List of state leaders in 1090

This is a list of heads of state, government leaders, and other rulers in the year 1090.

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

• Armenian Kingdom of Cilicia - Ruben I, Prince of Armenia (1080–1095)
• Byzantine Empire - Alexios I Komnenos (Αλέξιος Α' Κομνηνός) (1081–1118)
• China (Northern Song dynasty) - Emperor Zhezong (1085–1100)
• Japan (Heian period) -
  • Monarch - Emperor Horikawa (1087–1107)
  • Regent (Sesshō) - Fujiwara no Morozane, Sesshō (1087–1091) or Kampaku (1075–1087; 1091–1094)
  • Cloistered ruler - Emperor Shirakawa, Jōkō of Japan (1087–1129)
• Korea (Goryeo Kingdom) - Seonjong (1083–1094)
• Liao (Khitan Empire) - Emperor Daozong (1055–1101)
• Seljuq Empire- Malik-Shah I (1072–1092)
• Western Xia - Emperor Chongzong (1086–1139)
• Persia - Melek Sha Leader of the Buyid dynasty

Europe

• Byzantine Empire - Alexios I Komnenos (1081–1118)
• Kingdom of Croatia - Stjepan II of Croatia (1089–1091)
• Kingdom of England - William II (1087–1100)
• Kingdom of France - Philip I (1060–1108)
• Holy Roman Empire - Henry IV, King of the Romans (1056–1087), Holy Roman Emperor (1084–1105)
  • West Friesland - Dirk V, Count of West Friesland (1061–1091)
• Duchy of Poland - Władysław I Herman (1079–1102)
• Kingdom of Scotland - Malcolm III (1058–1093)
• Norman Kingdom of Naples - Roberto
• Norman Kingdom of Sicily - Roger I
• Kingdom of Aragon - Sancho Ramírez
• Kingdom of Castile - Alfonso VI
• Kingdom of Norway - Olaf III
• Kingdom of Denmark - Olaf I
• Kingdom of Sweden - Inge the Elder
• Kievan Rus' - Vsievolod I
• Kingdom of Poland - Władysław I Herman, Duke of Poland
• Kingdom of Hungary - Ladislao I