List of state leaders in 278

This is a list of heads of state, government leaders, and other rulers in the year 278.

Africa

• Axum - Endubis, King of Axum (c.270-c.300)
• Kush - Malegorobar, King of Kush (266-283)

Asia

• Bactria and Gandhara - Hormizd I, Kushanshah (c. 265-295)
• Baekje - Goi, King of Baekje (234-286)
• Chera - Perumkadungo, King of Chera (257-287)
• China - Jin Wu di, Emperor of Jin China (265-290)
  • Wu - Sun Hao, Emperor of Wu (264-280)
• Gaya - Mapum, King of Gaya (259-291)
• Goguryeo - Seocheon, King of Goguryeo (270-292)
• Gupta Empire - Maharaja Sri-Gupta, King of the Gupta Empire (240-280)
• Iberia - Asphagur I, King of Iberia (265-284)
• Kushan Empire - Kanishka III, King of the Kushans (255-275)
• Persia - Bahram II of Persia, King of Persia (276-293)
• Armenia - Sassanid Kingship (252-287)
• Silla - Michu, King of Silla (262-284)
• Tuoba -
  1. Tuoba Liwei, Chieftain of the Tuoba clan (219-277)
  2. Tuoba Xilu, Chieftain of the Tuoba clan (277-286)
• Western Kshatrapas -
  1. Rudrasen II (256-278)
  2. Bhratadaman (278-295)

Europa

• Roman Empire - Probus, Roman Emperor (276-282)