Hannibal Napoleon David Alfred Thomas ("Nap") Cordy (July 29, 1902 — January 30, 1977) was an amateur scholar in the field of pre-Columbian Mesoamerican civilizations, who made some notable contributions in the 1930s and 1940s to the early study and decipherment of the Maya script, used by the pre-Columbian Maya of southern Mexico and northern Central America.