List of state leaders in 4 BC

See also
List of state leaders in 5 BC Events of 4 BC List of state leaders in 3 BC State leaders by year

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

Asia

Japan (legendary) - 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 - Bak Hyeokgeose, King of Silla (57 BC– AD 4)

Athens
- Apolexis Philocratous ex Oiou, Archon of Athens (5 BC–4 BC)
- Aristodemus, Archon of Athens (4 BC–3 BC)
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 - Arshak II, King of Caucasian Iberia (20 BC–AD 1)
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)
- Gaius Calvisius Sabinus, Consul (4 BC)
- Lucius Passienus Rufus, Consul (4 BC)
- Gaius Caelius Rufus, Consul suffectus (4 BC)
- Galus Sulpicius, Consul suffectus (4 BC)
- Ægyptus Province - Gaius Turranius, Roman Prefect (7 BC–4 BC)
- Syria Province
  - Publius Quinctilius Varus, Roman Prefect (7 BC–4 BC)
  - Lucius Calpurnius Piso, Roman Prefect (4 BC–1 BC)

Armenia - Tigranes IV with Erato, Joint Rulers of Armenia (10 BC-2 BC)
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 the Great, Roman client King of the Jews (40 BC–4 BC)
- 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)
- Matthias ben Theophilus, High Priest of Judea (5 BC–4 BC)
- Joazar ben Boethus, High Priest of Judea (4 BC, ?–6)
- Eleazar ben Boethus, High Priest of Judea (4 BC–3 BC)
- Hillel the Elder, Nasi of the Sanhedrin (31 BC–9 AD)
Nabatea - Aretas IV Philopatris, King of Nabatea (9 BC–40 AD)
Osroene
- Ma'nu III, King of Osroene (23 BC–4 BC)
- Abgar V of Edessa, King of Osroene (4 BC–7 AD, 13–50)
Parthian Empire - Phraates IV, Emperor of Parthia (38 BC–2 BC)
Pontus - Pythodorida, King of Pontus (8 BC–38 AD)