List of state leaders in 908

907 state leaders – Events of 908 – 909 state leaders – State leaders by year

Africa

Asia

China (Five Dynasties and Ten Kingdoms Period) –
- Later Liang Dynasty – Taizu (Zhu Wen), King of Liang (901–907); Emperor of Later Liang (907–913)
- Chu – Ma Yin, King of Chu (907–930)
- Dingnan –
  1. Li Sijian, Dingnan Jiedushi (895–908)
  2. Li Yichang, Dingnan Jiedushi (908–909)
- Former Shu – Wang Jian – (Gaozu of Former Shu), Emperor of Former Shu (907–918)
- Fujian – Wang Shenzhi, Fujian Jiedushi (897–909)
- Jin –
  1. Li Keyong, King of Jin (895–908)
  2. Li Cunxu, King of Jin (908–923); Emperor of Later Tang (923–926)
- Jingnan – Gao Jixing, Jingnan Jiedushi (907–924); King of Nanping (924–928)
- Nanhai – Liu Yin, King of Nanhai (907–911)
- Qi – Li Maozhen, King of Qi (901–924)
- Wu –
  1. Yang Wo, King of Wu (905–908)
  2. Yang Longyan, King of Wu (908–921)
- Wuyue – Qian Liu, King of Wuyue (907–932)
- Yan (Lulong) – Liu Shouguang, Lulong Jiedushi (907–911); Emperor of Yan (911–913)
- Yiwu – Wang Chuzhi, Yiwu Jiedushi (900–921)
- Zhao (Chengde) – Wang Rong, Chengde Jiedushi (883–921)
Japan – Emperor Daigo, emperor of Japan (897–930)
Khitan Empire – Taizu, Khitan Emperor (907–926)
Khmer Empire – Yasovarman, King (899–910)
Korea (Later Three Kingdoms Period)
- Balhae - Dae Inseon, King of Balhae (906–926)
- Hubaekje – Gyeon Hwon, King of Hubaekje (900–935)
- Majin – Gung-ye, King of Later Goguryeo (901–904); King of Majin (904–911); King of Taebong (911–918)
- Silla – Hyogong, King of Silla (897–912)

Europe

Bulgaria - Simeon I, Knyaz of Bulgaria (893–927)
Upper Burgundy - Rudolph I, King of Upper Burgundy (888–912)
Byzantine Empire - Leo VI (886–912)
Caucasus
- Kingdom of Armenia - Smbat I (890–912)
- Kingdom of Iberia - Adarnase IV (888–923)
- Principality of Kakheti - Kvirike I, Prince of Kakheti (893–918)
- Klarjeti - David Mampali (900–943)
Littoral Croatia - Muncimir, Duke of Littoral Croatia (892–910)
England (Heptarchy) -
- Danelaw -
  - Kingdom of East Anglia - Guthrum II (902–916)
  - Northumbria - Eowils and Halfdan, Kings of Northumbria (902–910)
- Wessex - Edward the Elder, King of the Anglo-Saxons (899–924)
  - Mercia - Aethelred, Lord of the Mercians (c. 883–911)
East Francia - Louis the Child, King of East Francia (899–911)
- Bavaria - Arnulf, Margrave of Bavaria (907–937)
- Duchy of Bohemia - Spytihněv I (894–915)
- Duchy of Franconia - Conrad I (906–918)
- Lotharingia - Louis the Child, King of Lotharingia (900–911)
  - County of Frisia - Dirk I (c. 896–923)
  - County of Hainault -
    1. Sigard (898–908)
    2. Reginar I (908–915)
  - Duchy of Lotharingia - Gebhard (903–910)
- March of Pannonia - Aribo of Austria (871–909)
- Duchy of Saxony - Otto the Illustrious (880–912)
- Thuringia - Burchard, Duke of Thuringia (906–908)
West Francia - Charles the Simple, King of West Francia (898–922)
- County of Angoulême - Alduin I (886–916)
- County of Anjou - Fulk I, Count of Anjou (898–942)
- Aquitaine - William I, Duke of Aquitaine (893–918)
- Duchy of Brittany -
- Duchy of Burgundy - Richard the Justiciar (898–921)
- County of Flanders - Baldwin II (879–918)
- County of Maine - Hugh I (900–950)
- County of Paris - Robert I (888–923)
- County of Toulouse - Odo (886–918)
- Tours - Robert I, Count of Tours (888–922)
- County of Vermandois - Herbert II, Count of Vermandois (907–943)
Gascony - Gassia II, Duke of Gascony (893–c. 930)
Hungarian tribal federation - Zoltán, Grand Prince of the Magyars (c. 907–c. 948)
Ireland - Flann Sinna, High King of Ireland (879–916)
- Ailech - Niall Glúndub, King of Ailech (896–919)
- Connacht - Cathal mac Conchobair, King of Connacht (900–925)
- Uí Maine - Sochlachan mac Diarmata, King of Uí Maine (904–909)
- Leinster - Cerball mac Muirecáin, King of Leinster (885–909)
- Kingdom of Mide - Flann Sinna (877–916)
- Munster - Cormac mac Cuilennáin, King of Munster (902–908)
Italy - Berengar, King of Italy (887–924)
- Principality of Benevento - Atenulf I (900–910)
- County of Capua - Atenulf I (887–910)
- Duchy of Gaeta - John I, Hypatus of Gaeta (906–933)
- March of Ivrea - Adalbert I (902–923)
- Duchy of Naples - Gregory IV (898–915)
- Papal States - Pope Sergius III (904–911)
- Principality of Salerno - Guaimar II (901–946)
- Duchy of Spoleto - Alberic I (897–922)
- March of Tuscany - Adalbert II (886–915)
- Republic of Venice - Pietro Tribuno, Doge of Venice (887–912)
Kievan Rus' - Oleg of Novgorod, Prince of Kiev (882–912)
Norway - Harald I Fairhair, King of Norway (872–930)
Novgorod - Oleg, Prince of Novgorod (879–912)
Kingdom of Provence -
- Louis the Blind (887–928)
- Hugh, count of Arles, Regent (905–928)
Kingdom of Alba (Scotland) - Constantine II, King of Alba (900–943)
Serbia - Petar Gojniković, Knez of Serbia (892–917)
Spain -
- County of Aragon - Galindo Aznárez II (893–922)
- Kingdom of Asturias - Alfonso III (866–910)
- County of Barcelona - Wilfred II Borrel (897–911)
- Caliphate of Córdoba - Abdallah ibn Muhammad (888–912)
- County of Pallars - Raymond I (872–920)
- Kingdom of Pamplona - Sancho I (905–925)
- County of Ribagorza - Raymond I (872–920)
Wales -
- Kingdom of Dyfed - Hywel Dda (905–909)
- Kingdom of Gwynedd - Anarawd ap Rhodri (878–916)
- Kingdom of Powys - Llywelyn ap Merfyn (900–942)
- Kingdom of Seisyllwg - Cadell ap Rhodri (878–909)