List of state leaders in 939

938 state leaders - Events of 939 - 940 state leaders - State leaders by year-----

Africa

*Ifriqiya - Muhammad al-Qa'im Bi-Amrillah, Fatimid Caliph (934-946)

Asia

*Byzantine Empire
**Constantine VII, Byzantine Emperor (913-959)
**Romanus I, Byzantine Emperor (919-943)
*China (Five Dynasties and Ten Kingdoms Period) -
** Later Jin Dynasty - Gaozu, Emperor of Later Jin (936-942)
** Chu - Ma Xifan, King of Chu (932-947)
** Dingnan - Li Yixing, Dingnan Jiedushi (935-967)
** Jingnan (Nanping) - Gao Conghui, King of Nanping (928-948)
** Later Shu - Meng Chang, Emperor of Later Shu (934-965)
** Min -
**#Wang Jipeng, Emperor of Min (935-939)
**#Wang Yanxi, Emperor of Min (939-944)
** Southern Han - Liu Yan, Emperor of Southern Han (917-941)
** Southern Tang - Liezu, Emperor of Southern Tang (937-943)
** Wuyue - Qian Yuanguan, King of Wuyue (932-941)
*Japan -
**Monarch - Emperor Suzaku, emperor of Japan (930-946)
**Regent (Sessho) - Fujiwara no Tadahira, Sessho (930-941); Kampaku (941-949)
*Khitan Empire - Taizong, Khitan Emperor (926-947)
*Korea (Goryeo Dynasty) - Taejo, King of Goryeo (918-943)

Europe

*Al-Andalus - Abd-ar-rahman III, Caliph of Cordoba (929-961)
*Benevento - Landulf I, Prince of Benevento (910-943)
*Bohemia - Boleslav I, Duke of Bohemia (935-972)
*Bulgaria - Peter I, Tsar of Bulgaria (927-969)
*Byzantine Empire
**Constantine VII, Byzantine Emperor (913-959)
**Romanus I, Byzantine Emperor (919-943)
*Denmark - Harthacnut, King of Denmark (c.917-c.948)
*England
*#Athelstan, King of England (924-939)
*#Edmund I, King of England (939-946)
*Germany - Otto I, King of Germany (936-973)
**Bavaria - Bertold, Duke of Bavaria (938-947)
**Franconia - Conrad the Red. Duke of Franconia (935-955)
**Swabia - Hermann I, Duke of Swabia (926-949)
*Italy - Hugh of Arles, King of Italy (924-947)
*Kievan Rus - Igor, Grand Prince of Kiev (912-945)
*Leon - Ramiro II, King of Leon (931-951)
*Norway - Haakon I The Good, King of Norway (934-961)
*Papal States
**Leo VII, Pope (936-939)
**Stephen VIII, Pope (939-942)
*Rome - Alberic II, Duke of Spoleto and ruler of Rome (932-954)
*Scotland - Constantine II, King of Scotland (900-943)
*Venice
**Pietro II Candiano, Doge of Venice (932-939)
**Pietro Participazio, Doge of Venice (939-942)
*Western Francia - Louis IV, King of Western Francia (936-954)
**Anjou - Fulk I, Count of Anjou (898-941)
**Aquitaine - William III Towhead, Duke of Aquitaine (935-963)
**Burgundy - Hugh the Black, Duke of Burgundy (923-952)
**Flanders - Arnulf I, Count of Flanders (918-964)
**Gascony - Gassia IV Sans, Duke of Gascony (c.930-?)
**Normandy - William Longsword, Duke of Normandy (927-942)
**Toulouse - Raymond III. Count of Toulouse (924-950)

Middle East

*Abbasid Caliphate - Ar-Radi, Abbasid Caliph (934-940)
*Byzantine Empire
**Constantine VII, Byzantine Emperor (913-959)
**Romanus I, Byzantine Emperor (919-943)