List of state leaders in 1440

This is a list of heads of state, government leaders, and other rulers in the year 1440.

Africa

• Mamluk Sultanate of Egypt – Jaqmaq (1438–1453)
• Ethiopian Empire – Zara Yaqob (1434–1468)

Asia

• Aq Qoyunlu (White Sheep Turkomans) – Uzun Hassan (1435–1478)
• China (Ming dynasty) - Zhengtong Emperor (1435–1449)
• Delhi Sultanate – Muhammad Shah (1434–1445)
• Gajapati Kingdom – Kapilendra Deva (1434–1467)
• Japan (Muromachi period)
  • Monarch – Emperor Go-Hanazono (1428–1464)
  • Ashikaga shogunate - Ashikaga Yoshinori (1429–1441)
• Joseon (Korea) – Sejong the Great (1418–1450)
• Ryukyu Kingdom – Shō Chū (1440–1442)
• Empire of Trebizond – John IV (1429–1459)

Europe

• Kingdom of Aragon – Alfonso V (1416–1458)
• Duchy of Burgundy – Philip III, the Good (1419–1467)
• Byzantine Empire – John VIII Palaiologos (1425–1448)
• Crown of Castile – John II (1406–1454)
• Kingdom of Cyprus – John II (1432–1458)
• Kingdom of Denmark – Christopher III, King of Denmark (1440–1448)
• Kingdom of England - Henry VI (1422–1461 and 1470–1471)
• Kingdom of France - Charles VII (1422–1461)
• Holy Roman Empire –
  1. Albert II, King of the Romans (1437–1440)
  2. Frederick III, Holy Roman Emperor (1440–1493)
  • Republic of Florence – Cosimo de' Medici, Gonfaloniere of Justice and de facto ruler of the Republic of Florence (1434–1464)
  • Duchy of Milan – Filippo Maria Visconti (1412–1447)
• Kingdom of Hungary – Ladislaus V (1440–1457)
• Grand Duchy of Lithuania -
  1. Sigismund Kęstutaitis, Grand Duke of Lithuania (1432–1440)
  2. Casimir IV Jagiellon, Grand Duke of Lithuania (1440–1492)
• Khanate of Kazan – Ulugh Muhammad (1438–1446)
• Principality of Moldavia – Stefan II (1436–1447)
• Grand Duchy of Moscow – Vasily II (1425–1462)
• Kingdom of Naples –René I (1435–1442)
• Kingdom of Navarre – Blanche I (1425–1441)
• Kingdom of Norway - Eric III (1389–1442)
• Ottoman Empire – Murad II, Ottoman Sultan (1421–1451)
• Papal States – Pope Eugene IV (1431–1447)
• Kingdom of Poland – Władysław III of Varna (1434–1444)
• Kingdom of Portugal and the Algarves – Afonso V (1438–1481)
• Kingdom of Scotland – James II (1437–1460)
• Kingdom of Sweden – Charles Knutsson Bonde, Regent of Sweden (1438–1440)
• Republic of Venice – Francesco Foscari, Doge of Venice (1423–1457)

North America

• Aztec Empire – Moctezuma I (1440–1469)

South America

• Inca Empire – Pachacuti (1438–1471)