James Seaman Casey (January 28, 1833 - December 24, 1899) was a US Army officer who received the Medal of Honor for his actions during the Indian Wars. He was born in Philadelphia.
Casey enlisted in the army in April 1861, just after the outbreak of the American Civil War, and was commissioned second lieutenant a few months later. He was promoted to first lieutenant and captain, and became Commissary of Musters in the Army of the Potomac. He was brevetted major in March 1865 for his actions at the Battle of Fort Stedman.
After the war, Casey joined the 5th US Infantry and served under colonel Nelson A. Miles in the Black Hills War, later receiving the Medal of Honor for leading his company's assault in the Battle of Wolf Mountain. He was promoted to major of the 17th US Infantry in June 1882 and to lieutenant colonel of the 1st US Infantry in June 1893. He was eventually promoted to colonel of the 22nd US Infantry in January 1895, and retired two years later.
Casey was buried at Vale Cemetery in Schenectady, New York.
Rank and organization: Captain, Company A, 5th U.S. Infantry. Place and date: At Wolf Mountain, Mont., January 8, 1877. Entered service at: New York City, N.Y. Birth: Philadelphia, Pa. Date of issue: November 27, 1894.
Led his command in a successful charge against superior numbers of the enemy strongly posted.