List of state leaders in 1406

1405 state leaders - Events of 1406 - 1407 state leaders - State leaders by year

Africa

• Empire of Ethiopia - 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)
  • Shogun (Ashikaga) - Ashikaga Yoshimochi (1394–1423)
• Korea (Joseon Dynasty) - Taejong (1400–1418)
• Kingdom of Nanzan - Ououso (1403–1413)

Europe

• Byzantine Empire - Manuel II Palaeologus (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)
  • Bavaria-Straubing (House of Wittelsbach) - William II, Duke of Bavaria-Straubing and Count of Holland and 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 - 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) - Kara Osman (1403–1435)
• Kingdom of Cyprus - Janus (1398–1432)
• Mamluk Sultanate of Egypt - Faraj (1405–1412)
• Empire of Trebizond - Manuel III (1390–1416)