Chester William "Chet" Nimitz Jr. was an American submarine commander in the United States Navy during World War II and the Korean War, and a businessman. He was awarded the Navy Cross and three Silver Stars for valor in battle. He was the son of U.S. Navy Fleet Admiral Chester W. Nimitz.

Chester William Nimitz was a fleet admiral in the United States Navy. He played a major role in the naval history of World War II as Commander in Chief, US Pacific Fleet, and Commander in Chief, Pacific Ocean Areas, commanding Allied air, land, and sea forces during World War II.