List of state leaders in 287

See also
List of state leaders in 286 Events of 287 List of state leaders in 288 State leaders by year

This is a list of heads of state, government leaders, and other rulers in the year 287.

Africa

Armenia - Sassanid Kingship (252-287)
- Tiridates III, King of Armenia (287–330)
China (Western Jin Dynasty) - Emperor Wu, Emperor of China (265–290)
Gupta Empire – Ghatotkacha, Gupta Emperor of India (280–319)
Japan (Ancient period) - Emperor Ōjin, emperor of Japan (c. 270-c. 310)
Korea (Three Kingdoms Period)
- Baekje - Chaekgye, King of Baekje (286–298)
- Goguryeo - Seocheon, King of Goguryeo (270–292)
- Silla - Yurye, King of Silla (284–298)

Ireland - Fiacha Sraibhtine, High King of Ireland (285–322)
Roman Empire
- Gaius Aurelius Valerius Diocletianus, Eastern Augustus (284–305)
- Marcus Aurelius Valerius Maximianus, Western Augustus (286–305)