List of heads of state 1098

Africa

Hammadids (in eastern Algeria)
- Ruler : al-Mansur ibn an-Nasir (1088–1104)

China
- Liao (in North China)
  - Emperor : Liao Daozong (1055–1101)
- Northern song
  - Emperor : Zhezong (1085–1100)
- Xi Xia
  - Emperor : Chóngzōng (1086–1139)

India
- Western Chalukya (in the West Indies)
  - King : Vikramaditya II. (1076–1127)
- Chola (in South India)
  - King : Kulothunga Chola I. (1070–1119)
- Hoysala (in today's Karnataka)
  - King : Vinayaditya (1047–1108)
- Cashmere ( Lohara Dynasty )
  - King : Harsha (1089–1101)

Crusader States
- Principality of Antioch
  - Prince : Bohemond I (1098–1111) (1085–1111 Prince of Taranto)
- Edessa county
  - Count : Baldwin I (1098–1100) (1100–1118 King of Jerusalem)

Seljuks Empire
- Great Seljuks
  - Sultan : Berk-Yaruq (1094–1105)
- Kirman Seljuks
  - Sultan : Iran Shah (1096–1101)
- Rum Seljuks
  - Sultan : Kılıç Arslan I (1092–1107)
- Syrian Seljuks in Aleppo
  - Sultan : Radwan (1095–1113)
- Syrian Seljuks in Damascus
  - Sultan : Duqaq (1095-1104)

France
- King : Philip I (1060–1108)
- Anjou
  - Count : Fulko IV. (1068–1109)
- Aquitaine
  - Duke : Wilhelm IX. (1086-1127)
- Auvergne
  - Count : Wilhelm VI. (1096–1136)
- Brittany
  - Duke : Alain IV. (1084–1112)
- Burgundy (Duchy)
  - Duke : Odo I (1078–1102)
- Burgundy (Free County)
  - Count Palatine : Wilhelm II. (1097–1125)
- Maine
  - Count : Elie I. (1093–1110)
- Normandy
  - Duke : Robert II (1087–1106) (1063–1069 Earl of Maine)
- Toulouse county
  - Count : Raimund IV. (1094–1105) (1102–1105 Count of Tripoli)

Holy Roman Empire
- Roman-German king : Heinrich IV. (1056–1105) (from 1084 emperor )
- Bavaria
  - Duke : Welf I. ( 1070-1077 , 1096-1101)
- Bohemia
  - Duke : Břetislav II (1092–1100)
- Brabant
  - Landgrave : Gottfried I (1095–1139) (1106–1128 Duke of Lower Lorraine)
- Flanders
  - Count : Robert II (1093–1111)
- Funds
  - Count : Gerhard I. (1096–1129)
- Hainaut
  - Count : Baldwin II. (1071-1098)
  - Count: Balduin III. (1098–1120)
- Holland
  - Count : Florens II (1091–1121)
- Jülich
  - Count : Gerhard I. (III.) (1081–1114)
- Carinthia
  - Duke : Heinrich III. (1090–1122)
- Lausitz
  - Margrave : Heinrich I (1081–1103) (1089–1103 Margrave of Meissen)
- Luxembourg
  - Count : Wilhelm (1096–1129)
- Meissen
  - Margrave : Heinrich I (1089–1103) (1081–1103 Margrave of Lusatia)
- Lower Lorraine
  - Duke : Gottfried V (1087–1100) (1099–1100 regent of Jerusalem)
- Upper Lorraine
  - Duke : Dietrich II. (1070–1115)
- Saxony
  - Duke : Magnus (1072–1106)
- Swabia
  - Duke : Friedrich I. (1079–1105)

Italy
- Apulia
  - Duke : Roger Borsa (1085–1101)
- Capua
  - Prince : Richard II. (1091–1106)
- Papal States
  - Pope : Urban II (1088-1099)
- Montferrat
  - Margrave : Wilhelm IV. (1084–1101)
- Naples
  - Duke : Sergius VI. (1082-1097 / 1107)
  - Duke: John VI. (1097 / 1107–1120 / 23)
- Principality of Taranto
  - Prince : Bohemond I (1085–1111) (1098–1111 Prince of Antioch)
- Tuscany
  - Margravine : Mathilde ( 1052–1056 , 1069–1115)
- Venice
  - Doge : Vitale Michiel I (1096–1102)

Spain
- Aragon
  - King : Peter I (1094–1104) (1094–1104 King of Navarre)
- Barcelona
  - Count : Raimund Berengar III. (1096 / 97–1131)
- Castile
  - King : Alfonso VI. (1072–1109) (1073–1109 King of Galicia), (1065–1072, 1072–1109 King of León)
- Leon
  - King : Alfonso VI. ( 1065–1072 , 1072–1109) (1073–1109 King of Galicia), (1072–1109 King of Castile)
- Navarre
  - King : Peter I (1094–1104) (1094–1104 King of Aragón)

Zeta (in present-day Montenegro)
- Prince : Konstantin Bodin (around 1082 – around 1102)