Lieutenant General Robert T. Clark is a retired United States Army general. His last assignment was as the Commanding General, Fifth United States Army (later United States Army North) which he commanded from December 5, 2003 to December 2006. After his tour at Fort Campbell, General Clark was assigned as the Deputy Commanding General, Fifth United States Army. Upon his promotion to Lieutenant General, he commanded Fifth Army until December 2006. He retired from active duty on January 31, 2007. He is married and has a daughter and a son.