List of state leaders in 284

This is a list of heads of state, government leaders, and other rulers in the year 284.

Africa

• Kush - Yesbokheamani, King of Kush (283–300)

Asia

• Armenia - Sassanid Kingship (252-287)
• China (Western Jin Dynasty) - Emperor Wu, Emperor of China (265–290)
• 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 - Goi, King of Baekje (234–286)
  • Goguryeo - Seocheon, King of Goguryeo (270–292)
  • Silla -
    1. Michu, King of Silla (262–284)
    2. Yurye, King of Silla (284–298)

Europe

• Ireland
  • Cairbre Lifechair, High King of Ireland (267–284)
  • Fothad Cairpthech and Fothad Airgthech, joint High Kings of Ireland (284–285)
• Roman Empire
  • Marcus Aurelius Carinus, Roman Emperor (283–285)
  • Marcus Aurelius Numerianus, Roman Emperor (283–284)
  • Gaius Aurelius Valerius Diocletianus, Roman Emperor (284–305)

Middle East

• Persia (Sassanid Dynasty) - Bahram II, Great King of Persia (276–293)