List of state leaders in 957

This is a list of heads of state, government leaders, and other rulers in the year 957.

Africa

• Fatimid Caliphate – Maʻād al-Muʻizz li Dīn Allāh, Caliph (953–975)

Asia

• Byzantine Empire – Constantine VII, Byzantine Emperor (913–959)
• China (Five Dynasties and Ten Kingdoms period) –
  • Later Zhou – Shizong, Emperor of Later Zhou (954–959)
  • Dingnan – Li Yixing, Dingnan Jiedushi (935–967)
  • Jingnan (Nanping) – Gao Baorong, King of Nanping (948–960)
  • Later Shu – Meng Chang, Emperor of Later Shu (938–965)
  • Northern Han – Liu Chengjun, Emperor of Northern Han (954–970)
  • Qingyuan – Liu Congxiao, Qingyuan Jiedushi (945–962)
  • Southern Han – Liu Sheng, Emperor of Southern Han (943–958)
  • Southern Tang – Yuanzong, Emperor of Southern Tang (943–958); Ruler of Southern Tang (958–961)
  • Wuping – Zhou Xinfeng, Wuping Jiedushi (956–962)
  • Wuyue – Qian Chu, King of Wuyue (947–978)
• Japan – Emperor Murakami, emperor of Japan (946–967)
• Korea (Goryeo Dynasty) – Gwangjong, King of Goryeo (949–975)
• Liao (Khitan Empire) – Muzong, Emperor of Liao (951–969)

Europe

• Bulgaria - Peter I, Tsar of Bulgaria (927–969)
• Kingdom of Burgundy - Conrad the Peaceful (937–993)
  • County of Arles - Boso II, Count of Arles (949–968)
• Byzantine Empire - Constantine VIII (913–959)
• Caucasus
  • Kingdom of Armenia - Ashot III (953–977)
  • Kingdom of Iberia - Sumbat I (937–958)
  • Principality of Kakheti - Kvirike II, Prince of Kakheti (929–976)
  • Klarjeti - Sumbat II, Prince of Klarjeti (943–988)
• Emirate of Crete - Abd al-Aziz ibn Shu'ayb (949–961)
• Kingdom of Croatia - Mihajlo Krešimir II (949–969)
• Kingdom of Denmark - Gorm the Old (c. 936–c. 958)
• Kingdom of England – Eadwig, King of the English (955–959)
  • Eadwig and his brother Edgar divide the country between them
    • Eadwig controls Wessex and Kent, 957–959
    • Edgar controls Mercia and Northumbria, 957–959
• West Francia - Lothair, King of West Francia (954–986)
  • County of Angoulême - William III (950–962)
  • County of Anjou - Fulk II (942–958)
  • Duchy of Brittany - Drogo (952–958)
  • Duchy of Burgundy - Otto, Duke of Burgundy (956–965)
  • County of Flanders - Arnulf I (918–965)
  • County of Maine - Hugh II (950–992)
  • March of Neustria - Hugh Capet (956–987)
  • Duchy of Normandy - Richard I, Duke of Normandy (942–996)
  • County of Paris - Hugh Capet (956–996)
  • County of Poitou - William III Towhead (935–963)
  • County of Toulouse - Raymond IV (944–972)
  • County of Vermandois - Adalbert I (943–987)
• Gascony - Sancho V, Duke of Gascony (950/955–c. 961)
• Kingdom of Germany - Otto I the Great, King of the Germans (936–973)
  • Bavaria - Henry II, Duke of Bavaria (955–976)
  • Duchy of Bohemia - Boleslaus I (935–972)
  • Archbishopric of Cologne - Bruno the Great (953–965)
  • Lotharingia - Bruno, Duke of Lotharingia (954–965)
    • County of Frisia - Dirk II (c. 939–988)
    • County of Hainault - Reginar III (940–958)
  • Duchy of Saxony - Otto I the Great (936–973)
    • Billung March - Hermann Billung, Margrave of Saxony (953–973)
    • Saxon East March - Gero, Margrave of Merseburg (937–965)
  • Duchy of Swabia - Burchard III, Duke of Swabia (954–973)
• Hungarian tribal federation - Taksony, Grand Prince of the Hungarians (c. 955– c. 972)
• Ireland - Domnall ua Néill, High King of Ireland (956–980)
  • Ailech - Domnall ua Néill, King of Ailech (943–980)
  • Connacht - Fergal Ua Ruairc, King of Connacht (956–967)
  • Uí Maine - Murchadh mac Aodha, King of Uí Maine (936–960)
  • Leinster - Túathal mac Úgair, King of Leinster (947–958)
  • Kingdom of Mide - Carlus mac Cuinn (952–960)
  • Munster -
    1. Máel Fathardaig mac Flainn, King of Munster (954–957)
    2. Dub-dá-Bairenn mac Domnaill, King of Munster (957–959)
• Italy - Berengar II and Adalbert, co-Kings of Italy (950–963)
  • Duchy of Amalfi - Mastalus II (957–958)
  • Principality of Benevento - Landulf II (943–961)
  • Principality of Capua - Landulf IV (943–961)
  • Duchy of Gaeta - John II (954–963)
  • March of Ivrea - Guy (957–965)
  • Duchy of Naples - John III (928–968)
  • Papal States - Pope John XII (955–964)
  • Principality of Salerno - Gisulf I (946–977)
  • Emirate of Sicily - Ahmad ibn Ḥasan (954–969)
  • Duchy of Spoleto - Theobald II (953–959)
  • March of Tuscany - Humbert (936–961)
  • Republic of Venice - Pietro III Candiano, Doge of Venice (942–959)
• Kievan Rus' -
  • Sviatoslav I, Prince of Kiev (945–972)
  • Olga of Kiev, Regent (945–c. 963)
  • Principality of Polotsk - Rogvolod (c. 945–c.978)
• Norway - Haakon I the Good, King of Norway (934–961)
• Kingdom of Alba (Scotland) - Indulf (954–962)
• Serbia - Časlav Klonimirović, Zhupan of Serbia (927–960)
• Spain -
  • County of Barcelona -
    • Borrell II, Count of Barcelona (947–993)
    • Miro I, Count of Barcelona (947–966)
  • County of Castile - Fernán González (931–970)
  • Caliphate of Córdoba - Abd-ar-Rahman III (912–961)
  • Kingdom of León - Sancho I (956–958)
    • County of Portugal - Gonçalo I Mendes (c. 950–997)
  • Kingdom of Pamplona - García Sánchez I (931–970)
• Wales -
  • Deheubarth - Owain ap Hywel, Prince of Deheubarth (950–987)
  • Kingdom of Gwynedd -
    • Iago ab Idwal, co-King of Gwynedd (950–979)
    • Ieuaf ab Idwal, co-King of Gwynedd (950–969)
  • Kingdom of Powys - Owain ap Hywel (950–987)