Frederick Hotham Andrus (August 23, 1850 – November 10, 1937) was an outfielder and pitcher in Major League Baseball for the Chicago White Stockings. In 1876 he played 8 games in the outfield, batting .306 in 36 at bats. In 1884, he played one game, pitching a complete game win on July 4 against the Philadelphia Quakers, allowing two earned runs.