List of state leaders in 1451

This is a list of heads of state, heads of governments, and other rulers in the year 1451.

Africa

• Adal Sultanate – Muhammad ibn Badlay (1445–1471)
• Ethiopian Empire – Zara Yaqob (1434–1468)

Americas

• Aztec Empire – Moctezuma I (1440–1469)
• Inca Empire – Pachacuti (1438–1471)
• Muisca Confederation
  • zaque Hunzahúa (~1450-1470)
  • zipa Meicuchuca (~1450-1470)

Asia

• Ayutthaya Kingdom (Siam) – Borommatrailokkanat (1448–1488)
• China (Ming dynasty) - Jingtai Emperor (1449–1457)
• Japan (Muromachi period)
  • Monarch – Emperor Go-Hanazono (1428–1464)
  • Ashikaga shogunate - Ashikaga Yoshimasa (1449–1473)
• Joseon (Korea) – Munjong (1450–1452)
• Ryukyu Kingdom – Shō Kinpuku (1450–1453)

Europe

• Kingdom of Aragon – Alfonso V (1416–1458)
• Duchy of Burgundy – Philip III, the Good (1419–1467)
• Byzantine Empire – Constantine XI Palaiologos (1449–1453)
• Crown of Castile – John II (1406–1454)
• Denmark and Norway – Christopher I of Denmark, King of Denmark (1448–1481), King of Norway (1450–1481)
• Kingdom of England (House of Lancaster) - Henry VI (1422–1461 and 1470–1471)
• Kingdom of France (House of Valois) - Charles VII (1422–1461)
• Grand Duchy of Moscow - Vasiliy II the Blind (1425–1462)
• Kingdom of Hungary – Ladislaus the Posthumous (1444–1457)
• Polish–Lithuanian union – Casimir IV Jagiellon, Grand Duke of Lithuania (1440–1492), King of Poland (1447–1492)
• Ottoman (Turkish) Empire

1. Murad II, Ottoman Sultan (1421–1451)
2. Mehmed II, the Conqueror, Ottoman Sultan (1451–1481)

• Kingdom of Portugal and the Algarves – Afonso V (1438–1481)
• Kingdom of Scotland – James II (1437–1460)
• Kingdom of Sweden – Charles VIII of Sweden (1448–1457, 1464–1465, and 1467–1470)
• Republic of Venice – Francesco Foscari, Doge of Venice (1423–1457)

Middle East and North Africa

• Aq Qoyunlu (White Sheep Turkomans) – Uzun Hassan (1435–1478)
• Kingdom of Cyprus – John II (1432–1458)
• Mamluk Sultanate of Egypt – Jaqmaq (1438–1453)