List of state leaders in 1423

See also
List of state leaders in 1422 Events of 1423 List of state leaders in 1424 State leaders by year

This is a list of heads of state, government leaders, and other rulers in the year 1423.

Africa

Kingdom of Bidar – Ahmad Shah I Wali (1422–1436)
China (Ming dynasty) - Yongle Emperor (1402–1424)
Kingdom of Chūzan - Shō Hashi (1422–1439)
Japan (Muromachi period)
- Monarch – Emperor Shōkō (1412–1428)
- Ashikaga shogunate -
  1. Ashikaga Yoshimochi (1394–1423)
  2. Ashikaga Yoshikazu (1423–1425)
Joseon (Korea) – Sejong the Great (1418–1450)
Kingdom of Nanzan – Taromai (1415–1429)

Kingdom of Aragon – Alfonso V (1416–1458)
Duchy of Burgundy – Philip III, the Good (1419–1467)
Byzantine Empire – Manuel II Palaiologos (1391–1425)
Crown of Castile – John II (1406–1454)
Kingdom of England (House of Lancaster) - Henry VI (1422–1461 and 1470–1471).
Kingdom of France (House of Valois) - Charles VII (1422–1461)
Germany (House of Luxembourg) - Sigismund, King of the Romans (1410–1437)
- Bavaria-Straubing (Civil war)
  - in Mons: Jacqueline, duchess of Bavaria-Straubing and countess of Holland and County of Hainaut (House of Wittelsbach) (1417–1432)
  - in County of Holland, County of Zeeland and most of County of Hainaut: John, duke of Bavaria-Straubing and count of Holland and Hainaut (1417–1425)
- Margraviate of Meissen (Wettin) - Wilhelm der Reiche (1381–1425) and Friedrich der Streitbare (1381–1428)
- Landgraviate of Thuringia (Wettin) - Friedrich IV der Friedfertige (1406–1440)
Grand Duchy of Lithuania – Vytautas the Great, Grand Duke of Lithuania (1392–1430)
Kingdom of Naples – rival claimants:
- Joanna II (1414–1435)
- Louis III (1417–1426)
Ottoman (Turkish) Empire – Murad II, Ottoman Sultan (1421–1451)
Kingdom of Poland – Wladislaus II (1386–1434)
Kingdom of Portugal and the Algarves – John I (1385–1433)
Kingdom of Scotland – James I (1406–1437)