Peter Charles Harris (November 10, 1865 – March 18, 1951) was an American military officer who was Adjutant General of the United States Army from 1918 to 1922.

[3] In June 1895, Harris was an honor graduate of the Infantry and Cavalry School at Fort Leavenworth, Kansas.

[2][5] He participated in the Battle of San Juan Hill and the Siege of Santiago de Cuba, during the Spanish–American War.

The citation for the medal reads: The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Major General Peter Charles Harris, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I.

Captain Charles D. Harris was an August 1917 West Point graduate and military engineer who was mortally wounded in action at Clairs Chênes Wood near Cunel, France in October 1918, earning the Distinguished Service Cross.

[9][10] Harris lived in Washington, D.C. after retirement[1][2] and died at Walter Reed Medical Center on March 18, 1951.