List of state leaders in 1091

1090 state leaders - Events of 1091 - 1092 state leaders - State leaders by year

Africa

• Almoravids - Yusuf ibn Tashfin (1061–1106)
• Empire of Ethiopia - Kedus Harbe (1079–1119)
• Fatimid Caliphate - Ma'ad al-Mustansir Billah (1036–1094)
• Hammadids - al-Mansur ibn an-Nasir (1088–1104)
• Ifriqiya (Zirid) - Tamim ibn al-Muizz (1062–1108)
• Kingdom of Makuria - Basileios (1089–1130)
• Wagadou (Ghana Empire) -
  1. Kambine Diaresso (1087-1090s)
  2. Suleiman (1090s-1100s)

Asia

• Armenia Minor - Ruben I, King of Armenia (1080–1095)
• Baghdad - Al-Muqtadi, Abbasid caliph of Baghdad (1075–1094)
• Byzantine Empire - Alexius I Comnenus (1081–1118)
• China (Northern Song Dynasty) - Emperor Zhezong (1085–1100)
• Emirate of Damascus - Tutush I (1079–1095)
• Kingdom of Georgia - David IV (1089–1125)
• Ghaznavid Empire - Zahir ud-Dalah Ibrahim (1059–1099)
• Great Seljuq Empire - Malik-Shah I (1072–1092)
• Japan (Heian period) -
  • Monarch - Emperor Horikawa (1087–1107)
  • Regent (Sesshō; Kampaku) - Fujiwara no Morozane, Sesshō (1087–1091); Kampaku (1091–1094)
  • Cloistered ruler - Emperor Shirakawa, Jōkō of Japan (1087–1129)
• Sultanate of Kerman - Turan Shah I (1084–1096)
• Korea (Goryeo Kingdom) - Seonjong (1083–1094)
• Liao (Khitan Empire) - Emperor Daozong (1055–1101)
• Thailand - Praya Thamikaraj, King of Thailand (1056–1107)
• Vietnam - Lý Nhân Tông, King of Vietnam (1072–1127)
• Western Xia - Emperor Chongzong (1086–1139)

Europe

• Taifa of Alpuente - Ahmed Adad ed Dawlah (?-1092)
• County of Angoulême - William III (1089–1118)
• County of Anjou - Fulk IV (1067–1109)
• Duchy of Apulia - Roger Borsa (1085–1111)
• Duchy of Aquitaine - William IX (1086–1127)
• Kingdom of Aragon - Sancho I (1063–1094)
• Margraviate of Austria - Leopold II (1075–1095)
• County of Auvergne - Robert II (1064–1096)
• Margraviate of Baden - Herman II (1073–1130)
• County of Barcelona - Ramon Berenguer III (1082–1131)
• Barrois - Sophie, Countess of Bar (1033–1092)
• Duchy of Bavaria - Welf I (1070–1101)
• County of Blois - Stephen II (1089–1102)
• Duchy of Bohemia - Vratislav II (1061–1085)
• County of Boulogne - Eustace II (1049–1093)
• Duchy of Brittany - Alan IV (1084–1112)
• Duchy of Burgundy - Odo I (1079–1103)
• Byzantine Empire - Alexios I Komnenos (Αλέξιος Α' Κομνηνός) (1081–1118)
• Duchy of Carinthia - Henry II (1090–1122)
• Kingdom of Castile - Alfonso VI (1071–1109)
• County of Champagne - Odo IV (1089–1092)
• Kingdom of Croatia - Stjepan II of Croatia (1089–1091)
• Deheubarth - Rhys ap Tewdwr, Prince of Deheubarth (1078–1093)
• Kingdom of Denmark - Olaf I (1086–1095)
• Kingdom of England - William II (1087–1100)
• County of Flanders - Robert I (1071–1093)
• Kingdom of France - Philip I (1060–1108)
• Kingdom of Gwent - Iestyn ap Gwrgant, Prince of Gwent (1081–1091)
• Kingdom of Gwynedd - Gruffydd ap Cynan (1081–1137)
• County of Hainaut - Baldwin II (1071–1098)
• Holy Roman Empire - Henry IV (1056–1105)
• Kingdom of Hungary - Ladislaus I (1077–1095)
• Ireland - Domnall Ua Lochlainn, High King of Ireland (1083–1121)
• Kingdom of the Isles - Godred Crovan (1079–1095)
• Kievan Rus' - Vsevolod I (1078–1093)
• Kingdom of León - Alfonso VI (1065–1109)
• Duchy of Lorraine - Theodoric II (1070–1115)
• Duchy of Lower Lorraine - Godfrey of Bouillon (1087–1100)
• County of Maine - Robert (1073–1096)
• March of Montferrat - William II (1084-c. 1101), with Rainier (1084-c. 1136)
• Kingdom of Navarre - Sancho V (1063–1094)
• Principality of Nitra - Lampert of Hungary (1077–1095)
• Duchy of Normandy - Robert Curthose (1087–1106)
• Kingdom of Norway - Olav Kyrre (1066–1093)
• County of Poitiers - William IX (1086–1127)
• Duchy of Poland - Władysław I Herman (1079–1102)
• Duchy of Pomerania - Zemuzil (1046–1106)
• Kingdom of Powys - Iorwerth ap Bleddyn, prince of Powys (1088–1103), with Cadwgan ap Bleddyn (1088–1111)
• County of Provence - Bertrand II (1063–1093)
• County of Savoy - Umberto II (1080–1103)
• Duchy of Saxony - Magnus (1072–1106)
• Kingdom of Scotland - Malcolm III (1058–1093)
• Serbia (Duklja) - Constantine Bodin (1080–1101)
• County of Sicily - Roger I (1071–1101)
• Duchy of Swabia - Frederick I (1079–1105)
• Kingdom of Sweden - Inge the Elder (1087–1105)
• Duchy of Styria - Ottokar VI (1084–1122)
• County of Toulouse - William IV (c. 1061- c. 1093)
• Bishopric of Utrecht - Conrad (1076–1099)
• Taifa of Valencia - El Cid
• Republic of Venice - Vitale Faliero, Doge of Venice (1084–1096)
• West Friesland -
  1. Dirk V, Count of West Friesland (1061–1091)
  2. Floris II, Count of West Friesland (1091–1121)
• County of Württemberg - Conrad I (1089–1122)

Middle East and North Africa

• Byzantine Empire - Alexios I Komnenos (Αλέξιος Α' Κομνηνός) (1081–1118)