thumb|The [[War of Actium lasted from 32 BC to 30 BC, ending the Roman Republic.]]
The 30s BC were the period 39 BC – 30 BC.
Significant people
- Mark Antony, Roman politician and general (83–30 BC)
- Pharaoh Cleopatra VII of Egypt (lived 70/69–30 BC, reigned 51–30 BC)
- Gaius Julius Caesar Octavianus, known in English as Octavian, Roman politician and general (63 BC–AD 14)
- Pharaoh Ptolemy XV Caesarion (lived 47–30 BC, reigned 44–30 BC)