List of state leaders in 740

739 state leaders - Events of 740 - 741 state leaders - State leaders by year----

Africa

*Makuria - ?
*Nekor - Salih I ibn Mansur, King of Nekor (710-749)

America

*Copán - K'ac Joplaj Chan K'awiil, (738-749)
*Tikal - Yik'in Chan Kawil, (734-766)

Asia

*China (Tang Dynasty) - Xuanzong, Emperor of Tang China (712-756)
*Khazars - Bulan Sabriel, King of the Khazars (fl. 740)
*Japan (Nara Period) - Shōmu, Emperor of Japan (724-749)
*Korea - Balhae and Unified Silla
**Balhae - Dae Heummu, King of Balhae (737-797)
**Silla - Hyoseong, King of Silla (737-742)
*Pallava - Parameswaran II, King of Pallava, (710-775)
*Pratihara - Nagabhata, (730-756)
*Tibet - Emperor of Tibet
**Khri-lde gtsug-brtan, (680-743)
**Khri-srong lDe-btsan, (730-785)

Europe

*Asturias - Alfonso I, King of Asturias (739-757)
*Bulgars - Sevar, King of the Bulgars (738-753)
*Byzantine Empire - Leo III the Isaurian, Roman Emperor (717-741)
*East Anglia - Aelfwald, King of East Anglia (713-749)
*Essex - Saelred, King of Essex (709-746)
*Franks
**King of the Franks vacant
**Charles Martel, Mayor of the Palace (714-741)
**Aquitaine - Hunald, Duke of Aquitaine (735-748)
*Gwynedd - Rhodri Molwynog ap Idwal, King of Gwynedd (720-754)
*Ireland - Domhnall, High King of Ireland (739-758)
**Connacht - Aed Balb mac Indrechtach, King of Connacht (735-742)
**Hy-Many - Cathal Maenmaighe, King of Hy-Many (738-745)
**Leinster - Muiredach mac Murchad, King of Leinster (738-760)
**Ulaid - Cathasach, King of Ulaid (733-749)
*Lombards - Liutprand, King of the Lombards (712-744)
*Klarjeti - Nerse, Duke of Klarjeti (705-742)
*Mercia - Ethelbald, King of Mercia (716-757)
**Kent - King of Kent
***Eadbert I, (725-748)
***Æthelbert II, (725-762)
*Northumbria - Eadberht, King of Northumbria (737-758)
*Picts - Onuist mac Urguist, King of the Picts (729-761)
*Strathclyde - Teudebur, King of Strathclyde (722-752)
*Venice - Orso Ipato, Doge of Venice (726-742)
*Wessex - King of Wessex
*#Aethelheard, (726-740)
*#Cuthred, (740-756)
**Sussex - Aethelbert, Sub-king of Sussex (725-750)

Middle East

*Armenia - Achod Bagratuni, Prince of Armenia (732-745
*Caliphate - Hisham, Caliph of Damascus (724-743)