Harry Newton Hempstead (June 25, 1868 – March 26, 1938) was the owner of the New York Giants of the National League from 1912 through 1919.

He was born on June 25, 1868, in Philadelphia to Orlando Gordon Hempstead and Elizabeth Ophelia Tyler.

He graduated from Lafayette College in 1891 and on October 10, 1894, he married Eleanor Gordon Brush.

He died on March 26, 1938, at his home on Park Avenue in Manhattan.

This biographical article relating to an American baseball executive is a stub.