Seth Williams (January 19, 1880 – July 29, 1963) was an officer of the United States Marine Corps with the rank of major general, who served at Headquarters Marine Corps as Quartermaster General of the United States Marine Corps during the years 1937–1944.Williams is most noted for his efforts during the construction of Marine Barracks, Quantico following the United States entry into World War I and for the construction of several military training centers at the beginning of World War II: Camp Lejeune, North Carolina; Camp Pendleton, California and Camp Elliott.