Harry Joseph Costello (November 9, 1891 – August 24, 1968) was an American college football player and coach who later served as an officer in the Allied intervention in the Russian Civil War.

"[2] Costello was a halfback selected for Outing magazine's "Football Honor List for 1911" picked by coaches from the East and West.

In 1912 Georgetown won the South Atlantic Intercollegiate Athletic Association (SAIAA) posting an 8–1 record with its only loss to 1912 Carlisle Indians football team under first-year head coach Frank Gargan.

[5] Costello joined the United States Army and trained at Fort Sheridan.

Elements of the 85th Infantry Division, including Costellos formation, went to Russia as part of the Allied intervention in the Russian Civil War, where they were stationed in Arkhangelsk.