List of state leaders in 948
947 state leaders – Events of 948 – 949 state leaders – State leaders by year
Africa
Americas
Asia
- Byzantine Empire – Constantine VII (913–959)
- China (Five Dynasties and Ten Kingdoms Period) –
- Later Han Dynasty –
- Gaozu, Emperor of Later Han (947–948)
- Emperor Yin, Emperor of Later Han (948–950)
- Chu – Ma Xiguang, King of Chu (947–950)
- Dingnan – Li Yixing, Dingnan Jiedushi (935–967)
- Jingnan (Nanping) –
- Gao Conghui, King of Nanping (928–948)
- Gao Baorong, King of Nanping (948–960)
- Later Shu – Meng Chang, Emperor of Later Shu (938–965)
- Qingyuan – Liu Congxiao, Qingyuan Jiedushi (945–962)
- Southern Han – Liu Sheng, Emperor of Southern Han (943–958)
- Southern Tang – Yuanzong, Emperor of Southern Tang (943–958); Ruler of Southern Tang (958–961)
- Wuyue – Qian Chu, King of Wuyue (947–978)
- Japan –
- Korea (Goryeo Dynasty) – Jeongjong, King of Goryeo (945–949)
- Liao (Khitan Empire) – Shizong, Emperor of Liao (947–951)
Europe
- Bulgaria - Peter I, Tsar of Bulgaria (927–969)
- Kingdom of Burgundy - Conrad the Peaceful (937–993)
- Byzantine Empire - Constantine VII (913–959)
- Caucasus
- Kingdom of Croatia - Miroslav (945–949)
- Kingdom of Denmark - Gorm the Old (c. 936–c. 958)
- Kingdom of England - Eadred (946–955)
- West Francia - Louis IV, King of West Francia (936–954)
- Gascony - Sancho IV, Duke of Gascony (930–950/955)
- Kingdom of Germany - Otto I the Great, King of the Germans (936–973)
- Hungarian tribal federation -
- Zoltán, Grand Prince of the Magyars (c. 907–c. 948)
- Fajsz, Grand Prince of the Magyars (c. 948)
- Ireland - Congalach Cnogba, High King of Ireland (944–956)
- Italy - Lothair II of Arles, King of Italy (947–950)
- Kievan Rus' -
- Norway - Haakon I the Good, King of Norway (934–961)
- Kingdom of Alba (Scotland) - Malcolm I, King of Alba (943–954)
- Serbia - Časlav Klonimirović, Zhupan of Serbia (927–960)
- Spain -
- Wales -
Middle East