served as one of six Regents during the early reign of James III of Scotland, after the 1460 death of James II.
Gilbert married Catherine Maxwell, daughter of Herbert Maxwell, 1st Lord Maxwell.
He married, secondly, Isabel Ogilvy, daughter of Sir Walter Ogilvy of Lintrathen and Isabel Glen, after 1460.
Kennedy, created 1st Lord of Kennedy between 27 March 1457 and 20 March 1458, in addition held the office of Keeper of the Castle of Lochdoun and the office of Constable of Stirling Castle, bestowed upon him in 1466. By that time, he was already Regent of Scotland, having secured the position on the death of James II.