List of state leaders in 56

AD 55 state leaders – Events of AD 56 – AD 57 state leaders – State leaders by year

Africa

• Kush – Amanitenmemide, King of Kush (c.50–62)

Asia

• China – Guangwu, Emperor of China (25–57)
• Japan (Legendary Emperors) – Suinin, Emperor of Japan (29 BC-AD 70)
• Korea (Three Kingdoms Period)
  • Baekje – Daru, King of Baekje (28–77)
  • Goguryeo – Taejo, King of Goguryeo (53–146)
  • Silla – Yuri, King of Silla (24–57)
• Kushan Empire – Kujula Kadphises, King of Kush (30–80)

Europe

• Athens – Conon, Archon of Athens (55–56)
• Bosporan Kingdom – Tiberius Julius Cotys I, Roman client King of Bosporus (46–63)
• Brigantes – Cartimandua, Queen of the Brigantes (43–69)
• Caucasian Iberia – Pharsman, King of Caucasian Iberia (50–58)
• Iceni – Prasutagus, King of the Iceni (47–60)
• Ireland
  • Fíachu Finnolach, High King of Ireland (39–56)
  • Elim mac Conrach, High King of Ireland (56–76)
• Regnenses – Tiberius Claudius Cogidubnus, King of the Britons (50–?) and King of the Regnenses (43–?)
• Roman Empire (Principate – Julio-Claudian dynasty)
  • Nero, Roman Emperor (54–68)
  • Quintus Volusius Saturninus, Consul (56)
  • Publis Cornelius Scipio, Consul (56)
  • Lucius Iunius Gallio Annaeanus, Consul suffectus (56)
  • Titus Cutius Ciltus, Consul suffectus (56)
  • Lucius Duvius Avitus, Consul suffectus (56)
  • Publius Clodius Thrasea Paetus, Consul suffectus (56)
  • Sextus Afranius Burrus, Praetorian prefect (50–62)
  • Roman Britain (Britannia Province) – Aulus Didius Gallus, Roman governor (52–57)
  • Ægyptus Province – Tiberius Claudius Balbilus, Roman Prefect (55–59)
  • Judea (Iudaea Province)
    • Antonius Felix, Roman Procurator (52–60)
    • Agrippa II, Tetrarch of Batanaea (53–100)
    • Shimon ben Gamliel, Nasi of the Sanhedrin (50–70)
    • Jonathan, High Priest of Judea (52–56)
    • Ishmael ben Fabus, High Priest of Judea (restored) (15–16, 56–62)
  • Syria Province – Gaius Ummidius Durmius Quadratus, Roman governor (50–60)
• Ulaid – Elim mac Conrach, King of the Ulaid (56–76)

Middle East

• Adiabene
  • Helena, Queen of Adiabene (30–58)
  • Monobaz II, King of Adiabene (55–mid 70s)
• Armenia – Tiridates I, King of Armenia (53, 54–58, 62–72)
• Armenia Minor – Aristobulus of Chalcis, King of Armenia Minor (55–72)
• Characene – Attambalos IV, King of Characene (54–65)
• Commagene – Antiochus IV, King of Commagene (38, 41–72)
• Nabatea – Malichus II, King of Nabatea (40–70)
• Osroene – Ma'nu V, King of Osroene (50–57)
• Parthian Empire
  • Sanabares, Great King (Shah) of Parthia (50–65)
  • Vologases I, Great King (Shah) of Parthia (51–78)
  • Vardanes II, Great King (Shah) of Parthia (55–58)
• Pontus – Polemon II, King of Pontus (38–64)
• Sophene – Sohaemus, King of Sophene (56–63)