Charles Fred Widdecke (May 11, 1919 – May 13, 1973) was a highly decorated officer of the United States Marine Corps who reached the rank of major general. Widdecke received the Navy Cross, the United States military's second-highest decoration awarded for valor in combat, for his actions during the Recapture of Guam in July 1944. He later commanded the 1st Marine Division at the end of Vietnam War.