List of state leaders in 688

687 state leaders - Events of 688 - 689 state leaders - State leaders by year

Africa

America

Asia

• China (Tang Dynasty) - Ruizong, Emperor of Tang China (684–690)
• Japan (Asuka period) - Jitō, Empress of Japan (686–697)
• Korea (Silla) - Sinmun, King of Silla (681–692)
• Turkic Khaganate - Kutluk Khan (682–694)

Europe

• Bulgaria - Asparukh of Bulgaria, Khan of Bulgaria (668–695)
• Byzantine Empire - Justinian II (685–695)
• England (Heptarchy) -
  • Kingdom of East Anglia - Ealdwulf of East Anglia (664–713)
  • Kingdom of Essex - Sebbi of Essex (664–694)
  • Kingdom of Kent -
    • Swæfheard (687–690)
    • Oswine of Kent (687–690)
    • Swæfberht (687–690)
  • Mercia - Aethelred, King of Mercia (675–704)
  • Northumbria - Aldfrith of Northumbria, King of Northumbria (685–704)
  • Kingdom of Sussex -
  • Wessex -
    • Caedwalla of Wessex, King of Wessex (685–688)
    • Ine of Wessex, King of Wessex (688–726)
• Frankish Empire - Theuderic III, King of the Franks (679–691)
  • Austrasia - Theuderic III, King of Austrasia (679–691)
  • Neustria and Burgundy - Theuderic III, King of Neustria (675–691)
• Frisia - Radbod, King of the Frisians (678–719)
• Lombard Kingdom -
  • Perctarit (671–688)
  • Cunipert (688–689)
• Scotland
  • Dál Riata -
  • Kingdom of Strathclyde -
• Visigothic Kingdom - Ergica (687–702)
• Wales -
  • Kingdom of Gwynedd -
  • Kingdom of Powys