List of state leaders in 31 BC

This is a list of heads of state, government leaders, and other rulers in the year 31 BC.

Asia

• China (Western Han Dynasty) -
  1. Emperor Cheng, Emperor of China (33 BC - 7 BC)
• Japan (legendary) - Sujin, Emperor of Japan (97 BC–30 BC)
• Korea -
  • Dongbuyeo - Geumwa, King of Dongbuyeo (48 BC– 7 BC)
  • Goguryeo - Dongmyeongseong, King of Goguryeo (37 BC – 19 BC)
  • Silla - Bak Hyeokgeose, King of Silla (57 BC– AD 4)

Europe

• Athens
  • Epicrates, Archon of Athens (32 BC–31 BC)
  • Polycleitus Phlyeus, Archon of Athens (31 BC–30 BC)
• Atrebates - Commius, King of the Atrebates (57 BC–20 BC)
• Bosporan Kingdom - Asander, King of Bosporus (47 BC–17 BC)
• Caucasian Iberia - Mirian II, King of Caucasian Iberia (32 BC–20 BC)
• Dacia
  • Deceneus, King of Dacia (44 BC–27 BC)
  • Comosicus, King of Dacia (44 BC–28 BC)
• Ireland - Lugaid Riab nDerg, High King of Ireland (33 BC–9 BC)
• Odrysian kingdom - Rhescuporis I, Odrysian King of Thrace (48 BC–13 BC)
• Roman Republic
  • Mark Antony, triumvir in the East (43 BC–31 BC)
  • Octavian, triumvir in the West (43 BC–14 AD)
  • Mark Antony, Consul (31 BC)
  • Octavian, Consul (31 BC)
  • Marcus Valerius Messalla Corvinus, Consul suffectus (31 BC)
  • Marcus Titius, Consul suffectus (31 BC)
  • Gneaus Pompeius, Consul suffectus (31 BC)
  • Marcus Aemilius Lepidus, Pontifex Maximus (44 BC–13 BC)
  • Syria Province - Quintus Didius, Roman Prefect (31 BC–29 BC)

Middle East

• Armenia - Artaxias II, King of Armenia (34 BC–20 BC)
• Cappadocia - Archelaus, King of Cappadocia (36 BC–17 AD)
• Characene - Attambelos I, King of Characene (47 BC–24 BC)
• Commagene - Mithridates II, King of Commagene (38 BC–20 BC)
• Ancient Egypt
  • Cleopatra VII, Pharaoh of Egypt (51 BC–30 BC)
  • Caesarion, Pharaoh of Egypt (44 BC–30 BC)
• Judea
  • Herod the Great, Roman client King of the Jews (40 BC–4 BC)
  • Ananelus, High Priest of Judea (37 BC–36 BC, 36 BC–30 BC)
  • Sh'maya, Nasi of the Sanhedrin (65 BC–31 BC)
  • Hillel the Elder, Nasi of the Sanhedrin (31 BC–9 AD)
• Nabatea - Malichus I, King of Nabatea (60 BC–30 BC)
• Osroene - Paqor, King of Osroene (34 BC–29 BC)
• Parthian Empire - Phraates IV, Emperor of Parthia (38 BC–2 BC)
• Pontus - Polemon I, King of Pontus (37 BC–8 BC)