Herman Stacy Clardy III (born 1960) is a retired United States Marine Corps lieutenant general who last served as the commanding general of III Marine Expeditionary Force. He previously served as the military deputy for the Under Secretary of Defense for Personnel and Readiness, and before that as the J8 Deputy Director for Force Management, Application and Support on the Joint Staff. He was the 39th commander of the base in Twentynine Palms.