William Thomas "Mox" McQuery (June 28, 1861 – June 12, 1900) was a Major League Baseball first baseman. He played for the Cincinnati Outlaw Reds (1884) of the Union Association, the Detroit Wolverines (1885) and the Kansas City Cowboys (1886), both of the National League, and the Syracuse Stars (1890) and Washington Statesmen (1891), both of the American Association.