Marcus Aurelius Hanna (November 3, 1842 – December 21, 1921) was an American lighthouse keeper famous for his heroism.

After the war, Hanna was appointed keeper of Pemaquid Point Light in his hometown of Bristol, Maine in 1869.

It was while serving at Two Lights, on January 28, 1885, that he risked his life to save two sailors from the schooner Australia which had wrecked on the rocks below the station.

According to the official Coast Guard website, Hanna braved a blizzard in freezing temperatures, at the risk of his life, to throw a line to the ship which was being battered against the rocks.

Hanna died on December 21, 1921, and is buried in Mount Pleasant Cemetery in South Portland, Maine.