List of state leaders in 655

654 state leaders - Events of 655 - 656 state leaders - State leaders by year----------

Africa

America

Asia

*China (Tang Dynasty) - Gaozong, Emperor of China (650-683)
*Japan (Asuka Period) - Saimei, Empress of Japan (655-661)
*Korea (Three Kingdoms) -
**Baekje - Uija, King of Baekje (641-660)
**Goguryeo - Bojang, King of Goguryeo (642-668)
**Silla - Muyeol, King of Silla (654-661)

Europe

*Avars - Avar Khagan (617–665)
*England (Heptarchy) - Oswiu of Northumbria, Bretwalda
**East Anglia
***Aethelhere, King of East Anglia (654-655)
***Aethelwold, King of East Anglia (655-664)
**Essex - Sigeberht II, King of Essex (653-660)
**Kent - Eorcenberht, King of Kent (640-666)
**Mercia
***Penda, King of Mercia (c.626-655)
***Peada, King of Mercia (655-656)
**Northumbria
***Bernicia - Oswiu, King of Bernicia (642-670)
***Deira
****Aethelwald, King of Deira (651-655)
****Alchfrith, King of Deira (655-664)
**Sussex - unknown ruler
**Wessex - Cenwalh, King of Wessex (648-674)
*Franks (Merovingian Dynasty)
**Neustria - Clovis II, King of Neustria (639-658)
**Austrasia - Sigebert III, King of Austrasia (635-660)
*Great Bulgaria - Khan Kubrat, (632-668)
*Lombard Kingdom - Aripert I, King of the Lombards (653-661)
*Scotland
**Dalriada - Conall Crandomna, King of Dál Riata (650-660)
**Strathclyde - Gwriad, King of Strathclyde (645-658)
*Visigothic Kingdom - Reccesuinth, King of the Visigoths (649-672)

Middle East

*Caliphate - Uthman ibn Affan, Caliph (644-656)
*Byzantine Empire - Constans II, Byzantine Emperor (641-668)

Middle East