List of state leaders in 56 BC
57 BC state leaders - Events of 56 BC - 55 BC state leaders - State leaders by year
Asia
Europe
Middle East
- Armenia - Tigranes II (the Great), King of Armenia (95 BC–55 BC)
- Cappadocia - Ariobarzanes II, King of Cappadocia (63 BC–51 BC)
- Characene - Tiraios II, King of Characene (79 BC–48 BC)
- Colchis - Aristarchus, King of Colchis (65 BC–47 BC)
- Commagene - Antiochus I, King of Commagene (70 BC–38 BC)
- Ancient Egypt - Berenice IV, Pharaoh of Egypt (58 BC–55 BC)
- Elymais - Kamnaskires IV, King of Elymais (62 BC–55 BC)
- Judea
- Nabatea - Malichus I, King of Nabatea (60 BC–30 BC)
- Osroene - Abgar II bar Abgar, King of Osroene (68 BC–52 BC)
- Parthian Empire
- Pontus - Pharnaces II, King of Pontus (63 BC–47 BC)