Harry Leroy Kelley (February 13, 1906 – March 23, 1958) was an American professional baseball pitcher.

He played in Major League Baseball (MLB) from 1925 to 1926 and again from 1936 to 1939 for the Washington Senators and Philadelphia Athletics.

In between, he pitched mainly for the Memphis Chicks of the Southern Association.

He was born in 1906 in the town of Parkin, Arkansas, and died there in 1958.

This biographical article relating to an American baseball pitcher born in the 1900s is a stub.