List of state leaders in 66

This is a list of heads of state, government leaders, and other rulers in the year 66.

Africa

• Kush – Amanikhatashan, Queen of Kush (c.62–85)

Asia

• China – Ming, Emperor of China (57–75)
• Japan – 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 – Talhae, King of Silla (57–80)
• Kushan Empire – Kujula Kadphises, King of Kush (30–80)

Europe

• Athens – Demostratus, Archon of Athens (65–66)
• Bosporan Kingdom – Interregnum – Roman rule (63–68)
• Brigantes – Cartimandua, Queen of the Brigantes (43–69)
• Caucasian Iberia – Qartam, King of Caucasian Iberia (58–72)
• Ireland – 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)
  • Gaius Luccius Telesinus, Consul (66)
  • Gaius Suetonius Paulinus, Consul (66)
  • Marcus Annius Afrinus, Consul suffectus (66)
  • Gaius Paccius Africanus, Consul suffectus (66)
  • Marcus Arruntius Aquila, Consul suffectus (66)
  • Marcus Vettius Bolanus, Consul suffectus (66)
  • Tigellinus, Praetorian prefect (62–68)
  • Nymphidius Sabinus, Praetorian prefect (65–68)
  • Roman Britain (Britannia Province) – Marcus Trebellius Maximus, Roman governor (63–69)
  • Ægyptus Province – Tiberius Julius Alexander, Roman Prefect (66–69)
  • Judea (Iudaea Province)
    • Gessius Florus, Roman Procurator (64–66)
    • Marcus Antonius Julianus, Roman Procurator (66–70)
    • Agrippa II, Tetrarch of Batanaea (53–100)
    • Aristobulus, Tetrarch of Chalcis (57–92)
    • Shimon ben Gamliel, Nasi of the Sanhedrin (50–70)
    • Mattathias ben Theophilus, High Priest of Judea (65–66)
  • Syria Province – Cestius Gallus, Roman governor (63–67)
• Ulaid – Elim mac Conrach, King of the Ulaid (56–76)

Middle East

• Adiabene – Monobaz II, King of Adiabene (55–mid 70s)
• Armenia - Tiridates I, King of Armenia (52–58, 62–66 & 66–88)
• Armenia Minor – Aristobulus of Chalcis, King of Armenia Minor (55–72)
• Characene – Attambalos V, King of Characene (64–74)
• Commagene – Antiochus IV, King of Commagene (38, 41–72)
• Nabatea – Malichus II, King of Nabatea (40–70)
• Osroene – Ma'nu VI, King of Osroene (57–71)
• Parthian Empire – Vologases I, Great King (Shah) of Parthia (51–78)