Frank Jack Fletcher (April 29, 1885 – April 25, 1973) was an admiral in the United States Navy during World War II. Fletcher was the operational commander at the pivotal Battles of Coral Sea and of Midway. As a lieutenant, Fletcher was awarded the Medal of Honor for his actions in the battle at Veracruz. He was the nephew of Admiral Frank Friday Fletcher, who was also awarded the Medal of Honor for actions at Veracruz.