List of state leaders in 312

311 state leaders - Events of AD 312 - AD 313 state leaders - State leaders by year

Asia

• China (Sixteen Kingdoms Period)
  • Western Jin Dynasty - Emperor Huai, Emperor of China (307 - 313)
  • Han Zhao - Lui Cong, Emperor of Han Zhao (310-318)
• Korea (Three Kingdoms Period)
  • Baekje - Biryu, King of Baekje (304–344)
  • Goguryeo - Micheon, King of Goguryeo (300–331)
  • Silla - Heulhae, King of Silla (310–356)

Europe

• Western Roman Empire
  • Licinius, Western Roman Emperor, actual rule in Thrace, Macedonia and Illyria (308–324)
    • Constantine I, Roman Emperor in Gaul, Spain and Britain (306–337)
  • Not Recognized: Maxentius, Roman Emperor in Italy and Africa (306–312)

Middle East

• Eastern Roman Empire
  • Maximinus Daia, Eastern Roman Emperor (308–313)
• Persia (Sassanid Dynasty)
  • Shapur II, Great King of Persia (310–379)

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