Maurice Michael Keliher (January 11, 1890 – September 7, 1930) was a professional baseball first baseman. He played in three games for the 1911 Pittsburgh Pirates and in 2 games for the 1912 Pirates. In 7 at-bats he never recorded a Major League hit. In 1930, Keliher was killed in a car accident in Washington, D.C. Murder charges were filed against two men after witnesses stated they saw Keliher be thrown out of the car before the collision.