List of state leaders in 1451

1450 state leaders - Events of 1451 - 1452 state leaders - State leaders by year

Africa

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

Americas

• Aztec Empire - Moctezuma I (1440–1469)
• Inca Empire - Pachacuti (1438–1471)

Asia

• China (Ming Dynasty) - Jingtai Emperor (1449–1457)
• Japan (Muromachi period)
  • Monarch - Emperor Go-Hanazono (1428–1464)
  • Shogun (Ashikaga) - Ashikaga Yoshimasa (1449–1473)
• Korea (Joseon Dynasty) - Munjong (1450–1452)
• Ryūkyū 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 Palaeologus (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 (Valois Dynasty) - Charles VII (1422–1461)
• Kingdom of Hungary - Ladislaus the Posthumous (1444–1457)
• Lithuania and Poland - Casimir IV Jagiellon, Grand Duke of Lithuania (1440–1492), King of Poland (1447–1492)
• Ottoman (Turkish) Empire

1. Murat II, Ottoman Sultan (1421–1451)
2. Mehmet II, the Conqueror, Ottoman Sultan (1451–1481)

• Kingdom of Portugal - Alfonso V of Portugal (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)