Grover Allen Hartley (July 2, 1888 – October 19, 1964) was a backup catcher in Major League Baseball. From 1911 through 1934, he played for the New York Giants (1911–13, 1924–26), St. Louis Terriers (1914–15), St. Louis Browns (1916–17, 1934), Boston Red Sox (1927) and Cleveland Indians (1930). Hartley batted and threw right-handed. He was born in Osgood, Indiana. In a 14-season career, Hartley was a .268 hitter with three home runs and 144 RBI in 569 games played. Hartley died in Daytona Beach, Florida, at the age of 76.