William John Whaling (February 26, 1894 – November 20, 1989) was a highly decorated Major general in the United States Marine Corps and an expert in jungle warfare during the Pacific War.
He also competed as a sport shooter in the 1924 Summer Olympics, where he finished in 12th place in the 25 m rapid fire pistol competition.He began his Marine Corps career as an Enlisted Man and received field commission during World War I.
Whaling remained in the Marine Corps and commanded battalion at Guadalcanal and regiment at Cape Gloucester and Okinawa, where he earned the Navy Cross for gallantry in action.
During the Korean War, he served as Assistant Division Commander, 1st Marine Division and later as Commanding general, Marine Corps Recruit Depot San Diego.