Miles Glenn Gardner (January 25, 1916 – July 7, 1964) was a Major League Baseball pitcher who played for the St. Louis Cardinals in 1945.

Gardner was one of many ballplayers who only appeared in the Major Leagues during World War II.

He made his major league debut in relief on July 21, 1945, against the Brooklyn Dodgers at Sportsman's Park.

His first major league win came in his first start, hurling a 7–0 shutout against the Philadelphia Phillies in the second game of a home doubleheader on August 15, 1945.

This biographical article relating to an American baseball pitcher born in the 1910s is a stub.