World War II George Joseph O'Shea (March 24, 1899 – August 17, 1983) was a highly decorated officer in the United States Marine Corps with the rank of brigadier general.

O'Shea served in the Pacific theater during World War II and retired in 1952 as director of 1st Marine Corps Reserve District in Boston.

He attended the Brooklyn College Preparatory School and subsequently received appointment to the United States Naval Academy at Annapolis, Maryland, in June 1918.

Many of his classmates became general officers later: Hyman G. Rickover, Robert E. Blick Jr., Herbert S. Duckworth, Clayton C. Jerome, James P. Riseley, James A. Stuart, Frank Peak Akers, Sherman Clark, Raymond P. Coffman, Delbert S. Cornwell, Frederick J. Eckhoff, Hugh H. Goodwin, John Higgins, Vernon Huber, Michael J. Malanaphy, William S. Parsons, Albert K. Morehouse, Harold F. Pullen, Harold R. Stevens, John P. Whitney, Lyman G. Miller and Ralph B.

His unit was subsequently ambushed by vastly superior force of Sandinitas, but O'Shea and his Marines repulsed the enemy and successfully withdrew from the area.

[1] O'Shea began his first tour of sea duty in March 1934, when he was appointed commanding officer of Marine detachment aboard the heavy cruiser USS Salt Lake City.

He took part in the Fleet Review in New York City in May of that year, before he was transferred to command Marine detachment aboard the light cruiser USS Trenton in September 1934, when he was promoted to captain.

[1] He then served as Communications Officer of 1st Marine Brigade under Brigadier General Richard P. Williams at Quantico, before he was sent as assistant naval attache to the American embassy in Mexico City in May 1938.

[1] O'Shea returned to the United States in January 1941 and assumed duty with the Office of Naval Intelligence, Navy Department in Washington, D.C., under Rear Admiral Theodore S. Wilkinson.