List of state leaders in 1406

This is a list of heads of state, government leaders, and other rulers in the year 1406.

Africa

• Ethiopian Empire – Dawit I (1382–1413)

Asia

• China (Ming dynasty) - Yongle Emperor (1402–1424)
• Kingdom of Chūzan - Bunei (1395–1407)
• Kingdom of Hokuzan – Hananchi (1401–1416)
• Japan (Muromachi period)
  • Monarch – Emperor Go-Komatsu (1392–1412)
  • Ashikaga shogunate - Ashikaga Yoshimochi (1394–1423)
• Joseon (Korea) – Taejong (1400–1418)
• Kingdom of Nanzan – Ououso (1403–1413)

Europe

• Principality of Achaea – Centurione II Zaccaria (1404–1430)
• Byzantine Empire – Manuel II Palaiologos (1391–1425)
• Kingdom of Castile –
  1. Henry III (1390–1406)
  2. John II (1406–1454)
• Kingdom of England – Henry IV (1399–1413)
• Kingdom of France – Charles VI (1380–1422)
• Germany - (House of Wittelsbach) - Ruprecht, King of the Romans (1400–1410)
  • Duchy of Bavaria-Straubing (House of Wittelsbach) - William II and Count of Holland and County of Hainaut (1404–1417)
  • Margraviate of Meissen (Wettin) - William the One-Eyed (1349–1407), William the Rich (1381–1425) and Friedrich the Belligerent (1381–1428)
  • Landgraviate of Thuringia (Wettin)
    1. Balthasar (1349–1406)
    2. Friedrich IV (1406–1440)
• Kingdom of Poland – Władysław II Jagiełło (1386–1434)
• Kingdom of Portugal and the Algarves – John I (1385–1433)
• Kingdom of Scotland –
  • Robert III (1390–1406)
  • James I (1406–1437)
• Principality of Theodoro – Alexios I (1402–1434)
• Principality of Tver – Ivan (1400–1425)

Middle East and North Africa

• Aq Qoyunlu (White Sheep Turkomans) – Qara Osman (1403–1435)
• Kingdom of Cyprus – Janus (1398–1432)
• Mamluk Sultanate of Egypt – Nasir-ad-Din Faraj (1405–1412)
• Empire of Trebizond – Manuel III (1390–1416)