1091 state leaders - Events of 1092 - 1093 state leaders - State leaders by year

Africa

• Almoravids - Yusuf ibn Tashfin (1061-1106)
• Ethiopia - Kedus Harbe, Ruler of Ethiopia, (1079-1119)
• Fatimid Caliphate - Abū Tamīm Ma'add al-Mustanṣir bi-llāh, Caliph (1036-1094)
• Hammadids - al-Mansur ibn an-Nasir (1088-1104)
• Ifriqiya (Zirid) - Tamim ibn al-Muizz (1062-1108)
• Makuria - Basileios, King of Makuria (1089-1130)
• Wagadou (Ghana Empire) -
  1. Kambine Diaresso, Ghana of Wagadou Kingdom (1087-1090s)
  2. Suleiman, Ghana of Wagadou Kingdom (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, Byzantine emperor (1081-1118)
• China (Northern Song Dynasty) - Zhezong, Emperor of Song China (1085-1100)
• Damascus - Tutush I, emir of Damascus (1079-1095)
• Georgia - David IV, King of Georgia (1089-1125)
• Ghaznavid Empire - Zahir ud-Dalah Ibrahim, Ghaznavid emperor (1059-1099)
• Great Seljuk -
  • Jalal ad-Dawlah Malik Shah I, Seljuk sultan (1072-1092)
  • Nasir ad-Din Mahmud I, Seljuk sultan (1092-1094)
• Japan -
  • Monarch - Emperor Horikawa, emperor of Japan (1087-1107)
  • Regent (Kampaku) - Fujiwara no Morozane, Kampaku 1091-1094)
  • Cloistered ruler - Emperor Shirakawa, Jōkō of Japan (1087-1129)
• Kerman - Turan Shah I, Sultan of Kerman (1084-1096)
• Korea (Goryeo Dynasty) - Seonjong, King of Goryeo (1083-1094)
• Liao (Khitan Empire) - Daozong, Emperor of Liao (1055-1101)
• Rüm - Kilij Arslan I, Sultan of Rüm (1092-1107)
• Thailand - Praya Thamikaraj, King of Thailand (1056-1107)
• Vietnam - Ly Nhon Ton, King of Vietnam (1072-1127)
• Western Xia - Chongzong, Emperor of Western Xia (1086-1139)

Europe

• Alpuente -
  • Ahmed Adad ed Dawlah, rule of Alpuente (?-1092)
  • Abdallah II Chanah ed Dawlah, ruler of Alpuente (1092-1103)
• Angouleme - William III, Count of Angouleme (1089-1118)
• Anjou - Fulk IV, Count of Anjou, (1067-1109)
• Apulia - Roger Borsa, Duke of Apulia (1085-1111)
• Aquitaine - William IX, Duke of Aquitaine (1086-1127)
• Aragon - Sancho I, King of Aragon (1063-1094)
• Austria - Leopold II Margrave of Austria (1075-1095)
• Auvergne - Robert II, Count of Auvergne (1064-1096)
• Baden - Herman II, Margrave of Baden (1073-1130)
• Barcelona - Ramon Berenguer III, Count of Barcelona (1082-1131)
• Barrois -
  • Sophie of Bar, Countess of Bar (1033-1092)
  • Thierry II of Bar, Count of Bar (1092-1105)
• Bavaria - Welf I, Duke of Bavaria (1070-1101)
• Blois - Stephen, Count of Blois (1089-1102)
• Bohemia -
  • Vratislav II of Bohemia, Duke of Bohemia (1061-1092; king, 1085-1092)
  • Konrad I, Duke of Bohemia (1092)
  • Bretislav II, Duke of Bohemia (1092-1100)
• Boulogne - Eustace II, Count of Boulogne (1049-1093)
• Brittany - Alan IV, Duke of Brittany (1084-1112)
• Burgundy - Eudes I, Duke of Burgundy (1079–1103)
• Byzantine Empire - Alexios I Komnenos (Αλέξιος Α' Κομνηνός) Byzantine Emperor (1081 - 1118)
• Carinthia - Henry II, Duke of Carinthia (1090-1122)
• Castile - Alfonso VI, King of Castile (1071-1109)
• Champagne - Odo IV, Count of Champagne (1089-1092)
• Deheubarth - Rhys ap Tewdwr, Prince of Deheubarth (1078-1093)
• Denmark - Olaf I, King of Denmark (1086-1095)
• England - William II, King of England (1087-1100)
• Flanders - Robert I, Count of Flanders (1071-1093)
• France - Philip I, King of France (1060-1108)
• Gwynedd - Gruffydd ap Cynan, King of Gwynedd (1081-1137)
• Hainaut - Baldwin II, Count of Hainaut (1071-1098)
• Holy Roman Empire - Henry IV, Holy Roman Emperor (1056-1105)
• Hungary - Ladislaus I, King of Hungary (1077-1095)
• Ireland - Domhnall MacLochlainn, High King of Ireland (1083-1121)
• Isle of Man - Godfred IV, King of the Isle of Man and the Isles (1079-1095)
• Kyivan Rus' - Vsevolod, ruler of Kyivan Rus' (1078–1093)
• León - Alfonso VI, King of León (1065-1109)
• Lorraine - Thierry II, Duke of Lorraine (1070–1115)
• Lower Lorraine - Godfrey of Bouillon, Duke of Lower Lorraine (1087-1100)
• Maine - Robert, Count of Maine (1073-1096)
• Montferrat - William II, marquis of Montferrat (1084-c. 1101), with Rainier of Montferrat, (1084-c. 1136)
• Navarre - Sancho V, King of Navarre (1063-1094)
• Nitria - Lampert, Duke of Nitria (1077-1095)
• Normandy - Robert Curthose, Duke of Normandy (1087-1106)
• Norway - Olav Kyrre, King of Norway (1066-1093)
• Poitiers - William IX, Count of Poitiers (1086-1127)
• Poland - Władysław I Herman, Duke of Poland (1079-1102)
• Pomerania - Siemomsyl, Duke of Pomerania (1046-1106)
• Powys - Iorwerth ap Bleddyn, prince of Powys (1088-1103), with Cadwgan ap Bleddyn (1088-1111)
• Provence - Bertrand II, Countess of Provence (1063-1093)
• Savoy - Humbert II, Count of Savoy (1080-1103)
• Saxony - Magnus, Duke of Saxony (1072-1106)
• Scotland - Malcolm III, King of Scotland (1058-1093)
• Serbia - Konstantin Bodin, King of Serbia (1080-1101)
• Sicily - Roger I, Count of Sicily (1071-1101)
• Styria - Ottokar VI, Duke of Styria (1084-1122)
• Swabia - Frederick I, Duke of Swabia (1079-1105)
• Sweden - Ingold I, King of Sweden (1079-1080, 1087-1105)
• Toulouse - William IV, Count of Toulouse (c. 1061- c. 1093)
• Utrecht - Koenraad, Prince-Bishop of Utrecht (1076-1099)
• Venice - Vitale Faliero, Doge of Venice (1084-1096)
• West Friesland - Floris II, Count of West Friesland (1091–1121)
• Württemberg - Konrad I, Count of Württemberg (1089-1122)