List of state leaders in 240

239 state leaders – Events of 240 – 241 state leaders – State leaders by year

Africa

• Kush - unknown king (225-246)

Asia

• Chera - Yanaikat-sey Mantaran Cheral, King of Chera (201-241)
• Gupta Empire - Maharaja Sri-Gupta, King of the Gupta Empire (240-280)
• Iberia - Bakur, King of Iberia (234-249)
• Korea (Three Kingdoms Period)
  • Baekje - Goi, King of Baekje (234-286)
  • Gaya Confederacy - Geodeung, King of Gaya (199-259)
  • Goguryeo - Dongcheon, King of Goguryeo (227-248)
  • Silla - Jobun, King of Silla (230-247)
• Kushan Empire -
  1. Kanishka II, King of Kushan (c.226-240)
  2. Vashishka, King of Kushan (c.240-250)
• Persia - Ardashir I of Persia, King of Persia (224-241)
• Shu Han - Liu Shan, Emperor of Shu Han (223-263)
• Tuoba - Tuoba Liwei, Chieftain of the Tuoba clan (219-277)
• Wei - Cao Fang, Emperor of Wei (239-254)
• Wu - Sun Quan, Emperor of Wu (222-252)

Europe

• Roman Empire -
  • Gordian III, Roman Emperor (238-244)
  • Pretender: Sabinianus in Africa (240)