List of state leaders in 1440

1439 state leaders - Events of 1440 - 1441 state leaders - State leaders by year -----

Africa

*Ethiopia - Zara Yaqob, Emperor of Ethiopia (1434-1468)

The Americas

*Aztec Empire - Moctezuma I, Aztec Emperor (1440 - 1469)
*Inca Empire - Pachacuti, Emperor (1438 - 1471)

Asia

*China (Ming Dynasty) - Zhengtong, Emperor of China (1435 - 1449)
* Japan
** Monarch - Go-Hanazono, Emperor of Japan (1428-1464)
** Shogun (Ashikaga) - Ashikaga Yoshinori, Shogun of Japan (1429-1441)
*Korea (Joseon Dynasty) - Sejong, King of Joseon (1418-1450)
*Ryūkyū Kingdom - Shō Chū - King of Ryūkyū (1440-1442)

Europe

*Aragon - Alfonso V, King of Aragon (1416-1458)
*Burgundy - Philip III, the Good, Duke of Burgundy (1419-1467)
*Byzantine Empire - John VIII Palaeologus, Byzantine Emperor, (1425-1448)
*Castile - John II, King of Castile (1406-1454)
*England (House of Lancaster) - Henry VI, King of England (1422-1461 and 1470-1471)
*France (Valois Dynasty) - Charles VII, King of France (1422-1461)
*Naples - René I, King of Naples (1435-1442)
*Navarre - Blanche I, Queen of Navarre (1425-1441)
* Poland - Władysław III of Varna, King of Poland (1434-1444)
*Venice - Francesco Foscari, Doge of Venice (1423-1457)
*Scotland - James II, King of Scotland (1437-1460)

Middle East and North Africa

*Ak Koyunlu - Uzun Hassan, Leader of the White Sheep Turkmen (1435-1478)
*Cyprus - John II, King of Cyprus (1432-1458)
*Egypt - Jaqmaq, Sultan of Egypt (1438-1453)
*Ottoman Empire - Murad II, Ottoman Sultan (1421-1451)