(December 27, 1907 – March 8, 2003) was a United States Marine Corps general who served as the 23rd Commandant of the Marine Corps from January 1, 1964, to December 31, 1967.
Greene served in China in the 1930s, in the South Pacific in World War II, and was commandant during the military buildup in Southeast Asia and when the first United States troops entered South Vietnam.
During Greene's tenure as commandant, the Marine Corps grew from 178,000 active-duty personnel to nearly 300,000.
He retired at the end of his term as commandant, having served 40 years in the Marine Corps.