List of state leaders in 631

This is a list of heads of state, government leaders, and other rulers in the year 631.

America

• Palenque (Mayas) – K'inich Janaab' Pakal (Pacal II the Great) (615–683)

Asia

• Chalukya – Pulakesi II (609–642)
• China (Tang dynasty) – Emperor Taizong (627–649)
• Japan (Asuka period) – Emperor Jomei (629–641)
• Korea (Three Kingdoms) -
  • Baekje – Mu (600–641)
  • Goguryeo – Yeongnyu (618–642)
  • Silla – Jinpyeong (579–632)
• Northern India – Harsha of Kannauj (606–648)
  • Western Turkic Khaganate – Irbis Bolun Cabgu ( 621–633)

Europe

• Eurasian Avars – Kubrat (617–665)
• Byzantine Empire – Heraclius (610–641)
• England (Heptarchy) – Edwin of Northumbria, Bretwalda
  • Kingdom of East Anglia –
    • Ecgric of East Anglia (629–636)
    • Sigebert of East Anglia (629–634)
  • Kingdom of Essex – Sigeberht the Little (617–653)
  • Kingdom of Kent – Eadbald (616–640)
  • Kingdom of Mercia – Penda (c. 626–655)
  • Kingdom of Northumbria – Edwin (616–632)
  • Kingdom of Sussex –
  • Kingdom of Wessex – Cynegils (611–643)
• Frankish Empire – Dagobert I (629–634)
  • Kingdom of Aquitaine – Charibert II (629–632)
• Kingdom of the Lombards – Arioald (626–636)
• Scotland
  • Kingdom of Dál Riata – Domnall Brecc (629–642)
  • Kingdom of Strathclyde – Bili I (621–633)
• Visigothic Kingdom –
  • Suintila (621–631)
  • Sisenand (631–636)
• Wales -
  • Kingdom of Gwynedd – Cadwallon ap Cadfan (625–634)
  • Kingdom of Powys – Eiludd Powys (613–642?)

Middle East

• Arabia – Muhammad (to 632)
• Byzantine Empire – Heraclius (610–641)
• Sasanian Empire
  • Buran (629–631)
  • Hormizd VI (631–632)