Royal Rodney Ingersoll, II (17 December 1913 – 6 June 1942) was an American junior naval officer, a graduate of the U.S. Naval Academy (1934), who was killed in battle early during the War in the Pacific. Ingersoll served on board the USS Hornet during the Battle of Midway from 4 June to 6 June 1942, in which the portion of the U.S. Navy fleet based in Hawaii decisively defeated the Imperial Japanese Navy (IJN) during its attack on Midway Island, sinking four IJN Japanese aircraft carriers.