List of state leaders in 299

This is a list of heads of state, government leaders, and other rulers in the year 299.

Africa

• Axum – Ella Amida, King of Axum (?-c.320)
• Kush - Yesbokheamani, King of Kush (283–300)

Asia

• Armenia - Tiridates III, King of Armenia (287–330)
• China (Western Jin Dynasty) - Emperor Hui, Emperor of China (290–307)
• Gupta Empire – Ghatotkacha, Gupta Emperor of India (280–319)
• Japan (Ancient period) - Emperor Ōjin, emperor of Japan (c.270-c.310)
• Korea (Three Kingdoms Period)
  • Baekje - Bunseo, King of Baekje (298–304)
  • Goguryeo - Bongsang, King of Goguryeo (292–300)
  • Silla - Girim, King of Silla (298–310)
• Kushan Empire – Vasudeva II, Emperor of the Kushans (c.290–310)
• Western Kshatrapas - Vishwasen, King of the Western Kshatrapas (294–304)

Europe

• Ireland - Fiacha Sraibhtine, High King of Ireland (285–322)
• Western Roman Empire (Tetrarchy)
  • Marcus Aurelius Valerius Maximianus, Western Augustus (286–305)
  • Gaius Flavius Valerius Constantius, Western Caesar/Consul (293–306)

Middle East

• Eastern Roman Empire (Tetrarchy)
  • Gaius Aurelius Valerius Diocletianus, Eastern Augustus (284–305)
  • Gaius Galerius Valerius Maximianus, Eastern Caesar/Consul (293–311)
• Persia (Sassanid Dynasty) - Narseh, Great King of Persia (293–302)