Harry Richard "Cy" Morgan (November 10, 1878 – June 28, 1962) was an American Major League Baseball pitcher with the St. Louis Browns, Boston Red Sox, Philadelphia Athletics and the Cincinnati Reds between 1903 and 1913.

He was born in Pomeroy, Ohio He helped the Athletics win the 1910 and 1911 World Series.

The 1912 Reach Guide credits him with helping carry the pitching burden for the 1911 team while stars Jack Coombs and Chief Bender were less effective than usual early in the season.

He died in Wheeling, West Virginia on June 28, 1962, of coronary artery disease.

This biographical article relating to an American baseball pitcher born in the 1870s is a stub.