List of state leaders in 156

AD 155 state leaders – Events of AD 156 – AD 157 state leaders – State leaders by year

Africa

• Kush – Tarekeniwal, King of Kush (155–170)

Asia

• China – Huan, Emperor of China (146–168)
• Korea (Three Kingdoms Period)
  • Baekje – Gaeru, King of Baekje (128–166)
  • Goguryeo – Chadae, King of Goguryeo (146–165)
  • Silla – Adalla, King of Silla (154–184)

Europe

• Armenia – Sohaemus, King of Armenia (140–161, 163–?)
• Athens
  • Popillius Theotimus Sounieus, Archon of Athens (155–156)
  • Aelius Gelus II, Archon of Athens (156–157)
• Bosporan Kingdom – Tiberius Julius Eupator, Roman client King of Bosporus (153–174)
• Caucasian Iberia – Pharsman III, King of Caucasian Iberia (145–185)
• Ireland – Conn of the Hundred Battles, High King of Ireland (122–157)
• Roman Empire (Principate – Nervan-Antonian dynasty)
  • Antoninus Pius, Roman Emperor (138–161)
  • Marcus Caeionius Silvanus, Consul (156)
  • Gaius Serius Augurinus, Consul (156)
  • Aulus Avillius Urinatius Quadratus, Consul suffectus (156)
  • Strabo Aemilianus, Consul suffectus (156)
  • Quintus Canusius Praenestinus, Consul suffectus (156)
  • Gaius Lusius Sparsus, Consul suffectus (156)
  • Marcus Gavius Maximus, Praetorian prefect (136–156)
  • Gaius Tattius Maximus, Praetorian prefect (156–159)
  • Roman Britain (Britannia Province) – Gnaeus Julius Verus, Roman governor (154–158)
  • Ægyptus Province – Marcus Sempronius Liberalis, Roman Prefect (154–159)
  • Syria Palaestina Province – Shimon ben Gamliel II, Nasi of the Sanhedrin (142–165)
• Ulaid – Tipraiti Tireach, King of the Ulaid (136–187)

Middle East

• Characene – Orabazes II, King of Characene (150–165)
• Osroene – Ma'nu VIII, King of Osroene (139–163, 165–167)
• Parthian Empire – Vologases IV, Great King (Shah) of Parthia (147–191)