List of state leaders in 1020

See also
List of state leaders in 1019 Events of 1020 List of state leaders in 1021 State leaders by year

This is a list of heads of state, government leaders, and other rulers in the year 1020.

Africa

Fatimid Caliphate – Al-Hakim bi-Amr Allah (996-1021)
- Ifriqiya – Al-Muizz ibn Badis, Zirid Viceroy (1016–1062)
Hammadids – Hammad ibn Buluggin (1008–1028)

Asia

Kingdom of Ani – Hovhannes-Smbat (1020–1040)
Byzantine Empire – Basil II Bulgaroktonus (976-1025)
Caliphate(Abbasid) - Al-Qadir, Caliph in Baghdad (991-1031)
China (Northern Song dynasty) - Emperor Zhenzong (997-1022)
Japan (Heian period) –
- Monarch – Emperor Go-Ichijō (1016–1036)
- Regent (Sesshō; Kampaku) - Fujiwara no Yorimichi, Sesshō (1017–1020); Kampaku (1020–1068)
Ghaznavid Empire – Mahmud of Ghaznavid (998-1030)
Khitan Empire – Shengzong (982-1031)
Khmer Empire – Suryavarman I (1001–1050)
Korea (Goryeo Kingdom) – Hyeonjong (1009–1031)
Chola Empire (Tamil Nadu) – Rajendra Chola & Rajadhiraja Chola (1012–1044 & 1054)

Europe

Kingdom of Burgundy – Rudolf III (993–1032)
- County of Burgundy – Otto-William (982–1026)
- County of Provence –
  - William III (1014–1037)
  - William IV (1018–1030)
  - Fulk Bertrand (1018–1051)
- County of Savoy – Humbert I (1003–1047/1048)
Byzantine Empire – Basil II the Bulgar-slayer (976–1025)
Caucasus
- Bagratuni Kingdom of Armenia –
  1. Gagik I (989–1020)
  2. Hovhannes I (1020–1021)
- Kingdom of Georgia – George I (1014–1027)
- Principality of Kakheti – Kvirike III (1010–1029)
Kingdom of Croatia –
- Krešimir III, co-King of Croatia (1000–1030)
- Gojslav, co-King of Croatia (1000–1020)
Kingdom of Denmark – Canute the Great (1018–1035)
Kingdom of England – Cnut the Great (1016–1035)
Kingdom of France – Robert II (996–1031)
- County of Angoulême – William IV (988–1028)
- County of Anjou – Fulk III (987–1040)
- Duchy of Aquitaine – William V (995–1030)
- County of Blois – Odo II (1004–1037)
- Duchy of Brittany –
  - Alan III, co-Duke of Brittany (1008–1040)
  - Eudes, co-Duke of Brittany (1008–1034)
- Duchy of Burgundy – Henry I (1016–1032)
- County of Flanders – Baldwin IV (987–1035)
- County of Maine – Herbert I (1015–1036)
- Duchy of Normandy – Richard II (996–1026)
- County of Toulouse – William III Taillefer (978–1037)
- County of Vermandois – Otto (1010–1045)
Duchy of Gascony – Sancho VI William (1009–1032)
Holy Roman Empire – Henry II, King of Germany (1002–1024) and Holy Roman Emperor (1014–1024)
- Duchy of Bavaria – Henry V (1005–1026)
  - March of Austria – Adalbert (1018–1055)
- Duchy of Bohemia – Oldřich (1012–1033)
- Duchy of Carinthia – Adalbero (1011–1035)
- Duchy of Lower Lorraine – Godfrey II (1012–1023)
  - County of Frisia – Dirk III (993–1039)
  - County of Leuven – Henry I (1015–1038)
  - County of Mons – Reginar V (1013–1039)
- Duchy of Upper Lorraine – Theodoric I (978–1026/1027)
  - County of Bar – Theodoric I (978–1026/1027)
  - County of Luxembourg – Henry I (998–1026)
- County Palatine of Lotharingia – Ezzo (996–1034)
- Duchy of Saxony – Bernard II (1011–1059)
  - Saxon Eastern March – Thietmar (1015–1030)
  - Northern March – Bernard (1009–1051)
  - March of Meissen – Herman I (1009–1038)
- Duchy of Swabia – Ernest II (1015–1030)
Kingdom of Hungary – Stephen I (1000–1038)
Ireland - Máel Sechnaill mac Domnaill, High King of Ireland (1014–1022)
- Ailech - Flaithbertach Ua Néill, King of Ailech (1004–1031)
- Connacht – Tadg in Eich Gil, King of Connacht (1010–1030)
- Uí Maine – Concobar mac Tadg Ua Cellaig, King of Uí Maine (1014–1030)
- Leinster – Augaire mac Dúnlainge, King of Leinster (1018–1024)
- Kingdom of Mide – Máel Sechnaill mac Domnaill (c. 975–1022)
- Kingdom of Munster – Dúngal mac Máelfothartaig Hua Donnchada (1014–1025)
Kingdom of Italy – Henry II (1004–1024) and Holy Roman Emperor (1014–1024)
- Duchy of Amalfi – Sergius II (1007–1028)
- Principality of Benevento – Landulf V (1014–1033)
- Principality of Capua – Pandulf II (1007–1022)
- Catepanate of Italy – Basil Boioannes (1017–1027)
- Duchy of Gaeta – John V (1012–1032)
- March of Montferrat – William III (991–1042)
- Duchy of Naples – Sergius IV (1002–1036)
- Papal States – Pope Benedict VIII (1012–1024)
- Principality of Salerno – Guaimar III (994–1027)
- Emirate of Sicily – al-Akhal (1019–1037)
- March of Tuscany – Rainier (1014–1027)
- Republic of Venice – Otto Orseolo, Doge of Venice (1009–1026)
Kievan Rus' – Yaroslav I the Wise (1019–1054)
- Principality of Novgorod – Yaroslav I the Wise (1010–1034)
- Principality of Polotsk – Bryachislav (1001–1044)
Kingdom of Norway – Olaf II (1015–1028)
Poland - Bolesław I the Brave, Duke of Poland (992–1025)
Kingdom of Alba (Scotland) - Malcolm II (1005–1034)
Serbia (Duklja) – Vojislav, Prince of Duklja (1018–1043)
Spain -
- County of Barcelona – Berengar Raymond I (1018–1035)
- County of Castile – García Sánchez (1017–1029)
- Caliphate of Córdoba – Al-Qasim ibn Hammud al-Ma'mu (1018–1021)
- Kingdom of León – Alfonso V (999–1028)
  - County of Portugal – Nuno I Alvites (1017–1028)
- Kingdom of Pamplona – Sancho III (1004–1035)
- County of Urgell – Ermengol II (1011–1038)
Kingdom of Sweden – Olof Skötkonung (995–1022)
Volga Bulgaria – Abu Ishak Ibrahim bine Mohammad (1006–1026)
Wales -
- Deheubarth - Llywelyn ap Seisyll, Prince of Deheubarth (1018–1023)
- Kingdom of Gwent – Edwyn ap Gwriad (1015–1045)
- Kingdom of Gwynedd – Llywelyn ap Seisyll (1018–1023)