Angus Alexander McLean, KC (December 17, 1854 – April 3, 1943) was a Canadian lawyer and politician. Born in Belfast, Prince Edward Island, the son of William McLean. McLean was educated at the Prince of Wales College, Charlottetown, and the Harvard Law School. A lawyer and King's Counsel, he was married to Leah Yeo, daughter of John Yeo, from 1882 to her death in 1897. His second wife was Frances H. Longworth.