Leroy Earl Parmelee (April 25, 1907 – August 31, 1981) was an American professional baseball pitcher.

He played in Major League Baseball (MLB) from 1929 to 1939 for the New York Giants, St. Louis Cardinals, Chicago Cubs, and Philadelphia Athletics.

In 1936, Parmelee posted the highest pitching game score ever in Cardinals' franchise history.

[1] On April 29, he defeated Carl Hubbell of the New York Giants in 17 innings and posted a game score of 116.

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