This is a list of heads of state, government leaders, and other rulers in the year 38 BC.
Europe [edit]
- Athens
- Atrebates - Commius, King of the Atrebates (57 BC–20 BC)
- Bosporan Kingdom - Asander, King of Bosporus (47 BC–17 BC)
- Caucasian Iberia - Parnavaz II, King of Caucasian Iberia (63 BC–32 BC)
- Dacia
- Ireland - Interregnum (40 BC–33 BC)
- Odrysian kingdom - Rhescuporis I, Odrysian King of Thrace (48 BC–13 BC)
- Roman Republic
- Marcus Aemilius Lepidus, triumvir in Africa Province (43 BC–36 BC)
- Mark Antony, triumvir in the East (43 BC–31 BC)
- Octavian, triumvir in the West (43 BC–14 AD)
- Appius Claudius Pulcher, Consul (38 BC)
- Gaius Norbanus Flaccus, Consul (38 BC)
- Lucius Cornelius Lentulus, Consul suffectus (38 BC)
- Lucius Marcius Philippus, Consul suffectus (38 BC)
- Marcus Aemilius Lepidus, Pontifex Maximus (44 BC–13 BC)
- Sextus Pompey, resistance in Sicilia Province, Corsica et Sardinia and Achaea Province (39 BC–36 BC)
- Syria Province
Middle East [edit]