List of state leaders in 740

This is a list of heads of state, government leaders, and other rulers in the year 740.

Africa

• Kingdom of Makuria – ?
• Kingdom of Nekor – Salih I ibn Mansur (710–749)

Asia

• Arminiya – Ashot III Bagratuni (732–745)
• Umayyad Caliphate (Damascus) – Hisham ibn Abd al-Malik (724–743)
• China (Tang dynasty) – Emperor Xuānzong (712–756)
• Khazar Khanate – Bulan Sabriel (fl. 740)
• Japan (Nara period) – Emperor Shōmu (724–749)
• Korea (North South States Period)
  • Balhae – Mun (737–793)
  • Unified Silla – Hyoseong (737–742)
• Pallava Kingdom – Paramesvaravarman II (710–775)
• Pratihara Empire – Nagabhata I (730–756)
• Tibetan Empire – Me Agtsom (704–754)
• Turkic Khaganate – Yollıg Khagan (734–744)

Europe

• First Bulgarian Empire – Sevar, Khan of Bulgaria (738–753)
• Byzantine Empire – Leo III the Isaurian (717–741)
• England (Heptarchy) –
  • Kingdom of East Anglia – Ælfwald (713–749)
  • Kingdom of Essex – Saelred (709–746)
  • Kingdom of Kent –
    • Eadbert I (725–748)
    • Æthelbert II (725–762)
  • Kingdom of Mercia – Æthelbald (716–757)
  • Kingdom of Northumbria – Eadberht (737–758)
  • Kingdom of Sussex – Æthelbert (725–750)
  • Kingdom of Wessex
    1. Æthelheard (726–740)
    2. Cuthred (740–756)
• Frankish Empire –
  • Throne vacant (737–743)
  • Charles Martel, Mayor of the Palace (714–741)
  • Duchy of Aquitaine – Hunald (735–748)
• Georgia –
  • Klarjeti – Nerse (705–742)
• Ireland – Áed Allán, High King of Ireland (734–743)
  • Kingdom of Connacht – Áed Balb mac Indrechtaig (735–742)
  • Uí Maine – Cathal Maenmaighe (738–745)
  • Kingdom of Leinster – Muiredach mac Murchado (738–760)
  • Kingdom of Ulaid – Cathussach mac Ailello (735–749)
• Kingdom of the Lombards – Liutprand (712–744)
• Serbs – Unknown
• Scotland
  • Kingdom of Strathclyde – Teudebur of Alt Clut (622–752)
  • Kingdom of the Picts – Óengus I (729–761)
• Spain –
  • Kingdom of Asturias – Alfonso I (739–757)
• Republic of Venice – Orso Ipato, Doge of Venice (726–742)
• Wales –
  • Kingdom of Gwynedd – Rhodri Molwynog (720–754)
  • Kingdom of Powys – Elisedd ap Gwylog (725–755)

North America

• Copán – K'ak' Joplaj Chan K'awiil (738–749)
• Tikal – Yik'in Chan K'awiil (734–766)