List of state leaders in 891

This is a list of heads of state, heads of governments, and other rulers in the year 891.

Asia

• China (Tang dynasty) – Emperor Zhaozong (888–904)
• Japan (Heian period) – Emperor Uda (887–897)
• Korea (North South States Period)
  • Balhae – Dae Hyeonseok (871–893)
  • Unified Silla – Jinseong (887–897)

Europe

• First Bulgarian Empire – Vladimir, Knyaz of Bulgaria (889–893)
• Kingdom of Upper Burgundy – Rudolph I (888–912)
• Byzantine Empire – Leo VI (886–912)
• Caucasus
  • Bagratuni Kingdom of Armenia – Smbat I (890–912)
  • Principality of Iberia – Gurgen I Mampali (881–891), disputed by Adarnase IV (888–923)
  • Principality of Kakheti – Padla I (881–893)
  • Klarjeti – Bagrat I Mampali (889–900)
• Duchy of Croatia – Branimir (878–892)
• England (Heptarchy) –
  • Danelaw –
    • Kingdom of East Anglia – Eohric (890–902)
    • Kingdom of Northumbria – Guthred (878–895)
  • Kingdom of Wessex – Alfred the Great (871–899)
    • Kingdom of Mercia – Æthelred, Lord of the Mercians (c. 883–911)
• East Francia – Arnulf of Carinthia (887–899)
  • Bavaria – Engeldeo (c. 890–895)
  • County of Frisia – Gerolf (c. 885–895/896)
  • March of Pannonia – Aribo of Austria (871–909)
  • Duchy of Saxony – Otto the Illustrious (880–912)
  • Duchy of Thuringia – Poppo (880–892)
• West Francia – Odo (888–898)
  • County of Angoulême – Alduin I (886–916)
  • Duchy of Aquitaine – Ebalus (890–893)
  • County of Autun – Richard the Justiciar (880–921)
  • County of Auvergne – William I (886–918)
  • County of Barcelona – Wilfred the Hairy (878–897)
  • Duchy of Brittany – Alan I (876–907)
  • County of Flanders – Baldwin II (879–918)
  • County of Hainaut – Reginar I (c. 880–898)
  • County of Maine – Ragenold of Neustria (885–893)
  • March of Neustria – Berengar II (886–896)
  • County of Paris – Robert I (888–923)
  • County of Toulouse – Odo (886–918)
  • County of Tours – Robert I (888–922)
  • County of Troyes – Adalelm (886–894)
  • County of Urgell – Wilfred the Hairy (870–897)
• Duchy of Gascony – Sans III Mitarra (864–893)
• Ireland – Flann Sinna, High King of Ireland (879–916)
  • Kingdom of Ailech – Flaithbertach mac Murchado (887–896)
  • Kingdom of Connacht – Tadg mac Conchobair (888–900)
  • Uí Maine –
  • Kingdom of Leinster – Cerball mac Muirecáin (885–909)
  • Kingdom of Mide – Flann Sinna (877–916)
  • Kingdom of Munster – Dub Lachtna mac Máele Gualae (888–895)
  • Kingdom of Ulaid – Bécc mac Airemóin (886–893)
• Kingdom of Italy – Berengar, King of Italy (887–924), disputed by Guy of Spoleto, King of Italy (888–894) and Holy Roman Emperor (891–894)
  • Principality of Benevento –
    1. Aiulf II (884–891)
    2. Ursus (891–892)
  • County of Capua – Atenulf I (887–910)
  • March of Friuli – Walfred (890–896)
  • Duchy of Gaeta – Docibilis I, Hypatus of Gaeta (866–906)
  • March of Ivrea – Anscar I of Ivrea (888–902)
  • Duchy of Naples – Athanasius (877–898)
  • Papal States –
    1. Pope Stephen V (885–891)
    2. Pope Formosus (891–896)
  • Principality of Salerno – Guaimar I (880–901)
  • Duchy of Spoleto – Guy IV (889–897)
  • March of Tuscany – Adalbert II (886–915)
  • Republic of Venice – Pietro Tribuno, Doge of Venice (887–912)
• Kievan Rus' – Oleg of Novgorod (882–912)
• Great Moravia – Svatopluk I (870–894)
  • Duchy of Bohemia –
• Kingdom of Norway – Harald Fairhair (872–930)
• Novgorod – Oleg, Prince of Novgorod (879–912)
• Kingdom of Provence – Louis the Blind (887–928)
• Kingdom of Alba (Scotland) – Donald II (889–900)
• Principality of Serbia –
  1. Mutimir, Knez of Serbia (850–891)
  2. Pribislav, Knez of Serbia (891–892)
• Spain –
  • County of Aragon – Aznar Galíndez II (867–893)
  • Kingdom of Asturias – Alfonso III (866–910)
  • Emirate of Córdoba – Abdullah ibn Muhammad al-Umawi (888–912)
  • County of Pallars – Raymond I (872–920)
  • Kingdom of Pamplona – Fortún Garcés (882–905)
  • County of Ribagorza – Raymond I (872–920)
• Wales –
  • Kingdom of Gwynedd – Anarawd ap Rhodri (878–916)
  • Kingdom of Powys – Merfyn ap Rhodri (878–900)
  • Kingdom of Seisyllwg – Cadell ap Rhodri (878–909)

Middle East

• Byzantine Empire – Leo VI the Wise (886–912)
• Tulunids (Egypt and Syria) – Khumarawayh ibn Ahmad ibn Tulun (884–896)