List of state leaders in 337

This is a list of heads of state, government leaders, and other rulers in the year 337.

Africa

• Axum – Ezana, King of Axum (c. 333-c. 356)

Asia

• China (Sixteen Kingdoms Period)
  • Eastern Jin Dynasty - Emperor Cheng, Emperor of China (325–342)
  • Later Zhao - Shi Hu, Emperor of Later Zhao (334-349)
  • Cheng Han - Li Qi, Emperor of Cheng Han (334-338)
  • Former Liang - Zhang Jun, Emperor of Former Liang (324-346)
  • Former Yan - Murong Huang, Prince of Yan (337-348)

• Gupta Empire – Samudragupta, Gupta Emperor of India (335–380)
• Japan (Ancient period) - Emperor Nintoku, emperor of Japan (c. 313-c. 399 traditional dates)
• Korea (Three Kingdoms Period)
  • Baekje - Biryu, King of Baekje (304–344)
  • Goguryeo - Gogugwon, King of Goguryeo (331–371)
  • Silla - Heulhae, King of Silla (310–356)
• Kushan Empire – Shaka I, Emperor of the Kushans (c. 325–345)
• Pallava - Simha Varman I, King of Pallava (315–345)

Europe

• Western Roman Empire
  • Constantine I, Roman Emperor (306–337)
  • Constans, Western Roman Emperor (337–350)
  • Constantine II, Western Roman Emperor (337–340)

Middle East

• Armenia - Khosrov III, King of Armenia (c. 330-339)
• Iberia - Mirian III, King of Iberia (c. 284-361)
• Eastern Roman Empire
  • Constantine I, Roman Emperor (306–337)
  • Constantius II, Eastern Roman Emperor (337–361)
• Persia (Sassanid Dynasty) - Shapur II, Great King of Persia (310–379)