List of state leaders in 885

884 state leaders - Events of 885 - 886 state leaders - State leaders by year

Asia

China (Tang Dynasty) - Xizong, Emperor of Tang China (873–888)
Japan - Emperor Kōkō, Emperor of Japan (884–887)
Korea (North South States Period)
- Balhae - Dae Hyeonseok, King of Balhae (871–893)
- Silla - Heongang, King of Silla (875–886)

Europe

Bulgaria - Boris I, Knyaz of Bulgaria (852–889)
Byzantine Empire - Basil I (867–886)
Caucasus
- Kingdom of Armenia - Ashot I (885–890)
- Principate of Iberia - Gurgen I Mampali (881–891)
- Principality of Kakheti - Padla I, Prince of Kakheti (881–893)
- Klarjeti - Sumbat I Mampali, Prince of Klarjeti (c. 870–889)
Littoral Croatia - Branimir, Duke of Littoral Croatia (878–892)
England (Heptarchy) -
- Danelaw - Guthrum, King of the Danish Vikings (c. 874–c. 890)
  - Kingdom of East Anglia - Guthrum (879–890)
  - Northumbria - Guthred, King of Northumbria (878–895)
- Wessex - Alfred the Great, King of Wessex (871–899)
  - Mercia - Aethelred, Lord of the Mercians (c. 883–911)
East Francia - Charles the Fat, King of East Francia (882–887) and Holy Roman Emperor (881–888)
- Duchy of Alsace - Hugh, Duke of Alsace (867–885)
- County of Frisia - Gerolf (c. 885–895/896)
- March of Pannonia - Aribo of Austria (871–909)
- Duchy of Saxony - Otto the Illustrious (880–912)
- Thuringia - Poppo, Duke of Thuringia (880–892)
West Francia - Charles the Fat, King of West Francia (884–888) and Holy Roman Emperor (881–888)
- County of Angoulême - Wulgrin I (866–886)
- County of Autun - Richard the Justiciar (880–921)
- County of Auvergne - Bernard II (872–886)
- County of Auxerre - Hugh the Abbot (876–886)
- County of Barcelona - Wilfred the Hairy (878–897)
- Duchy of Brittany - Two opposing claimants:
  - Judicael (876–888/889)
  - Alan I (876–907)
- County of Flanders - Baldwin II (879–918)
- County of Hainault - Reginar I (c. 880–898)
- County of Maine -
  1. Ragenold (878–885)
  2. Roger (885–893)
- March of Neustria -
  1. Ragenold (878–885)
  2. Henry of Franconia (884–886)
- County of Paris - Odo (882/883–888)
- Poitiers - Ranulf II of Aquitaine, Count of Poitiers (877–890)
- County of Toulouse - Bernard Plantapilosa (877–886)
- Tours - Hugh the Abbot, Count of Tours (866–886)
- Troyes - Robert I, Count of Troyes (876–886)
- County of Urgell - Wilfred the Hairy (870–897)
Gascony - Sans III Mitarra, Duke of Gascony (864–893)
Ireland - Flann Sinna, High King of Ireland (879–916)
- Ailech - Murchad mac Máele Dúin, King of Ailech (879–887)
- Connacht - Áed mac Conchobair, King of Connacht (882–888)
- Uí Maine -
- Leinster -
  1. Muiredach mac Brain, King of Leinster (884–885)
  2. Cerball mac Muirecáin, King of Leinster (885–909)
- Kingdom of Mide - Flann Sinna (877–916)
- Munster - Dúnchad mac Duib-dá-Bairenn, King of Munster (872–888)
- Kingdom of Osraige - Cerball mac Dúnlainge (842–888)
- Ulaid - Airemón mac Áedo, King of Ulaid (882–886)
Italy - Charles the Fat, King of Italy (879–887) and Holy Roman Emperor (881–888)
- Principality of Benevento - Aiulf II (884–891)
- County of Capua -
  1. Lando III, Count of Capua (882–885)
  2. Landenulf I, Count of Capua (885–887)
- March of Friuli - Berengar (874–890)
- Duchy of Gaeta - Docibilis I, Hypatus of Gaeta (866–906)
- Duchy of Naples - Athanasius (877–898)
- Papal States -
  1. Pope Adrian III (884–885)
  2. Pope Stephen V (885–891)
- Principality of Salerno - Guaimar I (880–901)
- Duchy of Spoleto - Guy III (883–889)
- March of Tuscany - Adalbert I (847–886)
- Republic of Venice - Giovanni II Participazio, Doge of Venice (881–887)
Kievan Rus' - Oleg of Novgorod, Prince of Kiev (882–912)
Great Moravia - Svatopluk I, King of Great Moravia (870–894)
- Duchy of Bohemia - Borivoj I (c. 870–c. 889)
Norway - Harald I Fairhair, King of Norway (872–930)
Novgorod - Oleg, Prince of Novgorod (879–912)
Kingdom of Provence - Boso (879–887)
Scotland - Giric, King of the Picts (878–889), possibly together with Eochaid, King of the Picts (878–889)
Serbia - Mutimir, Grand Zhupan of Serbia (850–891)
Spain -
- County of Aragon - Aznar Galíndez II (867–893)
- Kingdom of Asturias - Alfonso III (866–910)
  - County of Castile - Diego Rodríguez Porcelos (872–c. 885)
- Caliphate of Córdoba - Muhammad I (852–886)
- 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 - Basil I the Macedonian (Βασίλειος Α') (867–886)