List of state leaders in 315

This is a list of heads of state, government leaders, and other rulers in the year 315.

Asia

• Armenia - Tiridates III, King of Armenia (287–330)
• China (Sixteen Kingdoms Period)
  • Western Jin Dynasty - Emperor Min, Emperor of China (313 - 316)
  • Han Zhao - Liu 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
  • Constantine I, Roman Emperor (306–337)

Middle East

• Eastern Roman Empire
  • Licinius, Roman Emperor (308–324)
• Persia (Sassanid Dynasty) -
  • Shapur II, Great King of Persia (310–379)