List of state leaders in 63
AD 62 state leaders – Events of AD 63 – AD 64 state leaders – State leaders by year
Africa
Asia
Europe
Middle East
- Adiabene – Monobaz II, King of Adiabene (55–mid 70s)
- Armenia – Tiridates I, King of Armenia (Parthian then Roman protectorate) (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 VI, King of Osroene (57–71)
- Parthian Empire
- Pontus – Polemon II, King of Pontus (38–64)
- Sophene – Sohaemus, King of Sophene (56–63)