Mike Cleary (May 19, 1858 in County Laois, Ireland – September 5, 1893 in Belfast, New York) was an Irish-American boxer. Cleary was born in County Laois, and emigrated to the United States. He was known as a quick and "scrappy" fighter. On October 18, 1882 he defeated the Middleweight Champion of America, John Rooke, in 3 rounds. Rooke had promised to knock Cleary out before the fourth round.