George McManus (June 18, 1846 – October 2, 1918) was a manager in Major League Baseball.
His career managerial record was 34–34 in 68 games.
In the former season, he was manager for an unofficial five-game post-season series between his St. Louis team and the first place Chicago White Stockings.
In the "Championship of the West", St. Louis won four to one.
This biographical article relating to a baseball manager or coach is a stub.