List of state leaders in 4

This is a list of heads of state, government leaders, and other rulers in the year 4.

Africa

• Kush – Natakamani, King of Kush (1 BC–AD 20)
• Mauretania – Juba II, King of Mauretania (25 BC–AD 23)

Asia

• China – Ping, Emperor of China (1 BC – AD 5)
• Japan (Legendary Emperors) – Suinin, Emperor of Japan (29 BC–AD 70)
• Korea –
  • Baekje – Onjo, King of Baekje (18 BC– AD 28)
  • Dongbuyeo – Daeso, King of Dongbuyeo (7 BC– AD 22)
  • Goguryeo – Yuri, King of Goguryeo (19 BC– AD 18)
  • Silla –
    1. Bak Hyeokgeose, King of Silla (57 BC– AD 4)
    2. Namhae, King of Silla (4–24)
• Kushan Empire – Heraios, King of Kush (1–30)

Europe

• Athens
  • Menneas, Archon of Athens (3–4)
  • Polyainus Marathonius, Archon of Athens (4–5)
• Atrebates – Tincomarus, King of the Atrebates (20 BC–8 AD)
• Bosporan Kingdom – Tiberius Julius Aspurgus, Roman client King of Bosporus (8 BC–38 AD)
• Catuvellauni – Tasciovanus, King of the Catuvellauni (20 BC–9 AD)
• Caucasian Iberia – Aderk, King of Caucasian Iberia (1–30)
• Ireland – Crimthann Nia Náir, High King of Ireland (8 BC–9 AD)
• Marcomanni – Marbod, King of the Marcomanni (9 BC–19 AD)
• Odrysian kingdom – Rhoemetalces I, Odrysian King of Thrace (12 BC–12 AD)
• Roman Empire (Principate – Julio-Claudian dynasty)
  • Augustus, Roman Emperor (27 BC–14 AD)
  • Sextus Aelius Catus, Consul (4)
  • Gaius Sentius Saturninus, Consul (4)
  • Gaius Clodius Licinus, Consul suffectus (4)
  • Gnaeus Sentius Saturninus, Consul suffectus (4)
  • Ægyptus Province – Quintus Ostorius Scapula, Roman Prefect (3–10)
  • Syria Province
    • Gaius Caesar, Roman Prefect (1 BC–4 AD)
    • Lucius Volusius Saturninus, Roman Prefect (4–5)

Middle East

• Armenia
  • Ariobarzanes, King of Armenia (2 BC-4)
  • Artavasdes III, King of Armenia (4-6)
• Cappadocia – Archelaus, King of Cappadocia (36 BC–17 AD)
• Characene – Attambalos II, King of Characene (17 BC–9 AD)
• Commagene – Antiochus III, King of Commagene (12 BC–17 AD)
• Judea
  • Herod Archelaus, Roman client Ethnarch of Judaea (4 BC–6 AD)
  • Herod Antipas, Tetrarch of Galilee (4 BC–39 AD)
  • Herod Philip I, Tetrarch of Batanaea (4 BC–34 AD)
  • Herod Philip II, Tetrarch of Ituraea and Trachonitis (4 BC–34 AD)
  • Hillel the Elder, Nasi of the Sanhedrin (31 BC–9 AD)
• Nabatea – Aretas IV Philopatris, King of Nabatea (9 BC–40 AD)
• Osroene – Abgar V of Edessa, King of Osroene (4 BC–7 AD, 13–50)
• Parthian Empire
  • Phraates V, Great King (Shah) of Parthia (2 BC–4 AD)
  • Musa, Great Queen (Shah) of Parthia (2 BC–4 AD)
  • Orodes III, Great King (Shah) of Parthia (4–6)
• Pontus – Pythodorida, Queen of Pontus (8 BC–38 AD)