List of state leaders in 617

Africa

Chalukyas - Pulakesi II, Chalukya ruler (609–642)
China (Sui Dynasty)
1. Emperor Yang of Sui, Emperor of China (604–618)
2. Emperor Gong of Sui, Emperor of China (617–618)
- Li Yuan declares Emperor Yang's grandson Yang You emperor, as competing claimant for the Sui throne.
Japan (Asuka Period) - Suiko, Empress of Japan (593–628)
Korea (Three Kingdoms) -
- Baekje - Mu, King of Baekje (600–641)
- Goguryeo - Yeongyang, King of Goguryeo (590–618)
- Silla - Jinpyeong, King of Silla (579–632)
Turkic Khaganate
- Eastern Turkic Khaganate - Shibi Khan (609–619)
- Western Turkic Khaganate - Shekuei Khan (611–618)

Avars -
- Bayan II, Avar Khagan (602–617)
- Organa, Avar Khagan (617–630)
Byzantine Empire - Heraclius (610–641)
England (Heptarchy) - Raedwald of East Anglia, Bretwalda
- Kingdom of East Anglia - Raedwald of East Anglia (593–624)
- Kingdom of Essex -
  - Sexred, joint (616–617)
  - Saeward, joint (616–617)
  - Sigeberht I (617–653)
- Kingdom of Kent - Eadbald (616–640)
- Northumbria - Edwin, King of Northumbria (616–632)
- Wessex - Cynegils, King of Wessex (611–643)
Frankish Empire - Clotaire II, King of the Franks (613–629)
Lombard Kingdom - Adaloald (616–626)
Scotland
- Dál Riata - Eochaid Buide, King of Dál Riata (608–629)
- Kingdom of Strathclyde -
  - Constantine (612–617)
  - Neithon (617–621)
Visigothic Kingdom - Sisebur (612–621)
Wales -
- Kingdom of Gwynedd - Cadfan ap Iago (613-c.625)