List of state leaders in 1378

This is a list of heads of state, government leaders, and other rulers in the year 1378.

Africa

• Ethiopian Empire – Newaya Maryam (1372–1382)
• Kingdom of Kano – Yaji I (1349–1385)
• Mali Empire – Musa II (1374–1387)

Asia

• China (Ming dynasty) - Hongwu Emperor (1368–1398)
• Kingdom of Chūzan – Satto (1355–1395)
• Kingdom of Hokuzan – Haniji (1322–1395)
• Japan (Nanboku-chō period)
  • Monarch (Northern Pretender) - Emperor Go-En'yū (1371–1382)
  • Monarch (Southern Court) - Emperor Chōkei (1368–1383)
  • Ashikaga shogunate - Ashikaga Yoshimitsu (1368–1394)
• Korea (Goryeo Kingdom) – U (1374–1388)
• Kingdom of Nanzan – Ofusato (1337–1396)
• Northern Yuan –
  1. Biligtü Khan (1370–1378)
  2. Uskhal Khan (1378–1387)

Europe

• Bulgarian Empire –
  1. Ivan Shishman, Tsar of Bulgaria (1371–1395)
  2. Ivan Sratsimir, Tsar of Bulgaria in Vidin (1356–1396)
  • Principality of Karvuna – Dobrotitsa, Despot of Karvuna (1347–1387)
• Byzantine Empire (Palaiologan dynasty) - John V (1341–1391)
• Kingdom of England – Richard II (1377–1399)
• Kingdom of Scotland – Robert II (1371–1390)
• Holy Roman Empire (House of Luxembourg)
  1. Charles IV (1347–1378)
  2. Wenceslaus, King of the Romans, (1378–1400)
  • Duchy of Bavaria-Straubing (House of Wittelsbach) -
    • William I (1347–1388)
    • Albert (1347–1404)
  • Prince-Archbishopric of Bremen – Albert II (1361–1395)
  • County of Hainaut and County of Holland
    • Count - William V, Count of Hainaut (1347–1388)
    • Regent – Albert, Count of Holland (1358–1388)
• Kingdom of Hungary (Angevin) - Louis I of Hungary (1342 1382)
• Kingdom of Poland – Louis I of Hungary (1370–1382)
• Kingdom of Portugal and the Algarves – Ferdinand I (1367–1383)
• Principality of Taranto – James of Baux (1374–1383)
• Kingdom of Navarre – Charles II (1349–1387)
• Kingdom of Naples – Joanna I (1343–1382)
• Principality of Achaea – Joanna I (1373–1381)
• Grand Duchy of Moscow – Dmitry Donskoy, Grand Prince of Moscow (1359–1389)
• Ottoman (Turkish) Empire – Murad I, Sultan of the Ottoman Empire (1359–1389)
• Republic of Venice – Andrea Contarini, Doge of Venice (1367–1382)
• Wallachia – Radu I, Voivode of Wallachia (1377–1383)

Middle East and North Africa

• Kingdom of Cyprus – Peter II (1369–1382)
• Mamluk Sultanate of Egypt – Alah-ad-Din Ali (1376–1382)