List of state leaders in 251

This is a list of heads of state, government leaders, and other rulers in the year 251.

Africa

• Kush - Tegerideamani II, King of Kush (246-266?)

Asia

• Armenia - Tiridates II, King of Armenia (217-252)
• Bactria and Gandhara - Peroz I, Kushanshah (c.250-265)
• Chera - Ilamcheral Irumporai, King of Chera (241-257)
• China (Three Kingdoms)
  • Shu Han - Liu Shan, Emperor of Shu Han (223-263)
  • Wei - Cao Fang, Emperor of Wei (239-254)
  • Wu - Sun Quan, Emperor of Wu (222-252)
• Gupta Empire - Maharaja Sri-Gupta, King of the Gupta Empire (240-280)
• Korea (Three Kingdoms Period)
  • Baekje - Goi, King of Baekje (234-286)
  • Gaya Confederacy - Geodeung, King of Gaya (199-259)
  • Goguryeo - Jungcheon, King of Goguryeo (248-270)
  • Silla - Cheomhae, King of Silla (247-261)
• Iberia - Mithridates II Mihrdat, King of Iberia (249-265)
• Kushan Empire - ?
• Persia - Shapur I of Persia, King of Persia (241-272)
• Tuoba - Tuoba Liwei, Chieftain of the Tuoba clan (219-277)

Europe

• Roman Empire -
  • Decius, Roman Emperor (249-251)
  • Herennius Etruscus, Roman Emperor (251)
  • Gallus, Roman Emperor (251-253)
  • Hostilian, Roman Emperor (251)
  • Volusianus, Roman Emperor (251-253)
  • Pretender: Gaius Julius Priscus in the East (249-252)